{"id":4917,"date":"2021-12-15T15:07:37","date_gmt":"2021-12-15T15:07:37","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4917"},"modified":"2021-12-28T14:26:37","modified_gmt":"2021-12-28T14:26:37","slug":"can-the-reagents-that-have-been-stored-for-a-long-time-be-used","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/","title":{"rendered":"Haszn\u00e1lhat\u00f3k-e a hossz\u00fa ideig t\u00e1rolt reagensek?"},"content":{"rendered":"

Hogyan lehet meghat\u00e1rozni a reagens lej\u00e1rati idej\u00e9t?<\/p>\n\n\n\n

A reagens t\u00e9nyleges d\u00e1tuma fontos t\u00e9nyez\u0151, amely befoly\u00e1solja a k\u00eds\u00e9rleti eredm\u00e9nyek pontoss\u00e1g\u00e1t. A t\u00e9nyleges haszn\u00e1lat sor\u00e1n az emberek mindig megszokt\u00e1k, hogy a k\u00e9miai reagensek hat\u00e9konys\u00e1g\u00e1t a gy\u00e1rt\u00e1si d\u00e1tum alapj\u00e1n \u00edt\u00e9lik meg, de ez val\u00f3j\u00e1ban t\u00e9ves.<\/p>\n\n\n\n

A k\u00e9miai reagenseknek nincs szigor\u00fa szavatoss\u00e1gi idej\u00fck, mint az \u00e9lelmiszereknek \u00e9s a gy\u00f3gyszereknek. A k\u00e9miai reagenseknek \u00e1ltal\u00e1ban nincsenek konkr\u00e9t k\u00f6vetelm\u00e9nyek \u00e9s korl\u00e1toz\u00e1sok a szavatoss\u00e1gi id\u0151re vonatkoz\u00f3an. Ez azzal f\u00fcgg \u00f6ssze, hogy a k\u00e9miai reagensek eltarthat\u00f3s\u00e1gi idej\u00e9t sz\u00e1mos t\u00e9nyez\u0151 befoly\u00e1solja; a k\u00e9miai tulajdons\u00e1gok, t\u00e1rol\u00e1si k\u00f6r\u00fclm\u00e9nyek stb. alapj\u00e1n kell meghat\u00e1rozni, \u00e9s a t\u00e9nyleges munk\u00e1val kombin\u00e1lni. A k\u00f6r\u00fclm\u00e9nyek hat\u00e1rozz\u00e1k meg, hogy a reagens megromlott-e, \u00e9s hogy folyamatosan haszn\u00e1lhat\u00f3-e.<\/p>\n\n\n\n

A reagens jelleg\u00e9nek hat\u00e1sa a lej\u00e1rati id\u0151re<\/p>\n\n\n\n

A k\u00e9miai reagensek eltarthat\u00f3s\u00e1gi ideje \u00e1ltal\u00e1ban nincs felt\u00fcntetve. Annak meg\u00e1llap\u00edt\u00e1sa, hogy egy reagens romlott-e, els\u0151sorban a tapasztalaton \u00e9s az \u00faj \u00e9s a r\u00e9gi reagensek \u00f6sszehasonl\u00edt\u00f3 vizsg\u00e1lat\u00e1n alapul.<\/p>\n\n\n\n

A k\u00e9miai reagensek \u00e9rv\u00e9nyess\u00e9gi ideje nagym\u00e9rt\u00e9kben v\u00e1ltozik a vegyi anyagok k\u00e9miai tulajdons\u00e1gainak v\u00e1ltoz\u00e1s\u00e1val. Norm\u00e1l k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a k\u00e9miailag stabil anyagok hosszabb eltarthat\u00f3s\u00e1gi id\u0151vel \u00e9s egyszer\u0171bb t\u00e1rol\u00e1si felt\u00e9telekkel rendelkeznek.<\/p>\n\n\n\n

\u00c1ltal\u00e1ban k\u00f6vesse a k\u00f6vetkez\u0151 elveket (\u00e1ltal\u00e1nos elvek, nem abszol\u00fat elvek):<\/p>\n\n\n\n

1<\/p>\n\n\n\n

Szervetlen vegy\u00fcletek<\/a>, am\u00edg megfelel\u0151en t\u00e1rolj\u00e1k \u0151ket \u00e9s a csomagol\u00e1s s\u00e9rtetlen, elm\u00e9letileg hossz\u00fa ideig haszn\u00e1lhat\u00f3k. De k\u00f6nnyen oxid\u00e1l\u00f3dnak (pl. szulfit, fenol, vass\u00f3, jodid, szulfid stb.). A szil\u00e1rd vagy krist\u00e1lyos anyagokat le kell z\u00e1rni \u00e9s t\u00e1rolni, \u00e9s nem alkalmas hossz\u00fa t\u00e1v\u00fa t\u00e1rol\u00e1sra; a vizes k\u00e9nsav \u00e9s a k\u00e9nhidrog\u00e9n-sav oldatokat le kell z\u00e1rni \u00e9s t\u00e1rolni; k\u00e1lium, n\u00e1trium, feh\u00e9r foszfor Sz\u00fcks\u00e9gesebb a folyad\u00e9kkal lez\u00e1rt form\u00e1t haszn\u00e1lni), k\u00f6nnyen sz\u00e9tfoly\u00f3 anyagok, s\u00f6t\u00e9t, h\u0171v\u00f6s \u00e9s sz\u00e1raz k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt csak r\u00f6vid ideig (1-5 \u00e9vig) t\u00e1rolhat\u00f3k, att\u00f3l f\u00fcgg\u0151en, hogy a csomagol\u00e1s \u00e9s a t\u00e1rol\u00e1si felt\u00e9telek megfelelnek-e a k\u00f6vetelm\u00e9nyeknek.<\/p>\n\n\n\n

2<\/p>\n\n\n\n

A szerves, kis molekulat\u00f6meg\u0171 vegy\u00fcletek \u00e1ltal\u00e1ban ill\u00e9konyabbak, a csomagol\u00e1s l\u00e9gmentess\u00e9ge jobb, \u00e9s hossz\u00fa ideig (3-5 \u00e9vig) t\u00e1rolhat\u00f3k. Azonban k\u00f6nnyen oxid\u00e1l\u00f3dnak, h\u0151 hat\u00e1s\u00e1ra bomlanak, k\u00f6nnyen polimeriz\u00e1l\u00f3dnak, \u00e9s f\u00e9ny\u00e9rz\u00e9kenyek az anyagok. Csak r\u00f6vid ideig (1-5 \u00e9vig) t\u00e1rolhat\u00f3k s\u00f6t\u00e9t, h\u0171v\u00f6s \u00e9s sz\u00e1raz k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt, att\u00f3l f\u00fcgg\u0151en, hogy a csomagol\u00e1s \u00e9s a t\u00e1rol\u00e1si k\u00f6r\u00fclm\u00e9nyek megfelelnek-e a k\u00f6vetelm\u00e9nyeknek.<\/p>\n\n\n\n

3<\/p>\n\n\n\n

Szerves polimerek, k\u00fcl\u00f6n\u00f6sen az olyan \u00e9letanyagok, mint az olajok, poliszacharidok, feh\u00e9rj\u00e9k, enzimek<\/a>, \u00e9s peptidek, rendk\u00edv\u00fcl \u00e9rz\u00e9kenyek a mikroorganizmusok, a h\u0151m\u00e9rs\u00e9klet \u00e9s a f\u00e9ny hat\u00e1s\u00e1ra, \u00e9s elvesz\u00edtik aktivit\u00e1sukat vagy romlanak. Ez\u00e9rt azokat h\u0171tve (fagyasztva) kell t\u00e1rolni. R\u00f6videbb.<\/p>\n\n\n\n

4<\/p>\n\n\n\n

A referenciaanyagokat, standard anyagokat \u00e9s nagy tisztas\u00e1g\u00fa anyagokat elvileg szigor\u00faan a meg\u0151rz\u00e9si el\u0151\u00edr\u00e1soknak megfelel\u0151en kell t\u00e1rolni, hogy a csomagol\u00e1s s\u00e9rtetlen maradjon, ne befoly\u00e1solja a k\u00e9miai k\u00f6rnyezet, \u00e9s a t\u00e1rol\u00e1si id\u0151 ne legyen t\u00fal hossz\u00fa. \u00c1ltal\u00e1ban a referenciaanyagot az \u00e9rv\u00e9nyess\u00e9gi id\u0151n bel\u00fcl fel kell haszn\u00e1lni. A t\u00e1rol\u00e1si id\u0151 norm\u00e1l h\u0151m\u00e9rs\u00e9kleten (15\u00baC~25\u00baC) \u00e1ltal\u00e1ban nem haladja meg a 2 h\u00f3napot. A k\u00e9t h\u00f3napn\u00e1l hosszabb id\u0151tartamot haszn\u00e1lat el\u0151tt \u00fajra kell kalibr\u00e1lni vagy ellen\u0151rizni kell.<\/p>\n\n\n\n

5<\/p>\n\n\n\n

K\u00f6zepes: K\u00e9sz\u00edtse el \u00e9s steriliz\u00e1lja a t\u00e1ptalajt az el\u0151\u00edr\u00e1soknak megfelel\u0151en, h\u0171tse le szobah\u0151m\u00e9rs\u00e9kletre, \u00e9s t\u00e1rolja s\u00f6t\u00e9t helyen (lehet\u0151leg h\u0171t\u0151szekr\u00e9nyben t\u00e1rolja). Az elk\u00e9sz\u00edtett t\u00e1ptalajt 1 h\u00f3napon bel\u00fcl fel kell haszn\u00e1lni.<\/p>\n\n\n\n

6<\/p>\n\n\n\n

Elt\u00e9r\u0151 rendelkez\u00e9s hi\u00e1ny\u00e1ban a tesztoldat, a pufferoldat \u00e9s az indik\u00e1tor (folyad\u00e9k) \u00e9rv\u00e9nyess\u00e9gi ideje f\u00e9l \u00e9v.<\/p>\n\n\n\n

A mobil f\u00e1zis \u00e9s a folyad\u00e9kf\u00e1zishoz haszn\u00e1lt tiszt\u00edtott v\u00edz 15 napig \u00e9rv\u00e9nyes.<\/p>\n\n\n\n

7<\/p>\n\n\n\n

Elt\u00e9r\u0151 rendelkez\u00e9s hi\u00e1ny\u00e1ban a foly\u00e9kony reagensek a felbont\u00e1st\u00f3l sz\u00e1m\u00edtott egy \u00e9vig, a szil\u00e1rd reagensek pedig a felbont\u00e1st\u00f3l sz\u00e1m\u00edtott h\u00e1rom \u00e9vig \u00e9rv\u00e9nyesek.<\/p>\n\n\n\n

A k\u00f6rnyezeti felt\u00e9telek befoly\u00e1solj\u00e1k az \u00e9rv\u00e9nyess\u00e9gi id\u0151t<\/p>\n\n\n\n

1<\/p>\n\n\n\n

A leveg\u0151 hat\u00e1sa: A leveg\u0151ben l\u00e9v\u0151 oxig\u00e9n k\u00f6nnyen oxid\u00e1lja \u00e9s elpuszt\u00edtja a reduk\u00e1l\u00f3szert. Az er\u0151s l\u00fagos reagensek k\u00f6nnyen felvehetik a sz\u00e9n-dioxidot \u00e9s karbon\u00e1tokk\u00e1 v\u00e1lhatnak. A nedvess\u00e9g egyes reagenseket eloszlathat \u00e9s agglomer\u00e1lhat; a rostok \u00e9s a por cs\u00f6kkentheti vagy megv\u00e1ltoztathatja egyes reagensek sz\u00edn\u00e9t.<\/p>\n\n\n\n

2<\/p>\n\n\n\n

A h\u0151m\u00e9rs\u00e9klet hat\u00e1sa: A reagens roml\u00e1si sebess\u00e9ge a h\u0151m\u00e9rs\u00e9klettel f\u00fcgg. A ny\u00e1ri magas h\u0151m\u00e9rs\u00e9klet felgyors\u00edtja az instabil reagensek boml\u00e1s\u00e1t; a t\u00e9li kem\u00e9ny hideg el\u0151seg\u00edti a formaldehid polimeriz\u00e1ci\u00f3j\u00e1t \u00e9s a csapad\u00e9kos roml\u00e1st.<\/p>\n\n\n\n

3<\/p>\n\n\n\n

A f\u00e9ny hat\u00e1sa: a napf\u00e9nyben l\u00e9v\u0151 ultraibolya sugarak felgyors\u00edthatj\u00e1k bizonyos reagensek k\u00e9miai reakci\u00f3j\u00e1t, \u00e9s roml\u00e1sukhoz vezethetnek (p\u00e9ld\u00e1ul ez\u00fcsts\u00f3, higanys\u00f3, k\u00e1lium, n\u00e1trium, br\u00f3m \u00e9s j\u00f3d amm\u00f3niums\u00f3ja, valamint bizonyos fenolos reagensek).<\/p>\n\n\n\n

4<\/p>\n\n\n\n

A szennyez\u0151d\u00e9sek hat\u00e1sa. Az instabil reagensek tisztas\u00e1ga \u00e9s roml\u00e1suk hat\u00e1sa nem hagyhat\u00f3 figyelmen k\u00edv\u00fcl. P\u00e9ld\u00e1ul a tiszta higanybromidot tulajdonk\u00e9ppen nem befoly\u00e1solja a f\u00e9ny, m\u00edg a nyomokban higanybromidot vagy szerves szennyez\u0151d\u00e9seket tartalmaz\u00f3 higanybromid hajlamos feket\u00e9v\u00e9 v\u00e1lni, ha f\u00e9ny \u00e9ri.<\/p>\n\n\n\n

5<\/p>\n\n\n\n

Az eltarthat\u00f3s\u00e1gi id\u0151 hat\u00e1sa. Az instabil reagensek hossz\u00fa t\u00e1v\u00fa t\u00e1rol\u00e1s ut\u00e1n ar\u00e1nytalan polimeriz\u00e1ci\u00f3n, boml\u00e1son vagy kicsap\u00f3d\u00e1son mehetnek kereszt\u00fcl. Ha a t\u00e1rol\u00e1si \u00e9s \u00e9rv\u00e9nyess\u00e9gi id\u0151 alatt a folyad\u00e9kban rendellenes jelens\u00e9gek, mint p\u00e9ld\u00e1ul delamin\u00e1ci\u00f3, zavaross\u00e1g, elsz\u00ednez\u0151d\u00e9s \u00e9s pen\u00e9szed\u00e9s fordulnak el\u0151, amikor a mozg\u00f3f\u00e1zist a minta kimutat\u00e1s\u00e1ra haszn\u00e1lj\u00e1k, a minta retenci\u00f3s ideje vagy relat\u00edv retenci\u00f3s ideje jelent\u0151sen megv\u00e1ltozik, \u00e9s a szil\u00e1rd anyagok, p\u00e9ld\u00e1ul nedvess\u00e9gfelv\u00e9tel, elsz\u00ednez\u0151d\u00e9s stb. A rendellenes jelens\u00e9geknek abba kell hagyniuk a haszn\u00e1lat\u00e1t.<\/p>\n\n\n\n

A felhaszn\u00e1l\u00e1s hat\u00e1sa a lej\u00e1rati id\u0151re<\/p>\n\n\n\n

A k\u00e9miai reagens \u00e9rv\u00e9nyess\u00e9gi idej\u00e9t a felhaszn\u00e1l\u00e1s k\u00f6vetelm\u00e9nyei szerint \u00edt\u00e9lik meg. A legfontosabb szempont annak meg\u00edt\u00e9l\u00e9se, hogy a reagensnek van-e b\u00e1rmilyen hat\u00e1sa az eredm\u00e9nyre. Ha van hat\u00e1sa, akkor az \u00e9rv\u00e9nyess\u00e9gi id\u0151t r\u00f6vid\u00edteni kell, vagy ak\u00e1r el is kell t\u00f6r\u00f6lni.<\/p>","protected":false},"excerpt":{"rendered":"

A reagens lej\u00e1rati d\u00e1tum\u00e1nak meghat\u00e1roz\u00e1sa A reagens lej\u00e1rati d\u00e1tuma fontos t\u00e9nyez\u0151, amely befoly\u00e1solja a k\u00eds\u00e9rleti eredm\u00e9nyek pontoss\u00e1g\u00e1t. A t\u00e9nyleges haszn\u00e1lat sor\u00e1n az emberek mindig megszokt\u00e1k, hogy a k\u00e9miai reagensek hat\u00e9konys\u00e1g\u00e1t a gy\u00e1rt\u00e1si d\u00e1tum alapj\u00e1n \u00edt\u00e9lik meg, de ez val\u00f3j\u00e1ban t\u00e9ves. A k\u00e9miai reagensek nem [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4917","post","type-post","status-publish","format-standard","hentry","category-laboratory-news"],"yoast_head":"\nCan the reagents that have been stored for a long time be used? - Longchang Chemical<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/hu\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can the reagents that have been stored for a long time be used? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"How to determine the expiry date of the reagent The effective date of the reagent is an important factor that affects the accuracy of the experimental results. In actual use, people are always accustomed to judging the effectiveness of chemical reagents by the production date, but this is actually wrong. Chemical reagents do not have […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/hu\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-15T15:07:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-28T14:26:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/02\/logo-jpeg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Longchang Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/\"},\"author\":{\"name\":\"Longchang Chemical\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\"},\"headline\":\"Can the reagents that have been stored for a long time be used?\",\"datePublished\":\"2021-12-15T15:07:37+00:00\",\"dateModified\":\"2021-12-28T14:26:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/\"},\"wordCount\":918,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"articleSection\":[\"Laboratory News\"],\"inLanguage\":\"hu\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/\",\"url\":\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/\",\"name\":\"Can the reagents that have been stored for a long time be used? - Longchang Chemical\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/#website\"},\"datePublished\":\"2021-12-15T15:07:37+00:00\",\"dateModified\":\"2021-12-28T14:26:37+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#breadcrumb\"},\"inLanguage\":\"hu\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/longchangchemical.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Can the reagents that have been stored for a long time be used?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/longchangchemical.com\/#website\",\"url\":\"https:\/\/longchangchemical.com\/\",\"name\":\"Longchang Chemical\",\"description\":\"China chemical manufacturer \uff06 supplier\",\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/longchangchemical.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"hu\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/longchangchemical.com\/#organization\",\"name\":\"Longchang Chemical\",\"url\":\"https:\/\/longchangchemical.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"hu\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"width\":512,\"height\":512,\"caption\":\"Longchang Chemical\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\",\"name\":\"Longchang Chemical\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"hu\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"caption\":\"Longchang Chemical\"},\"sameAs\":[\"https:\/\/longchangchemical.com\"],\"url\":\"https:\/\/longchangchemical.com\/hu\/author\/infolongchangchemical-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Haszn\u00e1lhat\u00f3k-e a hossz\u00fa ideig t\u00e1rolt reagensek? - Longchang Chemical","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangchemical.com\/hu\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/","og_locale":"hu_HU","og_type":"article","og_title":"Can the reagents that have been stored for a long time be used? - Longchang Chemical","og_description":"How to determine the expiry date of the reagent The effective date of the reagent is an important factor that affects the accuracy of the experimental results. In actual use, people are always accustomed to judging the effectiveness of chemical reagents by the production date, but this is actually wrong. Chemical reagents do not have […]","og_url":"https:\/\/longchangchemical.com\/hu\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/","og_site_name":"Longchang Chemical","article_published_time":"2021-12-15T15:07:37+00:00","article_modified_time":"2021-12-28T14:26:37+00:00","og_image":[{"width":1000,"height":1000,"url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/02\/logo-jpeg.jpg","type":"image\/jpeg"}],"author":"Longchang Chemical","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#article","isPartOf":{"@id":"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/"},"author":{"name":"Longchang Chemical","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e"},"headline":"Can the reagents that have been stored for a long time be used?","datePublished":"2021-12-15T15:07:37+00:00","dateModified":"2021-12-28T14:26:37+00:00","mainEntityOfPage":{"@id":"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/"},"wordCount":918,"commentCount":0,"publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"articleSection":["Laboratory News"],"inLanguage":"hu","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/","url":"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/","name":"Haszn\u00e1lhat\u00f3k-e a hossz\u00fa ideig t\u00e1rolt reagensek? - Longchang Chemical","isPartOf":{"@id":"https:\/\/longchangchemical.com\/#website"},"datePublished":"2021-12-15T15:07:37+00:00","dateModified":"2021-12-28T14:26:37+00:00","breadcrumb":{"@id":"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#breadcrumb"},"inLanguage":"hu","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/longchangchemical.com\/can-the-reagents-that-have-been-stored-for-a-long-time-be-used\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangchemical.com\/"},{"@type":"ListItem","position":2,"name":"Can the reagents that have been stored for a long time be used?"}]},{"@type":"WebSite","@id":"https:\/\/longchangchemical.com\/#website","url":"https:\/\/longchangchemical.com\/","name":"Longchang Chemical","description":"K\u00edna k\u00e9miai gy\u00e1rt\u00f3 \uff06 sz\u00e1ll\u00edt\u00f3","publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangchemical.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"hu"},{"@type":"Organization","@id":"https:\/\/longchangchemical.com\/#organization","name":"Longchang Chemical","url":"https:\/\/longchangchemical.com\/","logo":{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","width":512,"height":512,"caption":"Longchang Chemical"},"image":{"@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e","name":"Longchang Chemical","image":{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","caption":"Longchang Chemical"},"sameAs":["https:\/\/longchangchemical.com"],"url":"https:\/\/longchangchemical.com\/hu\/author\/infolongchangchemical-com\/"}]}},"_links":{"self":[{"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/posts\/4917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/comments?post=4917"}],"version-history":[{"count":3,"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/posts\/4917\/revisions"}],"predecessor-version":[{"id":4950,"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/posts\/4917\/revisions\/4950"}],"wp:attachment":[{"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/media?parent=4917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/categories?post=4917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangchemical.com\/hu\/wp-json\/wp\/v2\/tags?post=4917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}