{"id":9834,"date":"2026-02-24T15:11:44","date_gmt":"2026-02-24T07:11:44","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/iso-719-2\/"},"modified":"2026-04-16T09:54:21","modified_gmt":"2026-04-16T01:54:21","slug":"iso-719","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/sk\/standard\/iso-719\/","title":{"rendered":"ISO 719"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u010co je norma ISO 719?<\/h2>\n\n\n\n<p><strong data-start=\"1071\" data-end=\"1087\">ISO 719:2020<\/strong> je medzin\u00e1rodn\u00e1 norma s n\u00e1zvom <em data-start=\"1125\" data-end=\"1220\">\u201cSklo - Hydrolytick\u00e1 odolnos\u0165 sklen\u00fdch z\u0155n pri 98 \u00b0C - Met\u00f3da sk\u00fa\u0161ania a klasifik\u00e1cia.\u201d<\/em> Definuje postup testovania odolnosti sklenen\u00fdch z\u0155n vo\u010di vode pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Sk\u00fa\u0161ka meria objem kyseliny potrebnej na neutraliz\u00e1ciu z\u00e1sady extrahovanej z ur\u010ditej hmotnosti skla. V\u00fdsledky sa m\u00f4\u017eu uv\u00e1dza\u0165 bu\u010f pod\u013ea objemu kyseliny, alebo pod\u013ea ekvivalentn\u00e9ho obsahu oxidu sodn\u00e9ho, \u010do poskytuje kvantifikovate\u013en\u00fd z\u00e1klad pre klasifik\u00e1ciu.<\/p>\n\n\n\n<p>T\u00e1to norma je ur\u010den\u00e1 najm\u00e4 pre <strong data-start=\"1605\" data-end=\"1635\">menej odoln\u00e9 typy skla<\/strong>, ako napr. <strong data-start=\"1645\" data-end=\"1664\">limon\u00e1dov\u00e9 sklo<\/strong>, na rozdiel od <strong data-start=\"1673\" data-end=\"1684\">ISO 720<\/strong>, ktor\u00e1 sa zameriava na borosilik\u00e1tov\u00e9 a in\u00e9 chemicky stabilnej\u0161ie skl\u00e1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sk\u00fa\u0161ka hydrolytickej odolnosti skla: Pre\u010do je to d\u00f4le\u017eit\u00e9<\/h2>\n\n\n\n<p>The <strong data-start=\"1824\" data-end=\"1864\">sk\u00fa\u0161ka hydrolytickej odolnosti skla<\/strong> ur\u010duje, ko\u013eko alkalick\u00e9ho materi\u00e1lu sa vyl\u00fa\u010di do vody, ke\u010f je sklo vystaven\u00e9 vysok\u00fdm teplot\u00e1m. Tieto \u00fadaje s\u00fa d\u00f4le\u017eit\u00e9 pre:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zabezpe\u010denie chemickej stability <strong data-start=\"2032\" data-end=\"2061\">farmaceutick\u00e9 n\u00e1doby<\/strong> ako s\u00fa ampulky, f\u013ea\u0161ti\u010dky a peror\u00e1lne f\u013ea\u0161e.<\/li>\n\n\n\n<li>Zabr\u00e1nenie degrad\u00e1cii v\u00fdrobku sp\u00f4sobenej interakciou medzi obalom a liekom.<\/li>\n\n\n\n<li>Klasifik\u00e1cia druhov skla na z\u00e1klade trvanlivosti a v\u00fdber vhodn\u00fdch obalov\u00fdch materi\u00e1lov.<\/li>\n<\/ul>\n\n\n\n<p>Zl\u00e9 hodnotenie hydrolytickej odolnosti m\u00f4\u017ee nazna\u010dova\u0165 riziko vyl\u00fahovania alk\u00e1li\u00ed, ktor\u00e9 m\u00f4\u017ee ohrozi\u0165 trvanlivos\u0165 alebo bezpe\u010dnos\u0165 obsahu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Postup sk\u00fa\u0161ky zrnitosti skla pod\u013ea normy ISO 719<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00edprava vzorky<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2601\" data-end=\"2613\">Drvenie<\/strong>: Sklenen\u00e9 v\u00fdrobky (\u017e\u00edhan\u00e9) sa ru\u010dne alebo mechanicky rozdrvia na zrn\u00e1.<\/li>\n\n\n\n<li><strong data-start=\"2693\" data-end=\"2704\">Preosievanie<\/strong>: Zrn\u00e1 sa separuj\u00fa pomocou s\u00edt s ve\u013ekos\u0165ou 710 \u00b5m, 500 \u00b5m a 300 \u00b5m. Pou\u017eij\u00fa sa len zrn\u00e1, ktor\u00e9 pre\u0161li cez 500 \u00b5m, ale zostali na 300 \u00b5m.<\/li>\n\n\n\n<li><strong data-start=\"2841\" data-end=\"2853\">\u010cistenie<\/strong>: Zrn\u00e1 sa premyj\u00fa acet\u00f3nom a \u010distia v ultrazvukovom k\u00fapeli. Potom sa vysu\u0161ia pri 140 \u00b0C.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Postup testovania<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2978\" data-end=\"2990\">V\u00e1\u017eenie<\/strong>: 2 g \u010dist\u00fdch, such\u00fdch z\u0155n sa nav\u00e1\u017eia do ka\u017edej z troch odmern\u00fdch baniek.<\/li>\n\n\n\n<li><strong data-start=\"3069\" data-end=\"3083\">Extrakcia<\/strong>: Ba\u0148ky sa naplnia vodou 2. stup\u0148a a zahrievaj\u00fa sa v k\u00fapeli na 98 \u00b0C po\u010das 60 min\u00fat.<\/li>\n\n\n\n<li><strong data-start=\"3173\" data-end=\"3186\">Titr\u00e1cia<\/strong>: Po ochladen\u00ed sa \u010das\u0165 supernatantnej kvapaliny titruje pomocou metyl\u010dervenej ako indik\u00e1tora na stanovenie mno\u017estva uvo\u013enenej z\u00e1sady.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Klasifik\u00e1cia<\/h3>\n\n\n\n<p>Na z\u00e1klade objemu pou\u017eit\u00e9ho titrantu sa sklo klasifikuje do tried hydrolytickej odolnosti. Vy\u0161\u0161ie objemy znamenaj\u00fa v\u00e4\u010d\u0161ie uvo\u013e\u0148ovanie alk\u00e1li\u00ed, \u010do nazna\u010duje ni\u017e\u0161iu hydrolytick\u00fa odolnos\u0165.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e1stroj Spotlight: GHR-01A od Cell Instruments<\/h2>\n\n\n\n<p>Zefekt\u00edvnenie <a href=\"https:\/\/www.iso.org\/standard\/77843.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 719<\/a> testovanie a zn\u00ed\u017ei\u0165 manu\u00e1lnu z\u00e1\u0165a\u017e, Cell Instruments pon\u00faka <strong data-start=\"3695\" data-end=\"3747\">Tester hydrolytickej odolnosti sklenen\u00fdch z\u0155n GHR-01A<\/strong>. Automatizuje <strong data-start=\"3766\" data-end=\"3808\">proces drvenia a vibra\u010dn\u00e9ho sitovania<\/strong>, \u010d\u00edm sa zabezpe\u010d\u00ed opakovate\u013en\u00e1 a presn\u00e1 pr\u00edprava vzoriek.<br><strong data-start=\"3864\" data-end=\"3881\">K\u013e\u00fa\u010dov\u00e9 vlastnosti:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3885\" data-end=\"3919\">Automatizovan\u00e9 drvenie a preosievanie<\/strong>: Zabezpe\u010duje jednotnos\u0165 vzoriek a s\u00falad s normami ISO.<\/li>\n\n\n\n<li><strong data-start=\"3984\" data-end=\"4007\">Dotykov\u00e9 rozhranie HMI<\/strong>: Zlep\u0161uje kontrolu pou\u017e\u00edvate\u013ea a u\u013eah\u010duje ovl\u00e1danie.<\/li>\n\n\n\n<li><strong data-start=\"4056\" data-end=\"4075\">Bezpe\u010dnostn\u00e9 funkcie<\/strong>: Ochrann\u00e9 \u0161t\u00edty proti rozstreku skla a syst\u00e9my na zber odpadu zvy\u0161uj\u00fa bezpe\u010dnos\u0165 a \u010distotu v laborat\u00f3riu.<\/li>\n\n\n\n<li><strong data-start=\"4167\" data-end=\"4195\">Presnos\u0165 a efekt\u00edvnos\u0165<\/strong>: Automatizovan\u00e9 sitovanie poskytuje konzistentnej\u0161ie testovacie vzorky a minimalizuje \u013eudsk\u00e9 chyby.<a href=\"https:\/\/www.packqc.com\/sk\/product\/sale-glass-grain-hydrolytic-resistance-tester\/\"> <\/a><\/li>\n<\/ul>\n\n\n\n<p>GHR-01A sa odpor\u00fa\u010da pre laborat\u00f3ri\u00e1 a farmaceutick\u00e9 spolo\u010dnosti, ktor\u00e9 chc\u00fa dosiahnu\u0165 s\u00falad s normou ISO 719 a zefekt\u00edvni\u0165 procesy kontroly kvality.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tKontaktujte n\u00e1s Z\u00edskajte rie\u0161enie na testovanie pod\u013ea normy ISO 719\t\t\t\t<\/h2>\n\n\n\n<p>Norma ISO 719 zohr\u00e1va k\u013e\u00fa\u010dov\u00fa \u00falohu pri kvalifik\u00e1cii a klasifik\u00e1cii sklenen\u00fdch materi\u00e1lov pou\u017e\u00edvan\u00fdch vo farmaceutick\u00fdch obaloch. Dodr\u017eiavan\u00edm postupov tejto normy m\u00f4\u017eu v\u00fdrobcovia a laborat\u00f3ri\u00e1 presne pos\u00fadi\u0165 <strong data-start=\"5254\" data-end=\"5279\">hydrolytick\u00e1 odolnos\u0165<\/strong>, zlep\u0161i\u0165 <strong data-start=\"5289\" data-end=\"5310\">zabezpe\u010denie kvality<\/strong>, a zabezpe\u010di\u0165 s\u00falad s pr\u00e1vnymi predpismi. S n\u00e1strojmi ako Cell Instruments\u2019 <strong data-start=\"5386\" data-end=\"5397\">GHR-01A<\/strong>, sa proces testovania st\u00e1va efekt\u00edvnej\u0161\u00edm, bezpe\u010dnej\u0161\u00edm a spo\u013eahlivej\u0161\u00edm - \u010do umo\u017e\u0148uje v\u00e1\u0161mu laborat\u00f3riu udr\u017eiava\u0165 najvy\u0161\u0161ie \u0161tandardy v oblasti bezpe\u010dnosti a v\u00fdkonnosti v\u00fdrobkov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010dasto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n<p>1. Ak\u00fd je \u00fa\u010del normy ISO 719?<br>Norma ISO 719 sa pou\u017e\u00edva na hodnotenie hydrolytickej odolnosti sklenen\u00fdch z\u0155n pri teplote 98 \u00b0C a pom\u00e1ha klasifikova\u0165 chemick\u00fa odolnos\u0165 druhov skla, najm\u00e4 sodnov\u00e1penat\u00e9ho skla.<\/p>\n\n\n\n<p>2. Ak\u00e9 typy skla s\u00fa vhodn\u00e9 na testovanie pod\u013ea normy ISO 719?<br>Norma sa vz\u0165ahuje na menej chemicky odoln\u00e9 sklo, predov\u0161etk\u00fdm na sodnov\u00e1penat\u00e9 sklo. Odolnej\u0161ie typy, ako je borosilik\u00e1tov\u00e9 sklo, by sa mali testova\u0165 pod\u013ea normy ISO 720.<\/p>\n\n\n\n<p>3. Ak\u00e1 ve\u013ekos\u0165 vzorky je potrebn\u00e1 na testovanie pod\u013ea normy ISO 719?<br>Na jeden test s\u00fa potrebn\u00e9 aspo\u0148 2 gramy z\u0155n s ve\u013ekos\u0165ou 300 \u00b5m a\u017e 500 \u00b5m.<\/p>\n\n\n\n<p>4. Ako GHR-01A zlep\u0161uje testovanie pod\u013ea normy ISO 719?<br>GHR-01A automatizuje procesy drvenia a sitovania, zvy\u0161uje presnos\u0165, zni\u017euje po\u010det manu\u00e1lnych ch\u00fdb a zvy\u0161uje bezpe\u010dnos\u0165 a efekt\u00edvnos\u0165 laborat\u00f3ria.<\/p>\n\n\n\n<p>5. \u010co znamen\u00e1 vysok\u00e1 hydrolytick\u00e1 odolnos\u0165?<br>Vysok\u00e1 odolnos\u0165 znamen\u00e1 n\u00edzke vyl\u00fahovanie alk\u00e1li\u00ed, \u010do znamen\u00e1, \u017ee sklo je chemicky stabiln\u00e9 a vhodn\u00e9 na farmaceutick\u00e9 aplik\u00e1cie.<\/p>","protected":false},"excerpt":{"rendered":"<p>What is ISO 719? ISO 719:2020 is the international standard titled &#8220;Glass \u2014 Hydrolytic resistance of glass grains at 98 \u00b0C \u2014 Method of test and classification.&#8221; It defines a procedure for testing how resistant glass grains are to water at elevated temperatures. The test measures the volume of acid needed to neutralize alkali extracted [&hellip;]<\/p>","protected":false},"featured_media":5519,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"standard-category":[612],"class_list":["post-9834","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/sk\/wp-json\/wp\/v2\/standard\/9834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/sk\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/sk\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/sk\/wp-json\/wp\/v2\/media\/5519"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/sk\/wp-json\/wp\/v2\/media?parent=9834"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/sk\/wp-json\/wp\/v2\/standard-category?post=9834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}