{"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\/sv\/standard\/iso-719\/","title":{"rendered":"ISO 719"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Vad \u00e4r ISO 719?<\/h2>\n\n\n\n<p><strong data-start=\"1071\" data-end=\"1087\">ISO 719:2020<\/strong> \u00e4r den internationella standard som ben\u00e4mns <em data-start=\"1125\" data-end=\"1220\">\u201cGlas - Hydrolytisk best\u00e4ndighet hos glaskorn vid 98 \u00b0C - Provningsmetod och klassificering.\u201d<\/em> Det definierar ett f\u00f6rfarande f\u00f6r att testa hur motst\u00e5ndskraftiga glaskorn \u00e4r mot vatten vid f\u00f6rh\u00f6jda temperaturer. Testet m\u00e4ter den volym syra som beh\u00f6vs f\u00f6r att neutralisera alkali som extraherats fr\u00e5n en specifik glasmassa. Resultaten kan rapporteras antingen som syravolym eller som motsvarande natriumoxidinneh\u00e5ll, vilket ger en kvantifierbar grund f\u00f6r klassificering.<\/p>\n\n\n\n<p>Denna standard \u00e4r s\u00e4rskilt utformad f\u00f6r <strong data-start=\"1605\" data-end=\"1635\">mindre motst\u00e5ndskraftiga glastyper<\/strong>, s\u00e5som <strong data-start=\"1645\" data-end=\"1664\">soda-lime-glas<\/strong>, till skillnad fr\u00e5n <strong data-start=\"1673\" data-end=\"1684\">ISO 720<\/strong>, som riktar in sig p\u00e5 borosilikat och andra mer kemiskt stabila glas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hydrolytiskt resistenstest f\u00f6r glas: Varf\u00f6r det spelar roll<\/h2>\n\n\n\n<p>De <strong data-start=\"1824\" data-end=\"1864\">hydrolytiskt motst\u00e5ndstest f\u00f6r glas<\/strong> best\u00e4mmer hur mycket alkaliskt material som l\u00e4cker ut i vattnet n\u00e4r glaset uts\u00e4tts f\u00f6r h\u00f6ga temperaturer. Dessa data \u00e4r viktiga f\u00f6r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u00e4kerst\u00e4lla kemisk stabilitet hos <strong data-start=\"2032\" data-end=\"2061\">farmaceutiska beh\u00e5llare<\/strong> som ampuller, vialer och flaskor f\u00f6r oral anv\u00e4ndning.<\/li>\n\n\n\n<li>F\u00f6rhindra produktf\u00f6rs\u00e4mring orsakad av interaktion mellan f\u00f6rpackning och l\u00e4kemedel.<\/li>\n\n\n\n<li>Klassificering av glastyper baserat p\u00e5 h\u00e5llbarhet och val av l\u00e4mpliga f\u00f6rpackningsmaterial.<\/li>\n<\/ul>\n\n\n\n<p>En d\u00e5lig hydrolytisk best\u00e4ndighet kan tyda p\u00e5 en risk f\u00f6r urlakning av alkali, vilket kan \u00e4ventyra inneh\u00e5llets h\u00e5llbarhet eller s\u00e4kerhet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Testmetod f\u00f6r glasfiberkorn baserad p\u00e5 ISO 719<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Provberedning<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2601\" data-end=\"2613\">Krossning<\/strong>: Glasartiklar (gl\u00f6dgade) krossas manuellt eller mekaniskt till korn.<\/li>\n\n\n\n<li><strong data-start=\"2693\" data-end=\"2704\">Siktning<\/strong>: Kornen separeras med hj\u00e4lp av siktar p\u00e5 710 \u00b5m, 500 \u00b5m och 300 \u00b5m. Endast korn som passerar genom 500 \u00b5m men h\u00e5lls kvar p\u00e5 300 \u00b5m anv\u00e4nds.<\/li>\n\n\n\n<li><strong data-start=\"2841\" data-end=\"2853\">Reng\u00f6ring<\/strong>: Kornen tv\u00e4ttas med aceton och reng\u00f6rs i ett ultraljudsbad. De torkas sedan vid 140\u00b0C.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Testprocedur<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2978\" data-end=\"2990\">V\u00e4gning<\/strong>: 2 g rena, torra korn v\u00e4gs in i var och en av tre m\u00e4tkolvar.<\/li>\n\n\n\n<li><strong data-start=\"3069\" data-end=\"3083\">Utvinning<\/strong>: Kolvarna fylls med vatten av kvalitet 2 och v\u00e4rms i ett bad till 98\u00b0C i 60 minuter.<\/li>\n\n\n\n<li><strong data-start=\"3173\" data-end=\"3186\">Titrering<\/strong>: Efter kylning titreras en del av den supernatanta v\u00e4tskan med metylr\u00f6tt som indikator f\u00f6r att best\u00e4mma m\u00e4ngden alkali som frig\u00f6rs.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Klassificering<\/h3>\n\n\n\n<p>Baserat p\u00e5 volymen av den anv\u00e4nda titreringsv\u00e4tskan klassificeras glaset i hydrolytiska best\u00e4ndighetsklasser. H\u00f6gre volymer indikerar st\u00f6rre alkalifris\u00e4ttning, vilket tyder p\u00e5 l\u00e4gre hydrolytisk best\u00e4ndighet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Instrument i blickf\u00e5nget: GHR-01A av Cell Instruments<\/h2>\n\n\n\n<p>F\u00f6r att effektivisera <a href=\"https:\/\/www.iso.org\/standard\/77843.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 719<\/a> testprocessen och minska den manuella arbetsbelastningen, erbjuder Cell Instruments <strong data-start=\"3695\" data-end=\"3747\">GHR-01A Hydrolytisk resistanstestare f\u00f6r glaskorn<\/strong>. Den automatiserar <strong data-start=\"3766\" data-end=\"3808\">krossning och vibrationssiktning<\/strong>, vilket s\u00e4kerst\u00e4ller repeterbar och korrekt provberedning.<br><strong data-start=\"3864\" data-end=\"3881\">Nyckelfunktioner:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3885\" data-end=\"3919\">Automatiserad krossning och siktning<\/strong>: S\u00e4kerst\u00e4ller att proverna \u00e4r enhetliga och att ISO-standarderna f\u00f6ljs.<\/li>\n\n\n\n<li><strong data-start=\"3984\" data-end=\"4007\">HMI Touch-gr\u00e4nssnitt<\/strong>: F\u00f6rb\u00e4ttrar anv\u00e4ndarkontrollen och anv\u00e4ndarv\u00e4nligheten.<\/li>\n\n\n\n<li><strong data-start=\"4056\" data-end=\"4075\">S\u00e4kerhetsfunktioner<\/strong>: St\u00e4nkskydd av glas och system f\u00f6r uppsamling av avfall f\u00f6rb\u00e4ttrar s\u00e4kerheten och renligheten i laboratoriet.<\/li>\n\n\n\n<li><strong data-start=\"4167\" data-end=\"4195\">Precision och effektivitet<\/strong>: Automatiserad siktning ger mer konsekventa testprover och minimerar m\u00e4nskliga fel.<a href=\"https:\/\/www.packqc.com\/sv\/product\/sale-glass-grain-hydrolytic-resistance-tester\/\"> <\/a><\/li>\n<\/ul>\n\n\n\n<p>GHR-01A rekommenderas starkt f\u00f6r laboratorier och l\u00e4kemedelsf\u00f6retag som vill uppfylla ISO 719 och effektivisera kvalitetskontrollprocesserna.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tKontakta oss F\u00e5 ISO 719-testl\u00f6sning\t\t\t\t<\/h2>\n\n\n\n<p>ISO 719 spelar en avg\u00f6rande roll n\u00e4r det g\u00e4ller att kvalificera och klassificera glasmaterial som anv\u00e4nds i l\u00e4kemedelsf\u00f6rpackningar. Genom att f\u00f6lja denna standards procedurer kan tillverkare och laboratorier korrekt bed\u00f6ma <strong data-start=\"5254\" data-end=\"5279\">hydrolytisk best\u00e4ndighet<\/strong>, f\u00f6rb\u00e4ttra <strong data-start=\"5289\" data-end=\"5310\">kvalitetss\u00e4kring<\/strong>, och s\u00e4kerst\u00e4lla efterlevnad av regelverk. Med instrument som Cell Instruments\u2019 <strong data-start=\"5386\" data-end=\"5397\">GHR-01A<\/strong>, blir testprocessen effektivare, s\u00e4krare och mer tillf\u00f6rlitlig - vilket ger ditt laboratorium m\u00f6jlighet att uppr\u00e4tth\u00e5lla h\u00f6gsta standard f\u00f6r produkts\u00e4kerhet och prestanda.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vanliga fr\u00e5gor<\/h2>\n\n\n\n<p>1. Vad \u00e4r syftet med ISO 719?<br>ISO 719 anv\u00e4nds f\u00f6r att utv\u00e4rdera hydrolytisk best\u00e4ndighet hos glaskorn vid 98\u00b0C, vilket hj\u00e4lper till att klassificera den kemiska best\u00e4ndigheten hos olika glastyper, s\u00e4rskilt sodakalkglas.<\/p>\n\n\n\n<p>2. Vilka typer av glas \u00e4r l\u00e4mpliga f\u00f6r provning enligt ISO 719?<br>Standarden g\u00e4ller f\u00f6r mindre kemiskt resistenta glas, fr\u00e4mst sodakalkglas. Mer resistenta typer som borosilikatglas b\u00f6r testas enligt ISO 720.<\/p>\n\n\n\n<p>3. Vilken provstorlek kr\u00e4vs f\u00f6r ISO 719-provning?<br>Minst 2 gram korn per test beh\u00f6vs, med kornstorlekar mellan 300 \u00b5m och 500 \u00b5m.<\/p>\n\n\n\n<p>4. Hur f\u00f6rb\u00e4ttrar GHR-01A ISO 719-provningen?<br>GHR-01A automatiserar krossnings- och siktningsprocesser, f\u00f6rb\u00e4ttrar precisionen, minskar manuella fel och f\u00f6rb\u00e4ttrar s\u00e4kerheten och effektiviteten i laboratoriet.<\/p>\n\n\n\n<p>5. Vad tyder ett h\u00f6gt hydrolytiskt motst\u00e5nd p\u00e5?<br>H\u00f6g best\u00e4ndighet inneb\u00e4r l\u00e5g alkalil\u00e4ckage, vilket indikerar att glaset \u00e4r kemiskt stabilt och l\u00e4mpligt f\u00f6r farmaceutiska till\u00e4mpningar.<\/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\/sv\/wp-json\/wp\/v2\/standard\/9834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/media\/5519"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/media?parent=9834"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/sv\/wp-json\/wp\/v2\/standard-category?post=9834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}