{"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\/cs\/standard\/iso-719\/","title":{"rendered":"ISO 719"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Co je ISO 719?<\/h2>\n\n\n\n<p><strong data-start=\"1071\" data-end=\"1087\">ISO 719:2020<\/strong> je mezin\u00e1rodn\u00ed norma s n\u00e1zvem <em data-start=\"1125\" data-end=\"1220\">\u201cSklo - Hydrolytick\u00e1 odolnost sklen\u011bn\u00fdch zrn p\u0159i 98 \u00b0C - Metoda zkou\u0161en\u00ed a klasifikace.\u201d<\/em> Definuje postup pro zkou\u0161en\u00ed odolnosti sklen\u011bn\u00fdch zrn v\u016f\u010di vod\u011b p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Zkou\u0161ka m\u011b\u0159\u00ed objem kyseliny pot\u0159ebn\u00fd k neutralizaci alk\u00e1lie extrahovan\u00e9 z ur\u010dit\u00e9 hmotnosti skla. V\u00fdsledky lze uv\u00e1d\u011bt bu\u010f podle objemu kyseliny, nebo podle ekvivalentn\u00edho obsahu oxidu sodn\u00e9ho, co\u017e poskytuje kvantifikovateln\u00fd z\u00e1klad pro klasifikaci.<\/p>\n\n\n\n<p>Tato norma je ur\u010dena zejm\u00e9na pro <strong data-start=\"1605\" data-end=\"1635\">m\u00e9n\u011b odoln\u00e9 typy skel<\/strong>, jako nap\u0159. <strong data-start=\"1645\" data-end=\"1664\">sodovkovo-v\u00e1penn\u00e1 sklenice<\/strong>, na rozd\u00edl od <strong data-start=\"1673\" data-end=\"1684\">ISO 720<\/strong>, kter\u00e1 se zam\u011b\u0159uje na borosilik\u00e1tov\u00e1 a jin\u00e1 chemicky stabiln\u011bj\u0161\u00ed skla.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zkou\u0161ka hydrolytick\u00e9 odolnosti skla: Pro\u010d na tom z\u00e1le\u017e\u00ed?<\/h2>\n\n\n\n<p>The <strong data-start=\"1824\" data-end=\"1864\">zkou\u0161ka hydrolytick\u00e9 odolnosti skla<\/strong> ur\u010duje, kolik alkalick\u00e9ho materi\u00e1lu se vyluhuje do vody, kdy\u017e je sklo vystaveno vysok\u00fdm teplot\u00e1m. Tyto \u00fadaje jsou d\u016fle\u017eit\u00e9 pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zaji\u0161t\u011bn\u00ed chemick\u00e9 stability <strong data-start=\"2032\" data-end=\"2061\">farmaceutick\u00e9 kontejnery<\/strong> jako jsou ampule, lahvi\u010dky a peror\u00e1ln\u00ed lahvi\u010dky.<\/li>\n\n\n\n<li>Zabr\u00e1n\u011bn\u00ed degradaci produktu zp\u016fsoben\u00e9 interakc\u00ed mezi obalem a l\u00e9kem.<\/li>\n\n\n\n<li>Rozd\u011blen\u00ed typ\u016f skla podle trvanlivosti a v\u00fdb\u011br vhodn\u00fdch obalov\u00fdch materi\u00e1l\u016f.<\/li>\n<\/ul>\n\n\n\n<p>\u0160patn\u00e9 hodnocen\u00ed hydrolytick\u00e9 odolnosti m\u016f\u017ee znamenat riziko alkalick\u00e9ho vyluhov\u00e1n\u00ed, kter\u00e9 m\u016f\u017ee ohrozit skladovatelnost nebo bezpe\u010dnost obsahu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Postup zkou\u0161ky zrnitosti skla podle normy ISO 719<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edprava vzorku<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2601\" data-end=\"2613\">Drcen\u00ed<\/strong>: Sklen\u011bn\u00e9 v\u00fdrobky (\u017e\u00edhan\u00e9) se ru\u010dn\u011b nebo mechanicky drt\u00ed na zrna.<\/li>\n\n\n\n<li><strong data-start=\"2693\" data-end=\"2704\">Pros\u00e9v\u00e1n\u00ed<\/strong>: Zrna se odd\u011bluj\u00ed pomoc\u00ed s\u00edt o velikosti 710 \u00b5m, 500 \u00b5m a 300 \u00b5m. Pou\u017eij\u00ed se pouze zrna, kter\u00e1 projdou s\u00edtem 500 \u00b5m, ale z\u016fstanou zachov\u00e1na na s\u00edtu 300 \u00b5m.<\/li>\n\n\n\n<li><strong data-start=\"2841\" data-end=\"2853\">\u010ci\u0161t\u011bn\u00ed<\/strong>: Zrna se promyj\u00ed acetonem a vy\u010dist\u00ed v ultrazvukov\u00e9 l\u00e1zni. Pot\u00e9 se su\u0161\u00ed p\u0159i 140 \u00b0C.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Postup testov\u00e1n\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2978\" data-end=\"2990\">V\u00e1\u017een\u00ed<\/strong>: Do ka\u017ed\u00e9 ze t\u0159\u00ed odm\u011brn\u00fdch ban\u011bk se nav\u00e1\u017e\u00ed 2 g \u010dist\u00fdch such\u00fdch zrn.<\/li>\n\n\n\n<li><strong data-start=\"3069\" data-end=\"3083\">Extrakce<\/strong>: Ba\u0148ky se napln\u00ed vodou t\u0159\u00eddy 2 a zah\u0159\u00edvaj\u00ed se v l\u00e1zni na 98 \u00b0C po dobu 60 minut.<\/li>\n\n\n\n<li><strong data-start=\"3173\" data-end=\"3186\">Titrace<\/strong>: Po ochlazen\u00ed se \u010d\u00e1st supernatantn\u00ed kapaliny titruje pomoc\u00ed methylov\u00e9 \u010derven\u011b jako indik\u00e1toru, aby se stanovilo mno\u017estv\u00ed uvoln\u011bn\u00e9 alk\u00e1lie.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Klasifikace<\/h3>\n\n\n\n<p>Na z\u00e1klad\u011b objemu pou\u017eit\u00e9ho titrantu se sklo rozd\u011bluje do t\u0159\u00edd hydrolytick\u00e9 odolnosti. V\u011bt\u0161\u00ed objemy znamenaj\u00ed v\u011bt\u0161\u00ed uvol\u0148ov\u00e1n\u00ed alk\u00e1li\u00ed, co\u017e nazna\u010duje ni\u017e\u0161\u00ed hydrolytickou odolnost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pozornost v\u011bnovan\u00e1 n\u00e1stroj\u016fm: GHR-01A od Cell Instruments<\/h2>\n\n\n\n<p>Zefektivnit <a href=\"https:\/\/www.iso.org\/standard\/77843.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 719<\/a> testov\u00e1n\u00ed a sn\u00ed\u017een\u00ed manu\u00e1ln\u00ed z\u00e1t\u011b\u017ee, Cell Instruments nab\u00edz\u00ed <strong data-start=\"3695\" data-end=\"3747\">Tester hydrolytick\u00e9 odolnosti GHR-01A Glass Grain<\/strong>. Automatizuje <strong data-start=\"3766\" data-end=\"3808\">proces drcen\u00ed a vibra\u010dn\u00edho pros\u00e9v\u00e1n\u00ed<\/strong>, co\u017e zaji\u0161\u0165uje opakovatelnou a p\u0159esnou p\u0159\u00edpravu vzork\u016f.<br><strong data-start=\"3864\" data-end=\"3881\">Kl\u00ed\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 drcen\u00ed a pros\u00e9v\u00e1n\u00ed<\/strong>: Zaji\u0161\u0165uje jednotnost vzork\u016f a shodu s normami ISO.<\/li>\n\n\n\n<li><strong data-start=\"3984\" data-end=\"4007\">Dotykov\u00e9 rozhran\u00ed HMI<\/strong>: Zlep\u0161uje u\u017eivatelsk\u00e9 ovl\u00e1d\u00e1n\u00ed a usnad\u0148uje obsluhu.<\/li>\n\n\n\n<li><strong data-start=\"4056\" data-end=\"4075\">Bezpe\u010dnostn\u00ed prvky<\/strong>: Sklen\u011bn\u00e9 \u0161t\u00edty proti rozst\u0159iku a syst\u00e9my sb\u011bru odpadu zvy\u0161uj\u00ed bezpe\u010dnost a \u010distotu laborato\u0159e.<\/li>\n\n\n\n<li><strong data-start=\"4167\" data-end=\"4195\">P\u0159esnost a efektivita<\/strong>: Automatizovan\u00e9 pros\u00e9v\u00e1n\u00ed poskytuje konzistentn\u011bj\u0161\u00ed zku\u0161ebn\u00ed vzorky a minimalizuje lidsk\u00e9 chyby.<a href=\"https:\/\/www.packqc.com\/cs\/product\/sale-glass-grain-hydrolytic-resistance-tester\/\"> <\/a><\/li>\n<\/ul>\n\n\n\n<p>GHR-01A se doporu\u010duje laborato\u0159\u00edm a farmaceutick\u00fdm spole\u010dnostem, kter\u00e9 cht\u011bj\u00ed splnit po\u017eadavky normy ISO 719 a zefektivnit procesy kontroly kvality.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tKontaktujte n\u00e1s Z\u00edskejte \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed ISO 719\t\t\t\t<\/h2>\n\n\n\n<p>Norma ISO 719 hraje kl\u00ed\u010dovou roli p\u0159i kvalifikaci a klasifikaci sklen\u011bn\u00fdch materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch ve farmaceutick\u00fdch obalech. Dodr\u017eov\u00e1n\u00edm postup\u016f t\u00e9to normy mohou v\u00fdrobci a laborato\u0159e p\u0159esn\u011b vyhodnotit. <strong data-start=\"5254\" data-end=\"5279\">hydrolytick\u00e1 odolnost<\/strong>, zlep\u0161it <strong data-start=\"5289\" data-end=\"5310\">zaji\u0161t\u011bn\u00ed kvality<\/strong>, a zajistit soulad s pr\u00e1vn\u00edmi p\u0159edpisy. S n\u00e1stroji, jako je Cell Instruments\u2019 <strong data-start=\"5386\" data-end=\"5397\">GHR-01A<\/strong>, se proces testov\u00e1n\u00ed st\u00e1v\u00e1 efektivn\u011bj\u0161\u00edm, bezpe\u010dn\u011bj\u0161\u00edm a spolehliv\u011bj\u0161\u00edm - co\u017e va\u0161\u00ed laborato\u0159i umo\u017en\u00ed udr\u017eet nejvy\u0161\u0161\u00ed standardy v oblasti bezpe\u010dnosti a v\u00fdkonnosti v\u00fdrobk\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<p>1. Jak\u00fd je \u00fa\u010del normy ISO 719?<br>Norma ISO 719 se pou\u017e\u00edv\u00e1 k hodnocen\u00ed hydrolytick\u00e9 odolnosti sklen\u011bn\u00fdch zrn p\u0159i teplot\u011b 98 \u00b0C a pom\u00e1h\u00e1 klasifikovat chemickou odolnost typ\u016f skla, zejm\u00e9na sodnov\u00e1penat\u00e9ho skla.<\/p>\n\n\n\n<p>2. Jak\u00e9 typy skla jsou vhodn\u00e9 pro zkou\u0161en\u00ed podle normy ISO 719?<br>Norma plat\u00ed pro m\u00e9n\u011b chemicky odoln\u00e1 skla, p\u0159edev\u0161\u00edm sodnov\u00e1penat\u00e9 sklo. Odoln\u011bj\u0161\u00ed typy, jako je borosilik\u00e1tov\u00e9 sklo, by se m\u011bly zkou\u0161et podle normy ISO 720.<\/p>\n\n\n\n<p>3. Jak\u00e1 velikost vzorku je vy\u017eadov\u00e1na pro testov\u00e1n\u00ed podle normy ISO 719?<br>Na jednu zkou\u0161ku jsou zapot\u0159eb\u00ed nejm\u00e9n\u011b 2 gramy zrn o velikosti 300 a\u017e 500 \u00b5m.<\/p>\n\n\n\n<p>4. Jak GHR-01A zlep\u0161uje testov\u00e1n\u00ed podle normy ISO 719?<br>Za\u0159\u00edzen\u00ed GHR-01A automatizuje procesy drcen\u00ed a pros\u00e9v\u00e1n\u00ed, zvy\u0161uje p\u0159esnost, omezuje manu\u00e1ln\u00ed chyby a zvy\u0161uje bezpe\u010dnost a efektivitu laborato\u0159e.<\/p>\n\n\n\n<p>5. Co znamen\u00e1 vysok\u00e1 hydrolytick\u00e1 odolnost?<br>Vysok\u00e1 odolnost znamen\u00e1 n\u00edzk\u00e9 vyluhov\u00e1n\u00ed alk\u00e1li\u00ed, co\u017e znamen\u00e1, \u017ee sklo je chemicky stabiln\u00ed a vhodn\u00e9 pro farmaceutick\u00e9 aplikace.<\/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\/cs\/wp-json\/wp\/v2\/standard\/9834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media\/5519"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9834"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=9834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}