{"id":5535,"date":"2025-03-05T11:43:02","date_gmt":"2025-03-05T03:43:02","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=5535"},"modified":"2025-01-10T15:23:34","modified_gmt":"2025-01-10T07:23:34","slug":"cleaning-drying-and-use-of-laboratory-glassware-explained","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/is\/cleaning-drying-and-use-of-laboratory-glassware-explained\/","title":{"rendered":"\u00datsk\u00fdring \u00e1 hreinsun, \u00feurrkun og notkun ranns\u00f3knarstofugler\u00e1halda"},"content":{"rendered":"<p>\u00deessi grein veitir n\u00e1kv\u00e6ma \u00fatsk\u00fdringu \u00e1 hreinsun, \u00feurrkun og notkun a\u00f0fer\u00f0a fyrir ranns\u00f3knargler. H\u00fan er skipt \u00ed \u00ferj\u00e1 hluta til a\u00f0 au\u00f0velda skilning og notkun.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">I. Hreinsun gler\u00e1halda<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Hristu vatns\u00fevott<\/h4>\n\n\n\n<p><em>Grunnsk\u00fdring \u00e1 hrista vatns\u00fevotta\u00f0fer\u00f0inni.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Burstun fyrir \u00ferj\u00f3sk bletti<\/h4>\n\n\n\n<p>Ef efni eru \u00e1 innri veggnum sem ekki er au\u00f0velt a\u00f0 fjarl\u00e6gja, nota\u00f0u bursta til a\u00f0 hreinsa. Ferli\u00f0 felur \u00ed s\u00e9r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Farga fyrst \u00fargangsv\u00f6kvanum.<\/li>\n\n\n\n<li>A\u00f0 b\u00e6ta vi\u00f0 helmingi vatnsins.<\/li>\n\n\n\n<li>A\u00f0 velja vi\u00f0eigandi bursta og halda honum r\u00e9tt til a\u00f0 skr\u00faba.<\/li>\n\n\n\n<li><strong>Endurtaktu ferli\u00f0 eftir \u00fe\u00f6rfum \u00fear til gler\u00e1h\u00f6ldin eru algerlega hreinsu\u00f0.<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Hreinsunarmynd: (mynd merkt \u201cWashing 2.1.png\u201d)<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. S\u00ed\u00f0asta skolun<\/h4>\n\n\n\n<p>Eftir burstun skoli\u00f0 glerv\u00f6rurnar me\u00f0 \u00fev\u00ed a\u00f0 hrista \u00fe\u00e6r nokkrum sinnum me\u00f0 vatni. Ef \u00fe\u00f6rf krefur, skoli\u00f0 \u00fe\u00e6r \u00ferisvar sinnum me\u00f0 distilleru\u00f0u vatni. \u00cd hreinu \u00e1standi dreifist vatni\u00f0 jafnt \u00e1n \u00feess a\u00f0 mynda dropa (eins og s\u00fdnt er \u00ed vinstri myndinni), en \u00ed \u00f3hreinu \u00e1standi ver\u00f0a vatnsdropar eftir \u00e1 yfirbor\u00f0inu (eins og s\u00fdnt er \u00ed h\u00e6gri myndinni).<\/p>\n\n\n\n<p>Ef gler\u00e1h\u00f6ld innihalda vatns\u00f3leysanleg efni eins og l\u00fatarefni, karb\u00f3n\u00f6t e\u00f0a bas\u00edska ox\u00ed\u00f0a, b\u00e6ti\u00f0 fyrst salts\u00fdru \u00fat \u00ed til a\u00f0 leysa \u00feau upp, og skoli\u00f0 s\u00ed\u00f0an me\u00f0 vatni. Ef fita e\u00f0a ol\u00eda er til sta\u00f0ar, noti\u00f0 heitt natr\u00edumkarb\u00f3natlausn og bursti\u00f0. Annars noti\u00f0 bursta me\u00f0 sm\u00e1 s\u00e1pu. Fyrir mj\u00f3h\u00e1lsgr\u00e6jur sem erfitt er a\u00f0 bursta, skoli\u00f0 me\u00f0 litlu magni af kongenialvatni (aqua regia) e\u00f0a kr\u00f3ms\u00fdruupplausn. Ef \u00feessar a\u00f0fer\u00f0ir breg\u00f0ast enn, l\u00e1ti\u00f0 hlutinn liggja \u00ed \u00fe\u00e9ttari upplausn og skoli\u00f0 s\u00ed\u00f0an me\u00f0 vatni.<\/p>\n\n\n\n<p><strong>\u00d6ryggisr\u00e1\u00f0: Hentu\u00f0u alltaf \u00fargangsv\u00f6kva \u00e1\u00f0ur en \u00fe\u00fa b\u00e6tir vatni og for\u00f0astu a\u00f0 \u00fer\u00edfa fleiri en eina pr\u00f3fr\u00f6r samt\u00edmis.<\/strong><br><strong>Vi\u00f0b\u00f3tar \u00f6ryggisminning: \u00deegar unni\u00f0 er me\u00f0 t\u00e6randi lausnir, svo sem salts\u00fdru e\u00f0a k\u00f3ngss\u00fdru, skaltu nota hl\u00edf\u00f0ahanska og gleraugu til a\u00f0 koma \u00ed veg fyrir h\u00fa\u00f0- e\u00f0a augnska\u00f0a.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">II. \u00deurrkun gler\u00e1halda<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Loft\u00feurrkun (vinstri mynd) vs. ofn\u00feurrkun (h\u00e6gri mynd)<\/h4>\n\n\n\n<p><em>\u00datsk\u00fdring \u00e1 n\u00e1tt\u00farulegum loft\u00feurrkunar- og ofn\u00feurrkunara\u00f0fer\u00f0um.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Bl\u00e1setning (vinstri mynd) vs. hitaloft\u00feurrkun (h\u00e6gri mynd)<\/h4>\n\n\n\n<p><em>\u00datsk\u00fdring \u00e1 notkun \u00fejappa\u00f0s lofts og heits lofts til \u00feurrkunar.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. Loftstreymis\u00feurrkun (vinstri mynd) vs. hra\u00f0\u00feurrkun (h\u00e6gri mynd)<\/h4>\n\n\n\n<p><em>\u00datsk\u00fdring \u00e1 loftstreymis\u00feurrkun og hra\u00f0ri \u00feurrkun.<\/em><\/p>\n\n\n\n<p><strong>Tillaga a\u00f0 myndskreytingu: \u00cdhuga\u00f0u a\u00f0 b\u00e6ta vi\u00f0 sk\u00fdrum myndritum e\u00f0a lj\u00f3smyndum af hverri \u00feurrkunara\u00f0fer\u00f0 til a\u00f0 hj\u00e1lpa notendum a\u00f0 skilja betur muninn og hagn\u00fdta notkun.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">III. Notkun algengs gler\u00e1halds<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. S\u00edr\u00f3ptankur og m\u00e6libolli<\/h4>\n\n\n\n<p><em>\u00datsk\u00fdring \u00e1 notkunarlei\u00f0beiningum fyrir m\u00e6lingu v\u00f6kva me\u00f0 m\u00e6ligl\u00f6sum og m\u00e6libollum.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Pipetta<\/h4>\n\n\n\n<p>Var\u00fa\u00f0arr\u00e1\u00f0stafanir vi\u00f0 notkun pipettu fela \u00ed s\u00e9r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Veldu p\u00edpetu af vi\u00f0eigandi st\u00e6r\u00f0 mi\u00f0a\u00f0 vi\u00f0 nau\u00f0synlegan r\u00famm\u00e1l (t.d. fyrir 1,5 ml v\u00f6kva er 2 ml p\u00edpetan n\u00e1kv\u00e6mari en 5 ml p\u00edpetan).<\/li>\n\n\n\n<li>\u00deegar \u00fe\u00fa dregur v\u00f6kva skaltu stinga pipettunni \u00ed lausnina til a\u00f0 for\u00f0ast a\u00f0 d\u00e6la lofti, sem g\u00e6ti valdi\u00f0 yfelfl\u00e6\u00f0i.<\/li>\n\n\n\n<li>Eftir a\u00f0 hafa fjarl\u00e6gt p\u00edpetuna \u00far v\u00f6kvanum, \u00feurrka\u00f0u ytri vegginn me\u00f0 s\u00edupapp\u00edr \u00e1\u00f0ur en \u00fe\u00fa hellir v\u00f6kvanum.<\/li>\n\n\n\n<li>Ekki d\u00e6la leysiefni e\u00f0a lausn beint \u00far fl\u00f6skunni me\u00f0 pipettunni. \u00d6ll eftirst\u00f6\u00f0var leysiefnis e\u00f0a lausnar skulu farga\u00f0ar sem \u00fargangur, ekki skila\u00f0ar aftur \u00ed geymslufl\u00f6skuna.<\/li>\n<\/ul>\n\n\n\n<p><strong>Myndbirtingartillaga: Bj\u00f3\u00f0i\u00f0 upp \u00e1 mynd sem s\u00fdnir r\u00e9ttar og rangar a\u00f0fer\u00f0ir vi\u00f0 notkun pipettu.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. Buretta<\/h4>\n\n\n\n<p>A\u00f0ger\u00f0askrefin eru: hreinsun \u2192 \u00e1bur\u00f0 \u00e1 Vaseline \u2192 lekapr\u00f3f \u2192 fylling me\u00f0 vinnulausni \u2192 loftun b\u00far\u00e9ttsins \u2192 titrimetri.<\/p>\n\n\n\n<p><strong>\u00d6ryggisr\u00e1\u00f0: \u00deegar Vaseline er nota\u00f0 til \u00fe\u00e9ttingar skaltu ganga \u00far skugga um a\u00f0 lausnin s\u00e9 ekki mengu\u00f0, \u00fev\u00ed \u00fea\u00f0 g\u00e6ti haft \u00e1hrif \u00e1 n\u00e1kv\u00e6mni titrimet\u00edru.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. M\u00e6liglas<\/h4>\n\n\n\n<p>\u00c1\u00f0ur en nota skal r\u00famm\u00e1lsfl\u00f6sku, athuga\u00f0u hvort st\u00edllinn leki. H\u00e6fur st\u00edll skal festast um fl\u00f6skuh\u00e1lsinn og m\u00e1 ekki skipta honum \u00fat handah\u00f3fskennt. Ef vatnsdropar sitja fyrir ofan kal\u00edberunarm\u00f6rkin \u00e1 innri veggnum getur \u00fea\u00f0 haft \u00e1hrif \u00e1 n\u00e1kv\u00e6mni, svo fl\u00f6skuna skal hreinsa vandlega. \u00d6ll f\u00f6st efni sem \u00e1 a\u00f0 vega skal leysa upp \u00ed litlum bickeri fyrst og s\u00ed\u00f0an flytja \u00ed r\u00famm\u00e1lsfl\u00f6sku eftir k\u00f3lnun \u00ed stofuhita. Fl\u00f6skuna m\u00e1 aldrei hita e\u00f0a \u00feurrka \u00ed ofni.<\/p>\n\n\n\n<p><strong>Myndb\u00f3ta\u00e1st\u00e6\u00f0a: B\u00e6ttu vi\u00f0 mynd sem s\u00fdnir r\u00e9ttu a\u00f0fer\u00f0ina vi\u00f0 a\u00f0 blanda lausnina \u00ed r\u00famm\u00e1lsfl\u00f6skunni.<\/strong><\/p>\n\n\n\n<p><strong>Vi\u00f0b\u00f3tarr\u00e1\u00f0: Gakktu \u00far skugga um a\u00f0 allar r\u00famm\u00e1lsa\u00f0ger\u00f0ir s\u00e9u framkv\u00e6mdar vi\u00f0 stofuhita til a\u00f0 vi\u00f0halda n\u00e1kv\u00e6mni lausnarinnar.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>This article provides a detailed explanation of the cleaning, drying, and usage methods for laboratory glassware. It is divided into three parts to facilitate understanding and application. I. Cleaning of Glassware 1. Shaking Water Wash Basic explanation of the shaking water wash method. 2. Brushing for Stubborn Stains If there are substances on the inner [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5538,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"25","_seopress_titles_title":"Cleaning, Drying, and Use of Laboratory Glassware Explained","_seopress_titles_desc":"Learn essential methods for cleaning, drying, and using lab glassware, including pipettes, burettes, and flasks, ensuring accuracy and safety in lab 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Casper","author_link":"https:\/\/globalquartztube.com\/is\/author\/casper-peng\/"},"uagb_comment_info":1,"uagb_excerpt":"This article provides a detailed explanation of the cleaning, drying, and usage methods for laboratory glassware. It is divided into three parts to facilitate understanding and application. I. Cleaning of Glassware 1. Shaking Water Wash Basic explanation of the shaking water wash method. 2. Brushing for Stubborn Stains If there are substances on the inner&hellip;","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts\/5535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/comments?post=5535"}],"version-history":[{"count":1,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts\/5535\/revisions"}],"predecessor-version":[{"id":5539,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/posts\/5535\/revisions\/5539"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/media\/5538"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/media?parent=5535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/categories?post=5535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/tags?post=5535"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/is\/wp-json\/wp\/v2\/ppma_author?post=5535"}],"curies":[{"name":"vp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}