{"id":12281,"date":"2026-07-06T11:32:22","date_gmt":"2026-07-06T09:32:22","guid":{"rendered":"https:\/\/feengrotten.admo.cloud\/grottoneum-stazione-7-allume-e-vetriolo\/"},"modified":"2026-08-04T08:53:34","modified_gmt":"2026-08-04T06:53:34","slug":"grottoneum-stazione-7-allume-e-vetriolo","status":"publish","type":"page","link":"https:\/\/feengrotten.admo.cloud\/it\/grottoneum\/grottoneum-stazione-7-allume-e-vetriolo\/","title":{"rendered":"Grottoneum Stazione 7 \u2013 Allume e vetriolo"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"12281\" class=\"elementor elementor-12281 elementor-11874\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc20b14 e-con-full e-flex e-con e-parent\" data-id=\"cc20b14\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;fixed&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-e3e4c9b e-con-full e-flex e-con e-child\" data-id=\"e3e4c9b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<a class=\"elementor-element elementor-element-7a0e76a e-con-full e-flex e-con e-child\" data-id=\"7a0e76a\" data-element_type=\"container\" data-e-type=\"container\" href=\"https:\/\/feengrotten.admo.cloud\/stationsuebersichtseite-grottoneum\/\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55e3231 icon__wrapper elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"55e3231\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"35\" height=\"35\" viewBox=\"0 0 35 35\"><g id=\"Gruppe_3170\" data-name=\"Gruppe 3170\" transform=\"translate(-16 -24)\"><g id=\"Rechteck_2623\" data-name=\"Rechteck 2623\" transform=\"translate(16 24)\" fill=\"#fff\" stroke=\"#f49019\" stroke-width=\"2\"><rect width=\"35\" height=\"35\" rx=\"17.5\" stroke=\"none\"><\/rect><rect x=\"1\" y=\"1\" width=\"33\" height=\"33\" rx=\"16.5\" fill=\"none\"><\/rect><\/g><g id=\"arrow-down\" transform=\"translate(75.381 -4.314) rotate(90)\"><g id=\"Gruppe_3166\" data-name=\"Gruppe 3166\" transform=\"translate(40 32)\"><path id=\"Pfad_864\" data-name=\"Pfad 864\" d=\"M40,104l5.814,5.814L51.628,104\" transform=\"translate(-40 -96.525)\" fill=\"none\" stroke=\"#000\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\"><\/path><\/g><\/g><\/g><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af57bd8 elementor-widget elementor-widget-text-editor\" data-id=\"af57bd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Panoramica<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"elementor-element elementor-element-cff91db btn-icon-small elementor-widget elementor-widget-button\" data-id=\"cff91db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/feengrotten.admo.cloud\/it\/grottoneum\/grottoneum-stazione-8-infiltrazione-dacqua\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"11.428\" height=\"19.996\" viewBox=\"0 0 11.428 19.996\"><path id=\"icon_right\" d=\"M.4,19.6a1.524,1.524,0,0,1,.082-2.14L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.517,1.517,0,0,1,0,2.053l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 -0.004)\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Stazione 8<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3265205 e-con-full e-flex e-con e-parent\" data-id=\"3265205\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-c2d5841 e-con-full e-flex e-con e-child\" data-id=\"c2d5841\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5eb2eae e-con-full e-flex e-con e-child\" data-id=\"5eb2eae\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-d1a40da e-con-full e-flex e-con e-child\" data-id=\"d1a40da\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-3d7ea27 e-con-full e-flex e-con e-child\" data-id=\"3d7ea27\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57bd4b2 elementor-widget elementor-widget-text-editor\" data-id=\"57bd4b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>7<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e1498f elementor-widget elementor-widget-heading\" data-id=\"4e1498f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><font face=\"Arial, sans-serif\"><span style=\"font-size: 18.6667px\">A cosa servivano l'allume e il vetriolo?<\/span><\/font><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5843ee1 e-con-full e-flex e-con e-child\" data-id=\"5843ee1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1cc7186 elementor-widget elementor-widget-text-editor\" data-id=\"1cc7186\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Per secoli, i farmacisti itineranti (Buckelapotheker) hanno caratterizzato il commercio di rimedi naturali nella Selva di Turingia. Con erbe curative, unguenti e tinture, le cosiddette &#8220;olit\u00e4ten&#8221;, viaggiavano a piedi attraverso gran parte dell&#8217;Europa, diffondendo la conoscenza delle erboriste locali ben oltre i confini della regione. Un ruolo particolare era svolto dall&#8217;allume, un minerale versatile utilizzato, tra le altre cose, in medicina, nella produzione della carta, nella lavorazione della pelle e nella tintura dei tessuti.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22b26f4 e-con-full e-flex e-con e-parent\" data-id=\"22b26f4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b20df59 e-con-full e-flex e-con e-parent\" data-id=\"b20df59\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-23ddd58 e-con-full e-flex e-con e-child\" data-id=\"23ddd58\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-b549e4c e-con-full e-flex e-con e-child\" data-id=\"b549e4c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a923791 elementor-widget elementor-widget-n-accordion\" data-id=\"a923791\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1770\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1770\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Allume \u2013 Funzionamento e utilizzo  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1770\" class=\"elementor-element elementor-element-1324e84 e-con-full e-flex e-con e-child\" data-id=\"1324e84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1770\" class=\"elementor-element elementor-element-0149406 e-flex e-con-boxed e-con e-child\" data-id=\"0149406\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d8be51 elementor-widget elementor-widget-text-editor\" data-id=\"5d8be51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>L&#8217;allume \u00e8 un sale doppio dello zolfo. Fino a 100 anni fa si trovava in quasi ogni casa ed era utilizzato in molti mestieri: nella concia, in medicina, come conservante per il legno, nella produzione di colori, nell&#8217;incollaggio, nella mordenzatura, nel candeggio e nella conservazione.  <\/strong><\/p>\n<p>Particolarmente versatile era l&#8217;allume di potassio e alluminio, in breve allume potassico, poich\u00e9 in applicazioni importanti non causa scolorimenti come l&#8217;allume di ferro o di cromo. <br>In soluzione acquosa, l&#8217;allume potassico si dissocia completamente in ioni potassio, alluminio e solfato.<\/p>\n<p> <\/p>\n<p>  K<sub>2<\/sub>Al<sub>2<\/sub>(SO<sub>4<\/sub>)<sub>4<\/sub> + 8H<sub>2<\/sub>O &lt;\u2014-&gt; 2K<sup>+<\/sup> + 2AL<sup>3+<\/sup> + 8(OH)<sup>\u2013<\/sup> + 8H<sup>+<\/sup> + 4SO<sub>4<\/sub><sup>2-<\/sup><\/p>\n<p>Sia gli ioni alluminio che quelli solfato erano di importanza pratica. Prima che l&#8217;acido solforico potesse essere prodotto su scala industriale, l&#8217;allume era la fonte principale di ioni solfato. Una soluzione acquosa di allume rappresenta in un certo senso un acido solforico temporaneo; da qui deriva la sua propriet\u00e0 astringente, ovvero la sua azione contraente e solidificante sulle proteine. Inoltre, gli ioni solfato ossidano alcuni coloranti non autentici, trasformandoli in forme incolori, il che comporta lo sbiadimento. Infine, gli ioni solfato hanno un effetto battericida e germicida. Queste tre propriet\u00e0 si sovrapponevano nei singoli casi d&#8217;uso.      <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f1b9cd elementor-widget elementor-widget-n-accordion\" data-id=\"2f1b9cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-4930\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-4930\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Il farmacista itinerante <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4930\" class=\"elementor-element elementor-element-a900690 e-con-full e-flex e-con e-child\" data-id=\"a900690\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4930\" class=\"elementor-element elementor-element-a7f41e1 e-flex e-con-boxed e-con e-child\" data-id=\"a7f41e1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26c5265 elementor-widget elementor-widget-text-editor\" data-id=\"26c5265\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Gi\u00e0 nel Medioevo i mercanti itineranti venivano chiamati \u201cBuckelkr\u00e4mer\u201d (venditori con la gerla), perch\u00e9 portavano sempre con s\u00e9 la merce su una struttura di legno sulla schiena (Buckel), il cosiddetto \u201cReff\u201d, spostandosi cos\u00ec di luogo in luogo. <\/strong><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"78\" data-end=\"379\"><span style=\"font-size: 17.23px;\">Per secoli, le erboriste della Selva di Turingia hanno raccolto piante medicinali locali trasformandole in rimedi curativi, le cosiddette Olit\u00e4ten (dal latino oleum \u2013 olio).<\/span><\/p>\n<p>All&#8217;epoca veniva definito Olit\u00e4t tutto ci\u00f2 che la gente comune usava come rimedio naturale, perch\u00e9 non poteva permettersi l&#8217;assistenza medica o perch\u00e9 i medici non volevano prescrivere sostanze come l&#8217;aloe o l&#8217;oppio.<\/p>\n<p>Confezionati in brocche di argilla, bottiglie di vetro e scatole di legno truciolato, gli unguenti, i preparati erboristici e le tinture, ma anche i cristalli di allume della miniera \u201cJeremias Gl\u00fcck\u201d, venivano portati nel mondo dai venditori itineranti. <\/p>\n<p>Dalla Guerra dei Trent&#8217;anni fino al XX secolo, trasportavano la merce a piedi in viaggi di diverse settimane. La vendevano principalmente alle case principesche e reali d&#8217;Europa. In questo contesto, singole famiglie erano responsabili di determinate aree di vendita, riuscendo cos\u00ec a costruire una sorta di monopolio.  <\/p>\n<p>Solo nel 1780, circa 800 farmacisti itineranti erano in viaggio tra la Danimarca e l&#8217;Ungheria, cos\u00ec come tra la Polonia e la Francia. I prodotti venivano spediti anche oltreoceano attraverso i porti olandesi. <\/p>\n<p>Sebbene in alcune zone della Germania fossero state emanate leggi contro i venditori ambulanti e quindi anche contro i farmacisti itineranti, che vietavano persino di dar loro alloggio, nel XVIII secolo il commercio di Olit\u00e4ten in Turingia visse un periodo di massimo splendore.<\/p>\n<p>Vestiti con tricorno marrone, giustacuore marrone, gilet rosso, fazzoletto da collo bianco, pantaloni di pelle marrone e ghette, non venivano pi\u00f9 chiamati \u201cplebe senza padrone\u201d, ma \u201claboranti della Turingia lodati da Dio\u201d. Godevano di grande prestigio e persino medici e chirurghi apprezzavano e seguivano i loro consigli. Furono cos\u00ec i precursori dei rappresentanti dell&#8217;industria dei liquori e farmaceutica.  <\/p>\n<p>Dopo la Seconda Guerra Mondiale, le linee di distribuzione non poterono pi\u00f9 essere mantenute. Molti membri delle dinastie di farmacisti itineranti trovarono lavoro come dipendenti della VEB Pharmazeutisch-Chemische Fabrik Meuselbach, l&#8217;odierna Krewel Meuselbach GmbH. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58bb394 elementor-widget elementor-widget-n-accordion\" data-id=\"58bb394\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-9300\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-9300\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Medicina <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-9300\" class=\"elementor-element elementor-element-705ee7d e-con-full e-flex e-con e-child\" data-id=\"705ee7d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-9300\" class=\"elementor-element elementor-element-9083f10 e-flex e-con-boxed e-con e-child\" data-id=\"9083f10\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e91578 elementor-widget elementor-widget-text-editor\" data-id=\"5e91578\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>In passato, l&#8217;allume era considerato un vero rimedio miracoloso in medicina. La polvere veniva usata contro ogni tipo di infiammazione, eczema ed eruzione cutanea trasudante, ma anche per la contraccezione, a volte semplicemente portandola con s\u00e9 in un sacchetto di stoffa. <\/strong><\/p>\n<p>Si diceva che aiutasse persino contro ansie e sensi di colpa, e in Oriente l&#8217;alunite funge da pietra protettiva contro possessioni e incantesimi.<\/p>\n<p>Nel 1679, Lonicerus raccomandava di mescolare la polvere con lombrichi e macinarla bene per ottenere un unguento contro i tumori cancerosi. Inoltre, l&#8217;allume doveva aiutare contro prurito, croste, fistole, \u201ccarne putrida nelle ferite\u201d, nonch\u00e9 contro pidocchi e lendini. <\/p>\n<p>L&#8217;allume ha un effetto astringente, cio\u00e8 contraente, e disinfettante. Per questo motivo pu\u00f2 essere usato per fermare le emorragie e per trattare le emorroidi con bagni all&#8217;allume. Grazie alla sua azione antibatterica, veniva gi\u00e0 utilizzato dai Romani come deodorante. Sono noti utilizzi contro mani e piedi sudati, flussi sanguigni lenti, secrezioni di muco persistenti, diarree e coliche da piombo.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c240bc elementor-widget elementor-widget-n-accordion\" data-id=\"7c240bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1300\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1300\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Tintura dei tessuti e produzione di colori <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1300\" class=\"elementor-element elementor-element-855277f e-con-full e-flex e-con e-child\" data-id=\"855277f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1300\" class=\"elementor-element elementor-element-c3b1f76 e-flex e-con-boxed e-con e-child\" data-id=\"c3b1f76\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46360ee elementor-widget elementor-widget-text-editor\" data-id=\"46360ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>I tintori sfruttano l&#8217;effetto mordente dell&#8217;allume per poter tingere i tessuti in modo permanente. Nella mordenzatura e nella tintura delle fibre tessili, gli ioni alluminio fungono da mediatori chimici tra la fibra naturale e i coloranti attraverso la formazione di composti complessi. <\/strong><\/p>\n<p>I tessuti vengono fatti bollire in una soluzione di allume prima di essere imbevuti di estratti acquosi di piante tintorie.<\/p>\n<p>Gi\u00e0 i Romani tingevano i tessuti in questo modo, realizzando cos\u00ec la tipica toga dai colori vivaci.<\/p>\n<p>Come piante tintorie utilizzavano la radice di robbia, la robbia dei tintori e il legno di campeggio.<\/p>\n<p>Nella produzione di colori da piante naturali, l&#8217;allume viene usato per mescolare i pigmenti colorati a un legante. In una soluzione acquosa con potassa e soda caustica, l&#8217;allume si trasforma in finissimi cristalli bianchi di allumina, ai quali si legano i pigmenti naturali. Si ottengono cos\u00ec masse pigmentate stendibili per pitture e colori coprenti.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67527a1 elementor-widget elementor-widget-n-accordion\" data-id=\"67527a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1080\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1080\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Produzione della carta <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1080\" class=\"elementor-element elementor-element-3b1b019 e-con-full e-flex e-con e-child\" data-id=\"3b1b019\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1080\" class=\"elementor-element elementor-element-95d2dcb e-flex e-con-boxed e-con e-child\" data-id=\"95d2dcb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9772341 elementor-widget elementor-widget-text-editor\" data-id=\"9772341\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Fino al XIX secolo, la carta veniva prodotta da stracci e piante fibrose. In quel periodo, l&#8217;allume serviva per sbiancare e consolidare questi componenti della carta.  <\/strong><\/p>\n<p>Con l&#8217;invenzione del processo a pasta legno da parte di J. C. Schiffer nel 1765, furono gettate le basi per la produzione di massa della carta dalla cellulosa del legno. Questa carta, se non trattata, agisce come carta assorbente ed \u00e8 inadatta alla scrittura o alla stampa. <\/p>\n<p>L&#8217;allume idrorepellente viene aggiunto alla carta di cellulosa con sapone di resina abietica per evitare che l&#8217;inchiostro si spanda. Tuttavia, gli ioni solfato introdotti con questo processo portano alla cosiddetta \u201cmorte dei libri\u201d, perch\u00e9 l&#8217;acidit\u00e0 della carta fa degradare libri e documenti negli archivi. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-972e872 elementor-widget elementor-widget-n-accordion\" data-id=\"972e872\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1580\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1580\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Ignifugo, estinguente e protezione dagli agenti atmosferici <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1580\" class=\"elementor-element elementor-element-bc14d08 e-con-full e-flex e-con e-child\" data-id=\"bc14d08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1580\" class=\"elementor-element elementor-element-8966de4 e-flex e-con-boxed e-con e-child\" data-id=\"8966de4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-650f58a elementor-widget elementor-widget-text-editor\" data-id=\"650f58a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Reperti provenienti dall&#8217;Egitto dimostrano che il legno veniva gi\u00e0 impregnato con allume come ritardante di fiamma intorno al 450 a.C. Anche i Romani lo usavano a questo scopo mescolato con l&#8217;aceto.   <\/strong><\/p>\n<p>Nel Medioevo, le capriate dei tetti e le strutture difensive in legno venivano trattate con sali di allume contro il deterioramento e l&#8217;attacco di parassiti animali, ma soprattutto come protezione antincendio preventiva. Anche gli armaioli immergevano le parti in legno delle armi nell&#8217;allume per renderle pi\u00f9 resistenti al fuoco. <\/p>\n<p>Polveri estinguenti con l&#8217;aggiunta di allume erano in uso nel XVIII secolo e gi\u00e0 nell&#8217;83 a.C. si spegnevano i fuochi con soluzioni di allume. <\/p>\n<p>L&#8217;allume costituisce una protezione limitata contro le fiamme, in quanto la sua quota relativamente alta di acqua di cristallizzazione viene rilasciata durante il riscaldamento e inibisce l&#8217;accensione del legno: il legno trattato con allume diventa umido quando viene riscaldato!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4723003 elementor-widget elementor-widget-n-accordion\" data-id=\"4723003\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7450\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7450\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Conciatore al bianco <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7450\" class=\"elementor-element elementor-element-912afe4 e-con-full e-flex e-con e-child\" data-id=\"912afe4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7450\" class=\"elementor-element elementor-element-cdf528e e-flex e-con-boxed e-con e-child\" data-id=\"cdf528e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-979dfe8 elementor-widget elementor-widget-text-editor\" data-id=\"979dfe8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nel farsi della pelle \/ <br\/>il puzzo \u00e8 la cosa pi\u00f9 bella. \/ <br\/>Calce, allume, sale, farina, arsenico, \/ <br\/>la rendon bianca e splendida davvero. \/ <br\/>Tuorlo d&#8217;uovo, mallo, sterco di cane \/ <br\/>le donano una qualit\u00e0 speciale. \/ <br\/>Perci\u00f2 \u00e8 un gran piacere \/ <br\/>un bacio sul guanto dare.   <\/p>\n<p>Questo detto dei conciatori descrive le sostanze ausiliarie necessarie per la concia al bianco o concia all&#8217;allume.<\/p>\n<p>La concia avviene tramite minerali come l&#8217;allume e il sale da cucina e produce una pelle chiara, quasi bianca \u2013 da qui il nome concia al bianco. La concia al bianco viene utilizzata soprattutto per pelli pi\u00f9 fini e sottili di vitello, pecora e capra. Dopo aver pulito le pelli dai resti di sangue, carne e grasso, i conciatori strofinano l&#8217;allume umido nella pelle lavata seguendo questo antichissimo procedimento. Le fibre proteiche si contraggono, si intrecciano e si consolidano.   <\/p>\n<p>Una volta asciutta, la pelle \u00e8 rigida e dura e deve essere resa \u201cmorbida\u201d tramite lavorazione meccanica, ingrassaggio e tintura. La concia non \u00e8 permanente e pu\u00f2 essere lavata via. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d0fb4c elementor-widget elementor-widget-n-accordion\" data-id=\"1d0fb4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3040\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-3040\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Viticoltura e agricoltura <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_up\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(0 11.427) rotate(-90)\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"11.427\" viewBox=\"0 0 20 11.427\"><path id=\"icon_down\" d=\"M.4,19.6A1.524,1.524,0,0,1,.482,17.46L7.951,10,.482,2.534A1.524,1.524,0,0,1,.4.4,1.526,1.526,0,0,1,2.535.482L10.942,8.89l.044.045.041.038a1.388,1.388,0,0,1,.4,1.026,1.393,1.393,0,0,1-.4,1.027l-.041.038-.044.045-8.407,8.4A1.622,1.622,0,0,1,1.391,20,1.393,1.393,0,0,1,.4,19.6Z\" transform=\"translate(20) rotate(90)\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3040\" class=\"elementor-element elementor-element-da1ae66 e-con-full e-flex e-con e-child\" data-id=\"da1ae66\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3040\" class=\"elementor-element elementor-element-8ba905c e-flex e-con-boxed e-con e-child\" data-id=\"8ba905c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-692a695 elementor-widget elementor-widget-text-editor\" data-id=\"692a695\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>In agricoltura e specialmente nella viticoltura vengono utilizzati l&#8217;allume e i suoi sottoprodotti.<\/strong><\/p>\n<p>Afidi e bruchi sugli arbusti di bacche vengono uccisi versandovi sopra una soluzione calda di allume. L&#8217;allume viene impiegato anche contro la fillossera nella viticoltura. Soprattutto il vetriolo di rame, che si forma quando l&#8217;acido solforico lavato via dallo scisto alluminoso incontra il rame, \u00e8 un ricercato mezzo di contrasto contro la fillossera.  <\/p>\n<p>Per prevenire la ruggine (pietra di Galizia) nel frumento, questo viene cosparso di vetriolo di rame.<\/p>\n<p>Nel XIX secolo, in alcuni anni la domanda di vetriolo di rame superava di gran lunga l&#8217;offerta, in altri veniva esportato in grandi quantit\u00e0.<\/p>\n<p>Aggiungendo allume all&#8217;acqua per innaffiare, le ombrelle dei fiori delle ortensie sbocciano in una colorazione blu o viola.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8e71224 e-con-full e-flex e-con e-child\" data-id=\"8e71224\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Panoramica Stazione 8 7 A cosa servivano l&#8217;allume e il vetriolo? Per secoli, i farmacisti itineranti (Buckelapotheker) hanno caratterizzato il commercio di rimedi naturali nella Selva di Turingia. Con erbe curative, unguenti e tinture, le cosiddette &#8220;olit\u00e4ten&#8221;, viaggiavano a piedi attraverso gran parte dell&#8217;Europa, diffondendo la conoscenza delle erboriste locali ben oltre i confini della [&hellip;]<\/p>\n","protected":false},"author":137,"featured_media":0,"parent":13307,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-12281","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/pages\/12281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/users\/137"}],"replies":[{"embeddable":true,"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/comments?post=12281"}],"version-history":[{"count":0,"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/pages\/12281\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/pages\/13307"}],"wp:attachment":[{"href":"https:\/\/feengrotten.admo.cloud\/it\/wp-json\/wp\/v2\/media?parent=12281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}