{"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\/cs\/cleaning-drying-and-use-of-laboratory-glassware-explained\/","title":{"rendered":"Vysv\u011btlen\u00ed \u010di\u0161t\u011bn\u00ed, su\u0161en\u00ed a pou\u017e\u00edv\u00e1n\u00ed laboratorn\u00edho skla"},"content":{"rendered":"<p>Tento \u010dl\u00e1nek podrobn\u011b vysv\u011btluje metody \u010di\u0161t\u011bn\u00ed, su\u0161en\u00ed a pou\u017e\u00edv\u00e1n\u00ed laboratorn\u00edho skla. Je rozd\u011blen do t\u0159\u00ed \u010d\u00e1st\u00ed, kter\u00e9 usnad\u0148uj\u00ed pochopen\u00ed a pou\u017eit\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">I. \u010ci\u0161t\u011bn\u00ed sklen\u011bn\u00e9ho n\u00e1dob\u00ed<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. T\u0159ep\u00e1n\u00ed vody<\/h4>\n\n\n\n<p><em>Z\u00e1kladn\u00ed vysv\u011btlen\u00ed metody prom\u00fdv\u00e1n\u00ed t\u0159epac\u00ed vodou.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Kart\u00e1\u010dov\u00e1n\u00ed odoln\u00fdch skvrn<\/h4>\n\n\n\n<p>Pokud jsou na vnit\u0159n\u00ed st\u011bn\u011b l\u00e1tky, kter\u00e9 nelze snadno odstranit, pou\u017eijte k \u010di\u0161t\u011bn\u00ed kart\u00e1\u010d. Postup zahrnuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nejprve zlikvidujte odpadn\u00ed kapalinu.<\/li>\n\n\n\n<li>P\u0159idejte polovi\u010dn\u00ed mno\u017estv\u00ed vody.<\/li>\n\n\n\n<li>V\u00fdb\u011br vhodn\u00e9ho kart\u00e1\u010de a jeho spr\u00e1vn\u00e9 dr\u017een\u00ed p\u0159i drhnut\u00ed.<\/li>\n\n\n\n<li><strong>Postup opakujte podle pot\u0159eby, dokud nebude sklo d\u016fkladn\u011b vy\u010di\u0161t\u011bno.<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Ilustrace \u010di\u0161t\u011bn\u00ed: (obr\u00e1zek ozna\u010den\u00fd \"Washing 2.1.png\")<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. Z\u00e1v\u011bre\u010dn\u00e9 opl\u00e1chnut\u00ed<\/h4>\n\n\n\n<p>Po vy\u010di\u0161t\u011bn\u00ed kart\u00e1\u010dkem sklen\u011bn\u00e9 n\u00e1dob\u00ed n\u011bkolikr\u00e1t propl\u00e1chn\u011bte vodou. V p\u0159\u00edpad\u011b pot\u0159eby pou\u017eijte k opl\u00e1chnut\u00ed t\u0159ikr\u00e1t destilovanou vodu. V \u010dist\u00e9m stavu se voda rovnom\u011brn\u011b rozprost\u0159e, ani\u017e by se tvo\u0159ily kapi\u010dky (jak je zn\u00e1zorn\u011bno na lev\u00e9m obr\u00e1zku), zat\u00edmco v ne\u010dist\u00e9m stavu z\u016fstanou na povrchu kapi\u010dky vody (jak je zn\u00e1zorn\u011bno na prav\u00e9m obr\u00e1zku).<\/p>\n\n\n\n<p>Pokud sklen\u011bn\u00e9 n\u00e1dob\u00ed obsahuje l\u00e1tky nerozpustn\u00e9 ve vod\u011b, jako jsou alk\u00e1lie, uhli\u010ditany nebo z\u00e1sadit\u00e9 oxidy, p\u0159idejte nejprve kyselinu chlorovod\u00edkovou, aby se rozpustily, a pot\u00e9 je opl\u00e1chn\u011bte vodou. Pokud je v n\u00e1dob\u00ed p\u0159\u00edtomna mastnota nebo olej, pou\u017eijte hork\u00fd roztok uhli\u010ditanu sodn\u00e9ho a n\u00e1sledn\u011b jej vykart\u00e1\u010dujte. P\u0159\u00edpadn\u011b pou\u017eijte kart\u00e1\u010d s mal\u00fdm mno\u017estv\u00edm \u010distic\u00edho prost\u0159edku. N\u00e1stroje s \u00fazk\u00fdm hrdlem, kter\u00e9 se obt\u00ed\u017en\u011b kart\u00e1\u010duj\u00ed, opl\u00e1chn\u011bte mal\u00fdm mno\u017estv\u00edm roztoku aqua regia nebo kyseliny chromov\u00e9. Pokud tyto metody p\u0159esto sel\u017eou, namo\u010dte p\u0159edm\u011bt do koncentrovan\u011bj\u0161\u00edho roztoku a pot\u00e9 opl\u00e1chn\u011bte vodou.<\/p>\n\n\n\n<p><strong>Bezpe\u010dnostn\u00ed tip: P\u0159ed p\u0159id\u00e1n\u00edm vody v\u017edy zlikvidujte odpadn\u00ed kapalinu a vyhn\u011bte se \u010di\u0161t\u011bn\u00ed v\u00edce zkumavek sou\u010dasn\u011b.<\/strong><br><strong>Dal\u0161\u00ed bezpe\u010dnostn\u00ed upozorn\u011bn\u00ed: P\u0159i manipulaci s \u017e\u00edrav\u00fdmi roztoky, jako je kyselina chlorovod\u00edkov\u00e1 nebo aqua regia, pou\u017e\u00edvejte ochrann\u00e9 rukavice a br\u00fdle, abyste zabr\u00e1nili poran\u011bn\u00ed k\u016f\u017ee nebo o\u010d\u00ed.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">II. Su\u0161en\u00ed sklen\u011bn\u00fdch v\u00fdrobk\u016f<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Su\u0161en\u00ed na vzduchu (lev\u00fd obr\u00e1zek) vs. su\u0161en\u00ed v troub\u011b (prav\u00fd obr\u00e1zek)<\/h4>\n\n\n\n<p><em>Vysv\u011btlen\u00ed metod su\u0161en\u00ed p\u0159irozen\u00fdm vzduchem a su\u0161en\u00ed v su\u0161\u00e1rn\u011b.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Su\u0161en\u00ed fouk\u00e1n\u00edm (lev\u00fd obr\u00e1zek) vs. su\u0161en\u00ed vyh\u0159\u00edv\u00e1n\u00edm (prav\u00fd obr\u00e1zek)<\/h4>\n\n\n\n<p><em>Vysv\u011btlen\u00ed pou\u017eit\u00ed stla\u010den\u00e9ho vzduchu a oh\u0159\u00e1t\u00e9ho vzduchu pro su\u0161en\u00ed.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. Su\u0161en\u00ed proudem vzduchu (lev\u00fd obr\u00e1zek) vs. rychl\u00e9 su\u0161en\u00ed (prav\u00fd obr\u00e1zek)<\/h4>\n\n\n\n<p><em>Vysv\u011btlen\u00ed technik su\u0161en\u00ed zalo\u017een\u00fdch na proud\u011bn\u00ed vzduchu a rychl\u00e9ho su\u0161en\u00ed.<\/em><\/p>\n\n\n\n<p><strong>N\u00e1vrh ilustrace: Zva\u017ete p\u0159id\u00e1n\u00ed p\u0159ehledn\u00fdch sch\u00e9mat nebo fotografi\u00ed jednotliv\u00fdch metod su\u0161en\u00ed, abyste u\u017eivatel\u016fm pomohli l\u00e9pe pochopit rozd\u00edly a praktick\u00e9 vyu\u017eit\u00ed.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">III. Pou\u017e\u00edv\u00e1n\u00ed b\u011b\u017en\u00e9ho skla<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Odm\u011brn\u00fd v\u00e1lec a odm\u011brka<\/h4>\n\n\n\n<p><em>Vysv\u011btlen\u00ed pokyn\u016f pro m\u011b\u0159en\u00ed kapalin pomoc\u00ed odm\u011brn\u00fdch v\u00e1lc\u016f a odm\u011brn\u00fdch poh\u00e1r\u016f.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Pipeta<\/h4>\n\n\n\n<p>Opat\u0159en\u00ed pro pou\u017e\u00edv\u00e1n\u00ed pipety zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zvolte pipetu vhodn\u00e9 velikosti podle pot\u0159ebn\u00e9ho objemu (nap\u0159. pro 1,5 ml kapaliny je p\u0159esn\u011bj\u0161\u00ed 2 ml pipeta ne\u017e 5 ml).<\/li>\n\n\n\n<li>P\u0159i \u010derp\u00e1n\u00ed kapaliny zasu\u0148te pipetu do roztoku, abyste zabr\u00e1nili nas\u00e1t\u00ed vzduchu, kter\u00fd by mohl zp\u016fsobit p\u0159ete\u010den\u00ed.<\/li>\n\n\n\n<li>Po vyjmut\u00ed pipety z kapaliny ot\u0159ete p\u0159ed d\u00e1vkov\u00e1n\u00edm kapaliny vn\u011bj\u0161\u00ed st\u011bnu filtra\u010dn\u00edm pap\u00edrem.<\/li>\n\n\n\n<li>Nenab\u00edrejte rozpou\u0161t\u011bdlo nebo roztok pipetou p\u0159\u00edmo z lahvi\u010dky. Jak\u00e9koli zb\u00fdvaj\u00edc\u00ed rozpou\u0161t\u011bdlo nebo roztok by m\u011bly b\u00fdt zlikvidov\u00e1ny jako odpad, nikoli vr\u00e1ceny do lahvi\u010dky.<\/li>\n<\/ul>\n\n\n\n<p><strong>N\u00e1vrh ilustrace: Uve\u010fte obr\u00e1zek zn\u00e1zor\u0148uj\u00edc\u00ed spr\u00e1vn\u00fd a nespr\u00e1vn\u00fd zp\u016fsob pou\u017eit\u00ed pipety.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. Byreta<\/h4>\n\n\n\n<p>Provozn\u00ed kroky zahrnuj\u00ed: \u010di\u0161t\u011bn\u00ed \u2192 nanesen\u00ed vazel\u00edny \u2192 kontrolu t\u011bsnosti \u2192 napln\u011bn\u00ed provozn\u00edm roztokem \u2192 odvzdu\u0161n\u011bn\u00ed byrety \u2192 titraci.<\/p>\n\n\n\n<p><strong>Bezpe\u010dnostn\u00ed tip: P\u0159i pou\u017eit\u00ed vazel\u00edny k ut\u011bsn\u011bn\u00ed se ujist\u011bte, \u017ee roztok nen\u00ed kontaminov\u00e1n, proto\u017ee by to mohlo ovlivnit p\u0159esnost titrace.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. Odm\u011brn\u00e1 ba\u0148ka<\/h4>\n\n\n\n<p>P\u0159ed pou\u017eit\u00edm odm\u011brn\u00e9 ba\u0148ky zkontrolujte, zda jej\u00ed z\u00e1tka net\u011bsn\u00ed. Kvalifikovan\u00e1 z\u00e1tka by m\u011bla b\u00fdt zaji\u0161t\u011bna kolem hrdla l\u00e1hve a nem\u011bla by b\u00fdt sv\u00e9voln\u011b vym\u011b\u0148ov\u00e1na. Pokud nad kalibra\u010dn\u00ed zna\u010dkou na vnit\u0159n\u00ed st\u011bn\u011b z\u016fst\u00e1vaj\u00ed kapky vody, m\u016f\u017ee to ovlivnit p\u0159esnost, proto je t\u0159eba ba\u0148ku d\u016fkladn\u011b vy\u010distit. Ve\u0161ker\u00e9 pevn\u00e9 l\u00e1tky, kter\u00e9 se maj\u00ed v\u00e1\u017eit, se mus\u00ed nejprve rozpustit v mal\u00e9 k\u00e1dince a po ochlazen\u00ed na pokojovou teplotu p\u0159en\u00e9st do odm\u011brn\u00e9 ba\u0148ky. Ba\u0148ka by se nikdy nem\u011bla zah\u0159\u00edvat nebo su\u0161it v su\u0161\u00e1rn\u011b.<\/p>\n\n\n\n<p><strong>N\u00e1vrh ilustrace: P\u0159idejte obr\u00e1zek, kter\u00fd ukazuje spr\u00e1vnou techniku m\u00edch\u00e1n\u00ed roztoku v odm\u011brn\u00e9 ba\u0148ce.<\/strong><\/p>\n\n\n\n<p><strong>Dal\u0161\u00ed tip: Pro zachov\u00e1n\u00ed p\u0159esnosti roztoku zajist\u011bte, aby v\u0161echny volumetrick\u00e9 operace byly prov\u00e1d\u011bny p\u0159i pokojov\u00e9 teplot\u011b.<\/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\/cs\/author\/casper-peng\/"},"uagb_comment_info":0,"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\/cs\/wp-json\/wp\/v2\/posts\/5535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/comments?post=5535"}],"version-history":[{"count":1,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/posts\/5535\/revisions"}],"predecessor-version":[{"id":5539,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/posts\/5535\/revisions\/5539"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/media\/5538"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/media?parent=5535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/categories?post=5535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/tags?post=5535"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/cs\/wp-json\/wp\/v2\/ppma_author?post=5535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}