{"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\/sl\/standard\/iso-719\/","title":{"rendered":"ISO 719"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Kaj je ISO 719?<\/h2>\n\n\n\n<p><strong data-start=\"1071\" data-end=\"1087\">ISO 719:2020<\/strong> je mednarodni standard z naslovom <em data-start=\"1125\" data-end=\"1220\">\"Steklo - Hidroliti\u010dna odpornost steklenih zrn pri 98 \u00b0C - Preskusna metoda in klasifikacija.\"<\/em> Dolo\u010da postopek za presku\u0161anje odpornosti steklenih zrn proti vodi pri povi\u0161anih temperaturah. Test meri koli\u010dino kisline, ki je potrebna za nevtralizacijo alkalije, pridobljene iz dolo\u010dene mase stekla. Rezultate je mogo\u010de navesti glede na koli\u010dino kisline ali ekvivalentno vsebnost natrijevega oksida, kar zagotavlja merljivo podlago za razvr\u0161\u010danje.<\/p>\n\n\n\n<p>Ta standard je namenjen zlasti za <strong data-start=\"1605\" data-end=\"1635\">manj odporne vrste stekla<\/strong>, kot je npr. <strong data-start=\"1645\" data-end=\"1664\">soda-limetni kozarec<\/strong>za razliko od <strong data-start=\"1673\" data-end=\"1684\">ISO 720<\/strong>, ki je namenjen borosilikatnim in drugim kemi\u010dno stabilnej\u0161im steklom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Preskus hidrolitske odpornosti stekla: Zakaj je pomemben?<\/h2>\n\n\n\n<p>The <strong data-start=\"1824\" data-end=\"1864\">preskus hidrolitske odpornosti stekla<\/strong> dolo\u010da, koliko alkalnega materiala se izlo\u010di v vodo, ko je steklo izpostavljeno visokim temperaturam. Ti podatki so bistveni za:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zagotavljanje kemijske stabilnosti <strong data-start=\"2032\" data-end=\"2061\">farmacevtske posode<\/strong> kot so ampule, viale in ustne stekleni\u010dke.<\/li>\n\n\n\n<li>Prepre\u010devanje razgradnje izdelka zaradi interakcije med embala\u017eo in zdravilom.<\/li>\n\n\n\n<li>Razvr\u0161\u010danje vrst stekla glede na trajnost in izbira ustreznih embala\u017enih materialov.<\/li>\n<\/ul>\n\n\n\n<p>Slaba ocena hidrolitske odpornosti lahko ka\u017ee na nevarnost alkalnega izpiranja, ki lahko ogrozi rok uporabnosti ali varnost vsebine.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Postopek presku\u0161anja steklenih zrn na podlagi standarda ISO 719<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Priprava vzorca<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2601\" data-end=\"2613\">Drobljenje<\/strong>: Stekleni izdelki (\u017earjeni) se ro\u010dno ali mehansko zdrobijo v zrna.<\/li>\n\n\n\n<li><strong data-start=\"2693\" data-end=\"2704\">Sejanje<\/strong>: Zrna se lo\u010dijo s siti velikosti 710 \u00b5m, 500 \u00b5m in 300 \u00b5m. Uporabijo se samo zrna, ki gredo skozi 500 \u00b5m, vendar se zadr\u017eijo na 300 \u00b5m.<\/li>\n\n\n\n<li><strong data-start=\"2841\" data-end=\"2853\">\u010ci\u0161\u010denje<\/strong>: Zrna se sperejo z acetonom in o\u010distijo v ultrazvo\u010dni kopeli. Nato se posu\u0161ijo pri 140 \u00b0C.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Postopek testiranja<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2978\" data-end=\"2990\">Tehtanje<\/strong>: 2 g \u010distih, suhih zrn odtehtamo v vsako od treh merilnih bu\u010dk.<\/li>\n\n\n\n<li><strong data-start=\"3069\" data-end=\"3083\">Ekstrakcija<\/strong>: Bu\u010dke napolnimo z vodo razreda 2 in jih 60 minut segrevamo v kopeli na 98 \u00b0C.<\/li>\n\n\n\n<li><strong data-start=\"3173\" data-end=\"3186\">Titracija<\/strong>: Po ohladitvi se del supernatantne teko\u010dine titrira z metil rde\u010dim kot indikatorjem, da se dolo\u010di koli\u010dina spro\u0161\u010dene alkalije.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Razvrstitev<\/h3>\n\n\n\n<p>Glede na koli\u010dino uporabljenega titranta se steklo razvrsti v razrede hidrolitske odpornosti. Ve\u010dji volumni pomenijo ve\u010dje spro\u0161\u010danje alkalij, kar ka\u017ee na manj\u0161o hidrolitsko odpornost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Osrednja pozornost instrumenta: GHR-01A s strani Cell Instruments<\/h2>\n\n\n\n<p>za racionalizacijo <a href=\"https:\/\/www.iso.org\/standard\/77843.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 719<\/a> proces testiranja in zmanj\u0161anje ro\u010dne delovne obremenitve, Cell Instruments ponuja <strong data-start=\"3695\" data-end=\"3747\">GHR-01A Tester hidrolitske odpornosti steklenih zrn<\/strong>. Avtomatizira <strong data-start=\"3766\" data-end=\"3808\">postopek drobljenja in vibracijskega presejanja<\/strong>, kar zagotavlja ponovljivo in natan\u010dno pripravo vzorcev.<br><strong data-start=\"3864\" data-end=\"3881\">Klju\u010dne zna\u010dilnosti:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3885\" data-end=\"3919\">Avtomatizirano drobljenje in presejanje<\/strong>: Zagotavlja enotnost vzorca in skladnost s standardi ISO.<\/li>\n\n\n\n<li><strong data-start=\"3984\" data-end=\"4007\">Vmesnik na dotik HMI<\/strong>: Izbolj\u0161uje nadzor in enostavnost upravljanja s strani uporabnika.<\/li>\n\n\n\n<li><strong data-start=\"4056\" data-end=\"4075\">Varnostne funkcije<\/strong>: Stekleni \u0161\u010ditniki za brizganje in sistemi za zbiranje odpadkov izbolj\u0161ujejo varnost in \u010disto\u010do v laboratoriju.<\/li>\n\n\n\n<li><strong data-start=\"4167\" data-end=\"4195\">Natan\u010dnost in u\u010dinkovitost<\/strong>: Avtomatizirano presejanje zagotavlja bolj konsistentne preskusne vzorce in zmanj\u0161uje \u0161tevilo \u010dlove\u0161kih napak.<a href=\"https:\/\/www.packqc.com\/sl\/product\/sale-glass-grain-hydrolytic-resistance-tester\/\"> <\/a><\/li>\n<\/ul>\n\n\n\n<p>GHR-01A je zelo priporo\u010dljiv za laboratorije in farmacevtska podjetja, ki \u017eelijo izpolnjevati zahteve standarda ISO 719 in racionalizirati postopke nadzora kakovosti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tKontaktirajte nas Pridobite re\u0161itev za testiranje ISO 719\t\t\t\t<\/h2>\n\n\n\n<p>ISO 719 ima klju\u010dno vlogo pri razvr\u0161\u010danju steklenih materialov, ki se uporabljajo v farmacevtski embala\u017ei. Z upo\u0161tevanjem postopkov tega standarda lahko proizvajalci in laboratoriji natan\u010dno ocenijo <strong data-start=\"5254\" data-end=\"5279\">hidrolitska odpornost<\/strong>, izbolj\u0161ati <strong data-start=\"5289\" data-end=\"5310\">zagotavljanje kakovosti<\/strong>in zagotavljanje skladnosti s predpisi. Z instrumenti, kot je Cell Instruments' <strong data-start=\"5386\" data-end=\"5397\">GHR-01A<\/strong>, postane postopek presku\u0161anja u\u010dinkovitej\u0161i, varnej\u0161i in zanesljivej\u0161i, kar va\u0161emu laboratoriju omogo\u010da, da ohrani najvi\u0161je standarde varnosti in u\u010dinkovitosti izdelkov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">pogosta vpra\u0161anja<\/h2>\n\n\n\n<p>1. Kak\u0161en je namen standarda ISO 719?<br>Standard ISO 719 se uporablja za ocenjevanje hidrolitske odpornosti steklenih zrn pri 98 \u00b0C, kar pomaga pri razvr\u0161\u010danju kemi\u010dne obstojnosti vrst stekla, zlasti natrijevega stekla.<\/p>\n\n\n\n<p>2. Katere vrste stekla so primerne za presku\u0161anje po standardu ISO 719?<br>Standard velja za kemijsko manj odporna stekla, predvsem natrijevega stekla. Odpornej\u0161e vrste, kot je borosilikatno steklo, je treba preskusiti po standardu ISO 720.<\/p>\n\n\n\n<p>3. Kak\u0161na velikost vzorca je potrebna za presku\u0161anje po standardu ISO 719?<br>Za vsak test sta potrebna vsaj 2 grama zrn z velikostjo zrn med 300 \u00b5m in 500 \u00b5m.<\/p>\n\n\n\n<p>4. Kako GHR-01A izbolj\u0161a testiranje po standardu ISO 719?<br>GHR-01A avtomatizira postopke drobljenja in presejanja, izbolj\u0161uje natan\u010dnost, zmanj\u0161uje \u0161tevilo ro\u010dnih napak ter pove\u010duje varnost in u\u010dinkovitost laboratorija.<\/p>\n\n\n\n<p>5. Na kaj ka\u017ee visoka hidrolitska odpornost?<br>Visoka odpornost pomeni majhno alkali\u010dno izpiranje, kar pomeni, da je steklo kemi\u010dno stabilno in primerno za farmacevtske aplikacije.<\/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\/sl\/wp-json\/wp\/v2\/standard\/9834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/media\/5519"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/media?parent=9834"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/sl\/wp-json\/wp\/v2\/standard-category?post=9834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}