{"id":2692,"date":"2026-11-11T21:22:29","date_gmt":"2026-11-11T20:22:29","guid":{"rendered":"https:\/\/sita-slovensko.com\/?post_type=aplikacia&#038;p=2692"},"modified":"2026-11-12T05:05:52","modified_gmt":"2026-11-12T04:05:52","slug":"koncentrace-tenzidu-titrace-nebo-povrchove-napeti","status":"publish","type":"aplikacia","link":"https:\/\/sita-slovensko.com\/cs\/aplikacia\/koncentrace-tenzidu-titrace-nebo-povrchove-napeti\/","title":{"rendered":"Koncentrace tenzid\u016f: titrace, nebo povrchov\u00e9 nap\u011bt\u00ed?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Titrace uk\u00e1\u017ee alkalitu l\u00e1zn\u011b, ne obsah tenzid\u016f. Pr\u00e1v\u011b tenzidy v\u0161ak rozhoduj\u00ed o tom, zda se olej z d\u00edlu uvoln\u00ed.<\/strong> Proto m\u016f\u017ee b\u00fdt titrace v norm\u011b, a d\u00edly p\u0159esto vych\u00e1zej\u00ed z linky mastn\u00e9. Voln\u00e9 tenzidy zm\u011b\u0159\u00edte tenziometrem za minutu.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Porovn\u00e1n\u00ed metod kontroly l\u00e1zn\u011b<\/h2>\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Metoda<\/th><th>Co m\u011b\u0159\u00ed<\/th><th>Co neuk\u00e1\u017ee<\/th><th>Kdy se hod\u00ed<\/th><\/tr><\/thead><tbody><tr><td>Titrace<\/td><td>alkalitu (builder)<\/td><td>obsah tenzid\u016f, zat\u00ed\u017een\u00ed olejem<\/td><td>d\u00e1vkov\u00e1n\u00ed builderu<\/td><\/tr><tr><td>Vodivost<\/td><td>v\u0161echny rozpu\u0161t\u011bn\u00e9 soli<\/td><td>\u00fa\u010dinn\u00e9 slo\u017eky; roste se zne\u010di\u0161t\u011bn\u00edm<\/td><td>automatick\u00e9 d\u00e1vkov\u00e1n\u00ed \u010derstv\u00e9 l\u00e1zn\u011b<\/td><\/tr><tr><td>Refraktometr<\/td><td>celkov\u00fd obsah rozpu\u0161t\u011bn\u00fdch l\u00e1tek<\/td><td>rozd\u00edl mezi \u010distic\u00edm prost\u0159edkem a ne\u010distotou<\/td><td>emulze a chladic\u00ed kapaliny<\/td><\/tr><tr><td>Dynamick\u00e9 povrchov\u00e9 nap\u011bt\u00ed<\/td><td>koncentraci voln\u00fdch tenzid\u016f<\/td><td>alkalitu<\/td><td>d\u00e1vkov\u00e1n\u00ed tenzid\u016f, rozhodnut\u00ed o v\u00fdm\u011bn\u011b l\u00e1zn\u011b<\/td><\/tr><tr><td>Fluorescence l\u00e1zn\u011b<\/td><td>zat\u00ed\u017een\u00ed olejem<\/td><td>koncentraci tenzid\u016f<\/td><td>rozhodnut\u00ed o v\u00fdm\u011bn\u011b l\u00e1zn\u011b, kontrola odlu\u010dova\u010de<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d pr\u00e1v\u011b dynamick\u00e9 povrchov\u00e9 nap\u011bt\u00ed<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u010cist\u00e1 voda m\u00e1 p\u0159i 20 \u00b0C povrchov\u00e9 nap\u011bt\u00ed p\u0159ibli\u017en\u011b 72,8 mN\/m. Tenzidy je sni\u017euj\u00ed \u2013 \u010d\u00edm v\u00edce voln\u00fdch tenzid\u016f, t\u00edm ni\u017e\u0161\u00ed hodnota. Tenziometry SITA m\u011b\u0159\u00ed metodou tlaku v bublin\u011b: p\u0159\u00edstroj vytv\u00e1\u0159\u00ed v kapalin\u011b bubliny a z tlaku ur\u010d\u00ed povrchov\u00e9 nap\u011bt\u00ed p\u0159i zvolen\u00e9 \u017eivotnosti bubliny. M\u011b\u0159en\u00ed nen\u00ed citliv\u00e9 na barvu ani z\u00e1kal l\u00e1zn\u011b.<\/p>\n\n\n<h2 class=\"wp-block-heading\">P\u0159\u00edstroje<\/h2>\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/sita-slovensko.com\/cs\/produkt\/sita-dynotester\/\">SITA DynoTester+<\/a> \u2013 ru\u010dn\u00ed tenziometr k lince, 10 \u2013 100 mN\/m, teplota vzorku 0 \u2013 100 \u00b0C.<\/li>\n\n<li><a href=\"https:\/\/sita-slovensko.com\/cs\/produkt\/sita-pro-line-t15\/\">SITA pro line t15+<\/a> \u2013 laboratorn\u00ed i provozn\u00ed tenziometr s re\u017eimem ONLINE.<\/li>\n\n<li><a href=\"https:\/\/sita-slovensko.com\/cs\/produkt\/sita-clean-line-st\/\">SITA clean line ST<\/a> \u2013 nep\u0159etr\u017eit\u00e9 m\u011b\u0159en\u00ed p\u0159\u00edmo v lince s napojen\u00edm na d\u00e1vkov\u00e1n\u00ed.<\/li>\n\n<li><a href=\"https:\/\/sita-slovensko.com\/cs\/produkt\/sita-conspector\/\">SITA ConSpector<\/a> \u2013 zat\u00ed\u017een\u00ed l\u00e1zn\u011b olejem fluorescenc\u00ed.<\/li>\n<\/ul>\n\n\n<p class=\"wp-block-paragraph\">Postup zaveden\u00ed kontroly najdete na str\u00e1nce <a href=\"https:\/\/sita-slovensko.com\/cs\/aplikacia\/kontrola-odmastovaci-lazne\/\">Kontrola odma\u0161\u0165ovac\u00ed l\u00e1zn\u011b<\/a>.<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u010cast\u00e9 dotazy<\/h2>\n\n\n<style>.faq-q{margin:22px 0 6px !important;font-size:1.05em;line-height:1.4}.faq-a{position:relative;padding-left:1.7em !important;margin:0 0 6px !important}.faq-a::before{content:\"\\2794\";position:absolute;left:0;top:0;color:#c8102e;font-weight:700}<\/style>\n\n\n<p class=\"faq-q wp-block-paragraph\"><strong>Co m\u011b\u0159\u00ed titrace odma\u0161\u0165ovac\u00ed l\u00e1zn\u011b?<\/strong><\/p>\n\n\n<p class=\"faq-a wp-block-paragraph\">Titrace m\u011b\u0159\u00ed alkalitu, tedy obsah z\u00e1sadit\u00e9 slo\u017eky \u010distic\u00edho prost\u0159edku (builderu). O obsahu tenzid\u016f, kter\u00e9 sm\u00e1\u010dej\u00ed povrch a uvol\u0148uj\u00ed olej, ne\u0159\u00edk\u00e1 nic.<\/p>\n\n\n<p class=\"faq-q wp-block-paragraph\"><strong>Pro\u010d je titrace v po\u0159\u00e1dku a d\u00edly jsou p\u0159esto mastn\u00e9?<\/strong><\/p>\n\n\n<p class=\"faq-a wp-block-paragraph\">Tenzidy se z l\u00e1zn\u011b ztr\u00e1cej\u00ed rychleji ne\u017e alkalita \u2013 v\u00e1\u017eou se na olej a ne\u010distoty a vyn\u00e1\u0161ej\u00ed se na d\u00edlech. L\u00e1ze\u0148 tak m\u016f\u017ee m\u00edt spr\u00e1vnou alkalitu a z\u00e1rove\u0148 p\u0159\u00edli\u0161 m\u00e1lo voln\u00fdch tenzid\u016f pro \u010di\u0161t\u011bn\u00ed.<\/p>\n\n\n<p class=\"faq-q wp-block-paragraph\"><strong>Lze koncentraci tenzid\u016f m\u011b\u0159it vodivost\u00ed?<\/strong><\/p>\n\n\n<p class=\"faq-a wp-block-paragraph\">Vodivost reaguje na v\u0161echny rozpu\u0161t\u011bn\u00e9 soli v\u010detn\u011b vnesen\u00fdch ne\u010distot a sol\u00ed z vody. Se st\u00e1rnut\u00edm l\u00e1zn\u011b roste, i kdy\u017e \u00fa\u010dinn\u00fdch slo\u017eek ub\u00fdv\u00e1. Je vhodn\u00e1 pro automatick\u00e9 d\u00e1vkov\u00e1n\u00ed \u010derstv\u00e9 l\u00e1zn\u011b, ne pro posouzen\u00ed \u010distic\u00ed schopnosti.<\/p>\n\n\n<p class=\"faq-q wp-block-paragraph\"><strong>Jak se z povrchov\u00e9ho nap\u011bt\u00ed ur\u010d\u00ed koncentrace tenzid\u016f?<\/strong><\/p>\n\n\n<p class=\"faq-a wp-block-paragraph\">P\u0159iprav\u00ed se kalibra\u010dn\u00ed k\u0159ivka: zm\u011b\u0159\u00ed se dynamick\u00e9 povrchov\u00e9 nap\u011bt\u00ed roztoku prost\u0159edku p\u0159i n\u011bkolika zn\u00e1m\u00fdch koncentrac\u00edch. Hodnota nam\u011b\u0159en\u00e1 v l\u00e1zni se pak porovn\u00e1 s k\u0159ivkou. Kalibrace se d\u011bl\u00e1 pro ka\u017ed\u00fd \u010distic\u00ed prost\u0159edek zvl\u00e1\u0161\u0165.<\/p>\n\n\n<p class=\"faq-q wp-block-paragraph\"><strong>Nahrad\u00ed tenziometr titraci \u00fapln\u011b?<\/strong><\/p>\n\n\n<p class=\"faq-a wp-block-paragraph\">Ne. U dvouslo\u017ekov\u00fdch prost\u0159edk\u016f (builder + tenzid) se ob\u011b metody dopl\u0148uj\u00ed: titrace \u0159\u00edd\u00ed d\u00e1vkov\u00e1n\u00ed builderu, tenziometr d\u00e1vkov\u00e1n\u00ed tenzidov\u00e9 slo\u017eky.<\/p>\n\n\n<p class=\"faq-q wp-block-paragraph\"><strong>Jak dlouho trv\u00e1 m\u011b\u0159en\u00ed a kdo je m\u016f\u017ee d\u011blat?<\/strong><\/p>\n\n\n<p class=\"faq-a wp-block-paragraph\">M\u011b\u0159en\u00ed ru\u010dn\u00edm tenziometrem SITA DynoTester+ trv\u00e1 p\u0159ibli\u017en\u011b minutu, prov\u00e1d\u00ed se p\u0159\u00edmo u linky ve vzorku l\u00e1zn\u011b a zvl\u00e1dne je obsluha linky po kr\u00e1tk\u00e9m za\u0161kolen\u00ed.<\/p>\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"inLanguage\":\"cs-CZ\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Co m\u011b\u0159\u00ed titrace odma\u0161\u0165ovac\u00ed l\u00e1zn\u011b?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Titrace m\u011b\u0159\u00ed alkalitu, tedy obsah z\u00e1sadit\u00e9 slo\u017eky \u010distic\u00edho prost\u0159edku (builderu). O obsahu tenzid\u016f, kter\u00e9 sm\u00e1\u010dej\u00ed povrch a uvol\u0148uj\u00ed olej, ne\u0159\u00edk\u00e1 nic.\"}},{\"@type\":\"Question\",\"name\":\"Pro\u010d je titrace v po\u0159\u00e1dku a d\u00edly jsou p\u0159esto mastn\u00e9?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Tenzidy se z l\u00e1zn\u011b ztr\u00e1cej\u00ed rychleji ne\u017e alkalita \u2013 v\u00e1\u017eou se na olej a ne\u010distoty a vyn\u00e1\u0161ej\u00ed se na d\u00edlech. L\u00e1ze\u0148 tak m\u016f\u017ee m\u00edt spr\u00e1vnou alkalitu a z\u00e1rove\u0148 p\u0159\u00edli\u0161 m\u00e1lo voln\u00fdch tenzid\u016f pro \u010di\u0161t\u011bn\u00ed.\"}},{\"@type\":\"Question\",\"name\":\"Lze koncentraci tenzid\u016f m\u011b\u0159it vodivost\u00ed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Vodivost reaguje na v\u0161echny rozpu\u0161t\u011bn\u00e9 soli v\u010detn\u011b vnesen\u00fdch ne\u010distot a sol\u00ed z vody. Se st\u00e1rnut\u00edm l\u00e1zn\u011b roste, i kdy\u017e \u00fa\u010dinn\u00fdch slo\u017eek ub\u00fdv\u00e1. Je vhodn\u00e1 pro automatick\u00e9 d\u00e1vkov\u00e1n\u00ed \u010derstv\u00e9 l\u00e1zn\u011b, ne pro posouzen\u00ed \u010distic\u00ed schopnosti.\"}},{\"@type\":\"Question\",\"name\":\"Jak se z povrchov\u00e9ho nap\u011bt\u00ed ur\u010d\u00ed koncentrace tenzid\u016f?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"P\u0159iprav\u00ed se kalibra\u010dn\u00ed k\u0159ivka: zm\u011b\u0159\u00ed se dynamick\u00e9 povrchov\u00e9 nap\u011bt\u00ed roztoku prost\u0159edku p\u0159i n\u011bkolika zn\u00e1m\u00fdch koncentrac\u00edch. Hodnota nam\u011b\u0159en\u00e1 v l\u00e1zni se pak porovn\u00e1 s k\u0159ivkou. Kalibrace se d\u011bl\u00e1 pro ka\u017ed\u00fd \u010distic\u00ed prost\u0159edek zvl\u00e1\u0161\u0165.\"}},{\"@type\":\"Question\",\"name\":\"Nahrad\u00ed tenziometr titraci \u00fapln\u011b?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ne. U dvouslo\u017ekov\u00fdch prost\u0159edk\u016f (builder + tenzid) se ob\u011b metody dopl\u0148uj\u00ed: titrace \u0159\u00edd\u00ed d\u00e1vkov\u00e1n\u00ed builderu, tenziometr d\u00e1vkov\u00e1n\u00ed tenzidov\u00e9 slo\u017eky.\"}},{\"@type\":\"Question\",\"name\":\"Jak dlouho trv\u00e1 m\u011b\u0159en\u00ed a kdo je m\u016f\u017ee d\u011blat?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"M\u011b\u0159en\u00ed ru\u010dn\u00edm tenziometrem SITA DynoTester+ trv\u00e1 p\u0159ibli\u017en\u011b minutu, prov\u00e1d\u00ed se p\u0159\u00edmo u linky ve vzorku l\u00e1zn\u011b a zvl\u00e1dne je obsluha linky po kr\u00e1tk\u00e9m za\u0161kolen\u00ed.\"}}]}<\/script>\n\n\n<h2 class=\"wp-block-heading\">Porovn\u00e1me to na va\u0161\u00ed l\u00e1zni<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Zm\u011b\u0159\u00edme va\u0161i l\u00e1ze\u0148 tenziometrem a v\u00fdsledek porovn\u00e1me s va\u0161\u00ed titrac\u00ed \u2013 bezplatn\u011b. Napi\u0161te na <a href=\"mailto:info@aloquence.com\">info@aloquence.com<\/a>, zavolejte na <a href=\"tel:+421910296233\">+421 910 296 233<\/a> nebo pou\u017eijte <a href=\"https:\/\/sita-slovensko.com\/cs\/kontakty\/\">kontaktn\u00ed formul\u00e1\u0159<\/a>. Va\u0161e kontaktn\u00ed osoba: Ing. Juraj \u0160karba, Aloquence, s. r. o.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Titrace uk\u00e1\u017ee alkalitu l\u00e1zn\u011b, ne obsah tenzid\u016f. Pr\u00e1v\u011b tenzidy v\u0161ak rozhoduj\u00ed o tom, zda se olej z d\u00edlu uvoln\u00ed. Proto m\u016f\u017ee b\u00fdt titrace v norm\u011b, a d\u00edly p\u0159esto vych\u00e1zej\u00ed z linky mastn\u00e9. Voln\u00e9 tenzidy zm\u011b\u0159\u00edte tenziometrem za minutu. Porovn\u00e1n\u00ed metod kontroly l\u00e1zn\u011b Metoda Co m\u011b\u0159\u00ed Co neuk\u00e1\u017ee Kdy se hod\u00ed Titrace alkalitu (builder) obsah tenzid\u016f, [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-2692","aplikacia","type-aplikacia","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sita-slovensko.com\/cs\/wp-json\/wp\/v2\/aplikacia\/2692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sita-slovensko.com\/cs\/wp-json\/wp\/v2\/aplikacia"}],"about":[{"href":"https:\/\/sita-slovensko.com\/cs\/wp-json\/wp\/v2\/types\/aplikacia"}],"wp:attachment":[{"href":"https:\/\/sita-slovensko.com\/cs\/wp-json\/wp\/v2\/media?parent=2692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}