{"id":3849,"date":"2026-08-23T11:34:15","date_gmt":"2026-08-23T08:34:15","guid":{"rendered":"https:\/\/www.sk-babickinerady.top\/?p=3849"},"modified":"2026-08-23T11:34:15","modified_gmt":"2026-08-23T08:34:15","slug":"ztmavlo-vam-striebro-namocte-ho-do-tohto-roztoku-na-pol-hodiny-a-okamzite-sa-bude-lesknut-ako-nove","status":"publish","type":"post","link":"https:\/\/www.sk-babickinerady.top\/?p=3849","title":{"rendered":"Ztmavlo v\u00e1m striebro? Namo\u010dte ho do tohto roztoku na pol hodiny a okam\u017eite sa bude leskn\u00fa\u0165 ako nov\u00e9!"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Nam\u00e1\u010danie v s\u00f3de bikarb\u00f3ne a hlin\u00edkovej f\u00f3lii je jedn\u00fdm z naj\u00fa\u010dinnej\u0161\u00edch dom\u00e1cich prostriedkov: Neo\u0161\u00facha kovov\u00fd povrch, ale premen\u00ed \u010dierny sulfid striebra sp\u00e4\u0165 na \u010dist\u00e9 striebro prostredn\u00edctvom elektrochemickej reakcie. Namiesto pol hodiny trv\u00e1 proces iba 3 \u2013 10 min\u00fat s hor\u00facou vodou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Postup \u010distenia<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00edprava: Vyste\u013ete misku hlin\u00edkovou f\u00f3liou lesklou stranou nahor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zmie\u0161ajte roztok: Na f\u00f3liu nasypte 1 \u2013 2 polievkov\u00e9 ly\u017eice s\u00f3dy bikarb\u00f3ny a 1 polievkov\u00fa ly\u017eicu kuchynskej soli.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Namo\u010dte: Vlo\u017ete striebro do misky. Je d\u00f4le\u017eit\u00e9, aby bolo striebro v priamom kontakte s hlin\u00edkovou f\u00f3liou, preto\u017ee hlin\u00edk daruje elektr\u00f3ny pre chemick\u00fa redukciu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Namo\u010dte: Nalejte hor\u00facu vodu na striebro, k\u00fdm nie je \u00faplne pokryt\u00e9. Po\u010das reakcie sa m\u00f4\u017ee objavi\u0165 mierny z\u00e1pach shnit\u00fdch vajec (s\u00edrovod\u00edk) \u2013 to nazna\u010duje, \u017ee sa zo striebra odstra\u0148uje s\u00edrov\u00fd povlak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Po 3\u201310 min\u00fatach predmet vyberte, opl\u00e1chnite studenou vodou a potom \u00faplne osu\u0161te m\u00e4kkou handri\u010dkou z mikrovl\u00e1kna.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kedy by ste sa mali tejto met\u00f3de vyhn\u00fa\u0165?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pri \u0161perkoch s perlami, op\u00e1lmi, koralmi alebo kompozitn\u00fdmi materi\u00e1lmi: Hor\u00faca voda a z\u00e1sadit\u00e9 pH m\u00f4\u017eu rozpusti\u0165 v\u00e4zbu alebo trvalo po\u0161kodi\u0165 organick\u00e9 kamene.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pri staro\u017eitnom (umelecky patinovanom) striebre: Reakcia bez rozdielu odstr\u00e1ni z\u00e1merne vytvoren\u00e9 tmav\u00e9 tiene a detaily<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nam\u00e1\u010danie v s\u00f3de bikarb\u00f3ne a hlin\u00edkovej f\u00f3lii je jedn\u00fdm z naj\u00fa\u010dinnej\u0161\u00edch dom\u00e1cich prostriedkov: Neo\u0161\u00facha kovov\u00fd povrch, ale premen\u00ed \u010dierny sulfid striebra sp\u00e4\u0165 na \u010dist\u00e9 striebro prostredn\u00edctvom elektrochemickej reakcie. Namiesto pol [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3850,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-3849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zivotne-triky"],"_links":{"self":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/3849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3849"}],"version-history":[{"count":1,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/3849\/revisions"}],"predecessor-version":[{"id":3851,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/3849\/revisions\/3851"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/media\/3850"}],"wp:attachment":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}