

{"id":3451,"date":"2013-04-12T21:23:31","date_gmt":"2013-04-12T20:23:31","guid":{"rendered":"http:\/\/dominikmatus.cz\/?p=3451"},"modified":"2015-05-19T07:37:36","modified_gmt":"2015-05-19T06:37:36","slug":"dubenkovy-inkoust","status":"publish","type":"post","link":"https:\/\/dominikmatus.cz\/cs\/2013\/04\/12\/dubenkovy-inkoust\/","title":{"rendered":"Dub\u011bnkov\u00fd inkoust"},"content":{"rendered":"<p>R\u00e1d zkou\u0161\u00edm r\u016fzn\u00e9 pokusy a&nbsp;postupy, a&nbsp;del\u0161\u00ed dobu jsem m\u011bl nachystan\u00e9 dub\u011bnky k&nbsp;v\u00fdrob\u011b inkoustu, av\u0161ak k&nbsp;v\u00fdrob\u011b jsem se dostal a\u017e nyn\u00ed. Tento \u010derno-fialov\u00fd inkoust pou\u017e\u00edv\u00e1n ji\u017e ve st\u0159edov\u011bku, nahradil dlouho pou\u017e\u00edvan\u00fd inkoust ze saz\u00ed. V\u00e1\u017ee se s&nbsp;celul\u00f3zov\u00fdmi nebo kolagenov\u00fdmi vl\u00e1kny, tak\u017ee se nest\u00edr\u00e1, ale postupem \u010dasu bledne do s\u00e9piov\u00e9 barvy a&nbsp;naru\u0161uje podklad, kv\u016fli sv\u00e9 kyselosti. Jeho hlavn\u00ed slo\u017ekou je suspenze.<\/p>\n<p><!--more--><\/p>\n<h3>Ingredience<\/h3>\n<h4>Dub\u011bnky<\/h4>\n<p>V\u00fdr\u016fstky (h\u00e1lky) vyskytuj\u00edc\u00ed se v\u011bt\u0161inou na listech, v\u011btv\u00edch nebo \u017ealudech dub\u016f.\u00a0Obsahuj\u00ed velik\u00fd obsah t\u0159\u00edslovin (tanin\u016f) a&nbsp;v\u00e1zan\u00e9 kyseliny gallov\u00e9, kter\u00e1 je st\u011b\u017eejn\u00ed pro v\u00fdrobu inkoustu. Nejv\u011bt\u0161\u00ed obsah kyseliny gallov\u00e9 maj\u00ed dub\u011bnky rostouc\u00ed na \u017ealudech tureck\u00e9ho dubu. Naleznete je v\u0161ude kde rostou duby. Podle n\u011bkter\u00fdch recept\u016f jsou lep\u0161\u00ed mal\u00e9 a&nbsp;t\u011b\u017ek\u00e9 dub\u011bnky.<\/p>\n<h4>S\u00edran \u017eeleznat\u00fd (FeSO4)<\/h4>\n<p>Zdroj iont\u016f \u017eeleza.<\/p>\n<h4>Arabsk\u00e1 guma<\/h4>\n<p>Prysky\u0159ice rozpustn\u00e1 ve vod\u011b. Zabra\u0148uje usazov\u00e1n\u00ed suspenze a&nbsp;rychl\u00e9mu vsakov\u00e1n\u00ed (tenk\u00e1 linka). Uleh\u010duje st\u00e9k\u00e1n\u00ed inkoustu z&nbsp;pera. \u010c\u00e1ste\u010dn\u011b zamezuje lept\u00e1n\u00ed podkladu, proto\u017ee obal\u00ed jeho vl\u00e1kna (celul\u00f3za, kolagen).<\/p>\n<h4>Destilovan\u00e1 voda<\/h4>\n<p>Je d\u016fle\u017eit\u00e9 pou\u017e\u00edt destilovanou vodu, proto\u017ee b\u011b\u017en\u00e1 voda obsahuje l\u00e1tky (chloridy, v\u00e1pn\u00edk, kovy), kter\u00e9 mohou ovlivnit kvalitu inkoustu. V&nbsp;minulosti se pou\u017e\u00edvala de\u0161\u0165ov\u00e1 voda, v\u00edno nebo siln\u00e9 pivo.<\/p>\n<h3>Ostatn\u00ed:<\/h3>\n<h4>Kampe\u0161kov\u00e9 d\u0159evo<\/h4>\n<p>Proto\u017ee dub\u011bnkov\u00fd inkoust nen\u00ed okam\u017eit\u011b pln\u011b \u010dern\u00fd po&nbsp;nanesen\u00ed na pap\u00edr, pou\u017e\u00edvala se jako p\u0159\u00edsada v\u00fdvar z&nbsp;kampe\u0161kov\u00e9ho d\u0159eva, kter\u00fd je v&nbsp;kysel\u00e9m roztoku inkoustu \u017eluto-oran\u017eov\u00fd.<\/p>\n<h3>Ethanol<\/h3>\n<p>P\u0159id\u00e1v\u00e1n p\u0159i&nbsp;fermentaci a&nbsp;do hotov\u00e9ho inkoustu k&nbsp;ochran\u011b p\u0159ed biologick\u00fdmi procesy (pl\u00edse\u0148).\u00a0\u00a0Takt\u00e9\u017e zabra\u0148uje zmrznut\u00ed inkoustu (sp\u00ed\u0161 historick\u00fd probl\u00e9m p\u00edsa\u0159\u016f) a&nbsp;sni\u017euje povrchov\u00e9 nap\u011bt\u00ed.<\/p>\n<h3>Obecn\u00e1 p\u0159\u00edprava<\/h3>\n<p>1. Uvoln\u011bn\u00ed kyseliny gallov\u00e9 z&nbsp;dub\u011bnek. Prov\u00e1d\u00ed se rozdrcen\u00edm dub\u011bnek a&nbsp;jejich louhov\u00e1n\u00edm ve vod\u011b. Va\u0159en\u00ed urychluje uvol\u0148ov\u00e1n\u00ed kyseliny. Nejefektivn\u011bj\u0161\u00ed zp\u016fsob je fermentace dub\u011bnek po&nbsp;n\u011bkolik t\u00fddn\u016f.<br \/>\n2. Filtrace<br \/>\n3. Sm\u00edsen\u00ed se s\u00edranem \u017eeleznat\u00fdm &#8211; vhodn\u00e9 nechat co nejd\u00e9le reagovat (i&nbsp;n\u011bkolik dn\u00ed) a&nbsp;pr\u016fb\u011b\u017en\u011b m\u00edchat<br \/>\n4. P\u0159id\u00e1n\u00ed arabsk\u00e9 gumy<\/p>\n<div id='gallery-1' class='gallery galleryid-3451 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/dominikmatus.cz\/cs\/2013\/04\/12\/dubenkovy-inkoust\/imag0699\/'><img fetchpriority=\"high\" decoding=\"async\" width=\"350\" height=\"350\" src=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0699-350x350.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Va\u0159en\u00ed dub\u011bnek\" aria-describedby=\"gallery-1-3457\" srcset=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0699-350x350.jpg 350w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0699-300x300.jpg 300w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0699-100x100.jpg 100w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-3457'>\n\t\t\t\tVa\u0159en\u00ed drcen\u00fdch dub\u011bnek\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/dominikmatus.cz\/cs\/2013\/04\/12\/dubenkovy-inkoust\/imag0702\/'><img decoding=\"async\" width=\"350\" height=\"350\" src=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0702-350x350.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-3456\" srcset=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0702-350x350.jpg 350w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0702-300x300.jpg 300w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0702-100x100.jpg 100w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-3456'>\n\t\t\t\tIngredience\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/dominikmatus.cz\/cs\/2013\/04\/12\/dubenkovy-inkoust\/imag0700\/'><img decoding=\"async\" width=\"350\" height=\"350\" src=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0700-350x350.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-3455\" srcset=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0700-350x350.jpg 350w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0700-300x300.jpg 300w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0700-100x100.jpg 100w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-3455'>\n\t\t\t\tDrcen\u00e1 arabsk\u00e1 guma\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/dominikmatus.cz\/cs\/2013\/04\/12\/dubenkovy-inkoust\/imag0705\/'><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"350\" src=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0705-350x350.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-3454\" srcset=\"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0705-350x350.jpg 350w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0705-300x300.jpg 300w, https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0705-100x100.jpg 100w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-3454'>\n\t\t\t\tZkou\u0161ka inkoustu\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\n<h3>Konkr\u00e9tn\u00ed recepty<\/h3>\n<p>&#8211; p\u0159eklad z&nbsp;<a href=\"http:\/\/www.irongallink.org\" target=\"_blank\">irongallink.org<\/a><\/p>\n<p><strong>Gerolamo Cardano (1501-1576) &#8211; De rerum varietate<\/strong><br \/>\n&#8211; Dub\u011bnky, 3 hmotnostn\u00ed d\u00edly<br \/>\n&#8211; Voda, 30 hmotnostn\u00edch d\u00edl\u016f<br \/>\n&#8211; S\u00edran \u017eeleznat\u00fd, 2 hmotnostn\u00ed d\u00edly<br \/>\n&#8211; Arabsk\u00e1 guma, 1 hmotnostn\u00ed d\u00edl<\/p>\n<p><strong>John de Beau Chesne, M. John Baildon &#8211; A&nbsp;Book Containing Divers Sorts of Hands (1571) \u2013 Instantn\u00ed inkoust (1-2 hodiny)<\/strong><br \/>\nB\u00edl\u00e9 v\u00edno \u2013 p\u016fl pinty (0,969&nbsp;l)<br \/>\nArabsk\u00e1 guma &#8211; 0.5 unc\u00ed\/ 14 gram\u016f (rozpu\u0161t\u011bn\u00e9 ve v\u00edn\u011b)<br \/>\nDub\u011bnky (Aleppo galls) \u2013 35 gram\u016f (rozdrcen\u00e9 na prach)<br \/>\nS\u00edran \u017eeleznat\u00fd &#8211; 21 gram\u016f<\/p>\n<p><strong>Inkoust p\u0159ipraven\u00fd va\u0159en\u00edm (4-5 hodin) \u2013 podle Ure<\/strong><\/p>\n<p>Dub\u011bnky &#8211; 18 hmotnostn\u00edch d\u00edl\u016f<br \/>\nS\u00edran \u017eeleznat\u00fd &#8211; 8 hmotnostn\u00edch d\u00edl\u016f<br \/>\nArabsk\u00e1 guma &#8211; 7 hmotnostn\u00edch d\u00edl\u016f<br \/>\nvoda &#8211; 145 hmotnostn\u00edch d\u00edl\u016f (ml)<\/p>\n<p>&#8222;P\u0159idejte 130 d\u00edl\u016f vody k&nbsp;rozdrcen\u00fdm dub\u011bnk\u00e1m a&nbsp;za st\u00e1l\u00e9ho m\u00edch\u00e1n\u00ed va\u0159te 2 hodiny. Aby se p\u0159ede\u0161lo p\u0159ip\u00e1len\u00ed dopl\u0148ujte vodu, kter\u00e1 se vypa\u0159ila. V\u00fdvar pot\u00e9 m\u016f\u017eete ochladit a&nbsp;p\u0159efiltrovat. V&nbsp;pr\u016fb\u011bhu filtrace rozpus\u0165te s\u00edran a&nbsp;arabskou gumu ve zbyl\u00fdch 15 d\u00edlech vody a&nbsp;nalijte sm\u011bs do filtr\u00e1tu. Inkoust nez\u010dern\u00e1 okam\u017eit\u011b\u2026\u201c<\/p>\n<p>Inkoust se m\u016f\u017ee lehce p\u0159ip\u00e1lit, pokud nen\u00ed voda p\u0159i&nbsp;va\u0159en\u00ed pr\u016fb\u011b\u017en\u011b dopl\u0148ov\u00e1na. B\u011bhem n\u011bkolika pokus\u016f bylo p\u0159id\u00e1no 350 ml vody za 2 hodiny. Roztok m\u00e1 tendenci p\u0159i&nbsp;va\u0159en\u00ed p\u011bnit, tak\u017ee pou\u017eijte v\u011bt\u0161\u00ed n\u00e1dobu a&nbsp;l\u017e\u00edci k&nbsp;se\u0161krabov\u00e1n\u00ed usazenin na st\u011bn\u00e1ch. Tento recept je p\u0159ipraven z&nbsp;drcen\u00fdch dub\u011bnek, ale m\u016f\u017eete zkusit dub\u011bnky rozb\u00edt pouze do men\u0161\u00edch \u010d\u00e1st\u00ed, abyste u\u0161et\u0159ili \u010das. P\u0159i&nbsp;chlazen\u00ed vznikne \u0161kraloup, kter\u00fd se odstran\u00ed filtrac\u00ed. Inkoust m\u00e1 tak\u00e9 tendenci se usazovat na dn\u011b. Kapalina by m\u011bla b\u00fdt \u010dist\u00e1, nebo p\u0159i&nbsp;pou\u017eit\u00ed nam\u00e1\u010dec\u00edho pera (ne plen\u011bn\u00e9ho) ji sta\u010d\u00ed jen prot\u0159epat, aby se sra\u017eenina prom\u00edsila (sra\u017eenina by ucpala plnic\u00ed pero). Pokud po\u010dk\u00e1te n\u011bkolik dn\u00ed p\u0159ed pou\u017eit\u00edm inkoustu, odst\u00edn bude tmav\u0161\u00ed.<\/p>\n<p><strong>Inkoust p\u0159ipraven\u00fd fermentac\u00ed dub\u011bnek (2 m\u011bs\u00edce) \u2013 podle Runge<\/strong><\/p>\n<p>Dub\u011bnky &#8211; 8 hmotnostn\u00edch d\u00edl\u016f<br \/>\nS\u00edran \u017eeleznat\u00fd &#8211; 4 hmotnostn\u00ed d\u00edly<br \/>\nArabsk\u00e1 guma &#8211; 2 hmotnostn\u00ed d\u00edly<br \/>\nVoda &#8211; 64 hmotnostn\u00edch d\u00edl\u016f (ml)<br \/>\nV\u011bt\u0161\u00ed \u010d\u00e1st\u00ed vrouc\u00ed vody zalijte rozbit\u00e9 dub\u011bnky, kter\u00e9 pak nechajte fermentovat 2 m\u011bs\u00edce. Kapalinu pot\u00e9 odlijte a&nbsp;zbytky dub\u011bnek zalijte zbylou vodou. Tyto dva roztoky p\u0159efiltrujte a&nbsp;arabskou gumu rozpus\u0165te ve filtr\u00e1tu. Potom p\u0159idejte s\u00edran \u017eeleznat\u00fd jako koncentr\u00e1t.<br \/>\nSigmund Lehner ve sv\u00e9 knize <em>Ink Manufacture<\/em> uv\u00e1d\u00ed, \u017ee k&nbsp;extrakci kyseliny gallov\u00e9 sta\u010d\u00ed 8 a\u017e 10&nbsp;dn\u00ed fermentace, na\u010de\u017e se roztok uva\u0159\u00ed aby se proces zastavil.<\/p>\n<p><strong>Inkoust p\u0159ipraven\u00fd fermentac\u00ed dub\u011bnek a&nbsp;p\u0159id\u00e1n\u00edm kampe\u0161kov\u00e9ho d\u0159eva (2 t\u00fddny)<\/strong><\/p>\n<p>Kvalitn\u00ed dub\u011bnky &#8211; 20 hmotnostn\u00edch d\u00edl\u016f<br \/>\nKampe\u0161kov\u00e9 d\u0159evo &#8211; 30 hmotnostn\u00edch d\u00edl\u016f<br \/>\nS\u00edran \u017eeleznat\u00fd &#8211; 20 hmotnostn\u00edch d\u00edl\u016f<br \/>\nArabsk\u00e1 guma &#8211; 30 hmotnostn\u00edch d\u00edl\u016f<br \/>\nvoda &#8211; 130 hmotnostn\u00edch d\u00edl\u016f (ml)<br \/>\n&#8222;Rozbijte dub\u011bnky a&nbsp;nechte je kvasit s&nbsp;80 d\u00edly vody na 14&nbsp;dn\u00ed. Pot\u00e9 odlijte kapalinu a&nbsp;zbytek zalijte vodou, aby vzniklo 100 d\u00edl\u016f kapaliny. V&nbsp;dal\u0161\u00edch 50 d\u00edlech vody va\u0159te piliny ka\u0161pe\u0161kov\u00e9ho d\u0159eva do doby kdy z\u016fstane 30 d\u00edl\u016f kapaliny. Tu pak za horka zfiltrujte a&nbsp;v&nbsp;n\u00ed rozpus\u0165te s\u00edran a&nbsp;gumu. Roztok sm\u00edchejte s&nbsp;extraktem z&nbsp;dub\u011bnek (<em>asi p\u0159efiltrovan\u00fd?<\/em>). Za n\u011bkolik dn\u00ed se objev\u00ed zna\u010dn\u00e1 sra\u017eenina. Kapalina nad sra\u017eeninou je kvalitn\u00ed inkoust syt\u00e9 \u010dern\u00e9 barvy.&#8220;<\/p>\n<p>Hotov\u00fd inkoust je vhodn\u00e9 usklad\u0148ovat v&nbsp;neprody\u0161n\u00e9 n\u00e1dob\u011b s&nbsp;mal\u00fdm otvorem, proto\u017ee oxiduje a&nbsp;vznik\u00e1 sra\u017eenina.<\/p>\n<h3>Chemick\u00e1 podstata vzniku inkoustu<\/h3>\n<p>Chemick\u00e9 popisy reakce stoj\u00edc\u00ed za vznikem inkoustu se m\u00edrn\u011b li\u0161\u00ed, av\u0161ak ne natolik aby to n\u011bco ovlivnilo. N\u00ed\u017ee uveden\u00e9 n\u00e1zvy l\u00e1tek jsou p\u0159elo\u017eeny z&nbsp;angli\u010dtiny. \u010cesk\u00e9 ekvivalenty jsem nena\u0161el, tak\u017ee mohou b\u00fdt nep\u0159esn\u00e9.<\/p>\n<p>Dub\u011bnky obsahuj\u00ed mnoho kyseliny galotaninov\u00e9 (galotanin) v&nbsp;t\u011bch je esterov\u011b v\u00e1z\u00e1na kyselina galov\u00e1 (n\u011bkdy i&nbsp;gallov\u00e1). Hydrol\u00fdzou se tato kyselina od\u0161t\u011bp\u00ed spolu s&nbsp;gluk\u00f3zou, kterou p\u0159i&nbsp;fermentaci urychluje enzym tanasa (z&nbsp;pl\u00edsn\u00ed nap\u0159.\u00a0Kropidl\u00e1ku \u010dern\u00e9ho). Samotn\u00fd \u010dern\u00fd pigment vznik\u00e1 ve dvou f\u00e1z\u00edch. S\u00edran \u017eeleznat\u00fd s&nbsp;kyselinou galovou produkuje gal\u00e1t \u017eeleznat\u00fd a&nbsp;kyselinu s\u00edrovou (respektive jej\u00ed ionty) av\u0161ak t\u00e9m\u011b\u0159 okam\u017eit\u011b doch\u00e1z\u00ed k&nbsp;reakci gal\u00e1tu \u017eeleznat\u00e9ho s&nbsp;ionty kysl\u00edku za vzniku pyrogal\u00e1tu \u017eelezit\u00e9ho a&nbsp;vody. V\u00fdsledn\u00fd roztok je kysel\u00fd a&nbsp;\u010dasto obsahuje p\u0159ebytek s\u00edranov\u00fdch a&nbsp;\u017eelezn\u00fdch iont\u016f, kter\u00e9 reaguj\u00ed s&nbsp;kysl\u00edkem. V\u00fdsledkem reakc\u00ed jsou pak hydroxidov\u00e9 anionty nebo kyselina s\u00edrov\u00e1\u00a0kter\u00e9 naru\u0161uj\u00ed celul\u00f3zov\u00e1 vl\u00e1kna.<\/p>\n<p><a href=\"http:\/\/www.dominikmatus.cz\/wp-content\/uploads\/reakce.png\"><img decoding=\"async\" class=\"  wp-image-3453 aligncenter\" src=\"http:\/\/www.dominikmatus.cz\/wp-content\/uploads\/reakce-740x738.png\" alt=\"Chemick\u00e1 reakce p\u0159i vzniku dub\u011bnkov\u00e9ho inkoustu\" width=\"500\" \/><\/a><\/p>\n<p><strong>Zdroje a&nbsp;zaj\u00edmav\u00e9 odkazy:<\/strong><\/p>\n<p><a href=\"http:\/\/www.flickr.com\/photos\/fiberdrunk\/sets\/72157625122919380\/with\/5442815571\/\" target=\"_blank\">Flickr.com galerie Homemade inks &#8211; Teri Fiber Drunk<\/a><br \/>\n<a href=\"http:\/\/irongallink.org\/make-ink\/make-ink-introduction\" target=\"_blank\">irongallink.org &#8211;\u00a0Make ink &#8211; Take half a&nbsp;pinte of water &#8230;<\/a><\/p>\n<p><a href=\"http:\/\/realscience.breckschool.org\/upper\/fruen\/files\/Enrichmentarticles\/files\/IronGallInk\/IronGallInk.html\" target=\"_blank\">The Real World of Chemistry &#8211; Iron Gall Ink<\/a><\/p>\n<p><a href=\"http:\/\/www.scienceinschool.org\/print\/363\" target=\"_blank\">Science in School &#8211;\u00a0Monastic ink: linking chemistry and history<\/a><\/p>\n<p><a href=\"http:\/\/www.evanlindquist.com\/othermedia\/oldinkrecipes.html\" target=\"_blank\">Old Ink recipes<\/a><\/p>\n<p><a href=\"http:\/\/web.ceu.hu\/medstud\/manual\/MMM\/ink.html\" target=\"_blank\">Materials and Techniques of Manuscript Production<\/a><\/p>\n<p><a href=\"http:\/\/www.randyasplund.com\/pages\/article\/EcclesIllums.htm\" target=\"_blank\">Making\u00a0The Book Of\u00a0Ecclesiastes<\/a><\/p>\n<p><a href=\"http:\/\/www.slovane.cz\/view.php?cisloclanku=2006021903\" target=\"_blank\">Slovan\u00e9.cz &#8211; Psan\u00ed na pergamen<\/a><\/p>\n<p><a href=\"http:\/\/www.vesmir.cz\/clanek\/dubenkovy-inkoust\" target=\"_blank\">Vesm\u00edr.cz &#8211; Dub\u011bnkov\u00fd inkoust<\/a><\/p>\n<p><a href=\"http:\/\/is.muni.cz\/th\/64756\/?lang=cs\" target=\"_blank\">Martina Andrykov\u00e1 &#8211;\u00a0K v\u00fdrob\u011b inkoustu a&nbsp;receptur\u00e1m v&nbsp;\u010desk\u00fdch zem\u00edch do 16.&nbsp;stolet\u00ed<\/a>\u00a0&#8211; Bakal\u00e1\u0159sk\u00e1 pr\u00e1ce<\/p>\n<p><a href=\"https:\/\/is.cuni.cz\/webapps\/zzp\/detail\/69827\/?lang=cs\" target=\"_blank\">Hana Zemanov\u00e1 &#8211; Dub\u011bnkov\u00fd inkoust<\/a>\u00a0&#8211; Bakal\u00e1\u0159sk\u00e1 pr\u00e1ce<\/p>","protected":false},"excerpt":{"rendered":"<p>R\u00e1d zkou\u0161\u00edm r\u016fzn\u00e9 pokusy a&nbsp;postupy, a&nbsp;del\u0161\u00ed dobu jsem m\u011bl nachystan\u00e9 dub\u011bnky k&nbsp;v\u00fdrob\u011b inkoustu, av\u0161ak k&nbsp;v\u00fdrob\u011b jsem se dostal a\u017e nyn\u00ed. Tento \u010derno-fialov\u00fd inkoust pou\u017e\u00edv\u00e1n ji\u017e ve st\u0159edov\u011bku, nahradil dlouho pou\u017e\u00edvan\u00fd inkoust ze saz\u00ed. V\u00e1\u017ee se s&nbsp;celul\u00f3zov\u00fdmi nebo kolagenov\u00fdmi vl\u00e1kny, tak\u017ee se nest\u00edr\u00e1, ale postupem \u010dasu bledne do s\u00e9piov\u00e9 barvy a&nbsp;naru\u0161uje podklad, kv\u016fli sv\u00e9 kyselosti. Jeho hlavn\u00ed slo\u017ekou je suspenze.<\/p>\n","protected":false},"author":1,"featured_media":3454,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[303],"tags":[308,304,306,307,309,305],"class_list":{"0":"post-3451","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-inkousty","8":"tag-dobovy","9":"tag-dubenkovy-inkoust","10":"tag-galovy-inkoust","11":"tag-historicky","12":"tag-manuskript","13":"tag-vyroba"},"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/dominikmatus.cz\/wp-content\/uploads\/IMAG0705.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/posts\/3451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/comments?post=3451"}],"version-history":[{"count":12,"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/posts\/3451\/revisions"}],"predecessor-version":[{"id":3821,"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/posts\/3451\/revisions\/3821"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/media\/3454"}],"wp:attachment":[{"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/media?parent=3451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/categories?post=3451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dominikmatus.cz\/cs\/wp-json\/wp\/v2\/tags?post=3451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}