{"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\/vi\/cleaning-drying-and-use-of-laboratory-glassware-explained\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u1ec7 sinh, s\u1ea5y kh\u00f4 v\u00e0 s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 th\u1ee7y tinh trong ph\u00f2ng th\u00ed nghi\u1ec7m"},"content":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u1ec7 sinh, s\u1ea5y kh\u00f4 v\u00e0 s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 th\u1ee7y tinh trong ph\u00f2ng th\u00ed nghi\u1ec7m. B\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c chia th\u00e0nh ba ph\u1ea7n \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">I. V\u1ec7 sinh d\u1ee5ng c\u1ee5 th\u1ee7y tinh<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. R\u1eeda b\u1eb1ng n\u01b0\u1edbc l\u1eafc<\/h4>\n\n\n\n<p><em>Gi\u1ea3i th\u00edch c\u01a1 b\u1ea3n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p r\u1eeda n\u01b0\u1edbc l\u1eafc.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Ch\u1ea3i r\u0103ng cho v\u1ebft b\u1ea9n c\u1ee9ng \u0111\u1ea7u<\/h4>\n\n\n\n<p>N\u1ebfu c\u00f3 c\u00e1c ch\u1ea5t b\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t b\u00ean trong kh\u00f4ng th\u1ec3 d\u1ec5 d\u00e0ng lo\u1ea1i b\u1ecf, h\u00e3y s\u1eed d\u1ee5ng b\u00e0n ch\u1ea3i \u0111\u1ec3 l\u00e0m s\u1ea1ch. Quy tr\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>X\u1eed l\u00fd ch\u1ea5t th\u1ea3i l\u1ecfng tr\u01b0\u1edbc ti\u00ean.<\/li>\n\n\n\n<li>Th\u00eam m\u1ed9t n\u1eeda l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/li>\n\n\n\n<li>Ch\u1ecdn c\u1ecd ph\u00f9 h\u1ee3p v\u00e0 c\u1ea7m \u0111\u00fang c\u00e1ch \u0111\u1ec3 ch\u00e0 r\u1eeda.<\/li>\n\n\n\n<li><strong>L\u1eb7p l\u1ea1i quy tr\u00ecnh n\u00e0y cho \u0111\u1ebfn khi d\u1ee5ng c\u1ee5 th\u1ee7y tinh \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u00e0n to\u00e0n.<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>H\u00ecnh minh h\u1ecda v\u1ec7 sinh: (h\u00ecnh \u1ea3nh c\u00f3 nh\u00e3n \u201cWashing 2.1.png\u201d)<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. R\u1eeda cu\u1ed1i c\u00f9ng<\/h4>\n\n\n\n<p>Sau khi ch\u1ea3i r\u0103ng, r\u1eeda s\u1ea1ch d\u1ee5ng c\u1ee5 b\u1eb1ng c\u00e1ch l\u1eafc m\u1ea1nh v\u00e0i l\u1ea7n v\u1edbi n\u01b0\u1edbc. N\u1ebfu c\u1ea7n thi\u1ebft, s\u1eed d\u1ee5ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 r\u1eeda ba l\u1ea7n. Trong tr\u1ea1ng th\u00e1i s\u1ea1ch, n\u01b0\u1edbc s\u1ebd lan \u0111\u1ec1u m\u00e0 kh\u00f4ng t\u1ea1o th\u00e0nh gi\u1ecdt (nh\u01b0 h\u00ecnh b\u00ean tr\u00e1i), trong khi \u0111\u00f3, trong tr\u1ea1ng th\u00e1i b\u1ea9n, c\u00e1c gi\u1ecdt n\u01b0\u1edbc s\u1ebd c\u00f2n l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t (nh\u01b0 h\u00ecnh b\u00ean ph\u1ea3i).<\/p>\n\n\n\n<p>N\u1ebfu d\u1ee5ng c\u1ee5 th\u1ee7y tinh ch\u1ee9a c\u00e1c ch\u1ea5t kh\u00f4ng tan trong n\u01b0\u1edbc nh\u01b0 ki\u1ec1m, cacbonat ho\u1eb7c oxit baz\u01a1, h\u00e3y th\u00eam axit clohydric tr\u01b0\u1edbc \u0111\u1ec3 h\u00f2a tan ch\u00fang, sau \u0111\u00f3 r\u1eeda b\u1eb1ng n\u01b0\u1edbc. N\u1ebfu c\u00f3 d\u1ea7u m\u1ee1, h\u00e3y s\u1eed d\u1ee5ng dung d\u1ecbch natri cacbonat n\u00f3ng, sau \u0111\u00f3 ch\u1ea3i s\u1ea1ch. Ho\u1eb7c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u00e0n ch\u1ea3i v\u1edbi m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t t\u1ea9y r\u1eeda. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 c\u00f3 c\u1ed5 h\u1eb9p kh\u00f3 ch\u1ea3i, r\u1eeda b\u1eb1ng m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf dung d\u1ecbch aqua regia ho\u1eb7c dung d\u1ecbch axit cr\u00f4m. N\u1ebfu c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1eabn kh\u00f4ng hi\u1ec7u qu\u1ea3, ng\u00e2m v\u1eadt d\u1ee5ng trong dung d\u1ecbch c\u00f3 n\u1ed3ng \u0111\u1ed9 cao h\u01a1n v\u00e0 sau \u0111\u00f3 r\u1eeda b\u1eb1ng n\u01b0\u1edbc.<\/p>\n\n\n\n<p><strong>L\u01b0u \u00fd an to\u00e0n: Lu\u00f4n lo\u1ea1i b\u1ecf ch\u1ea5t l\u1ecfng th\u1ea3i tr\u01b0\u1edbc khi th\u00eam n\u01b0\u1edbc v\u00e0 tr\u00e1nh v\u1ec7 sinh nhi\u1ec1u \u1ed1ng nghi\u1ec7m c\u00f9ng l\u00fac.<\/strong><br><strong>L\u01b0u \u00fd an to\u00e0n b\u1ed5 sung: Khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c dung d\u1ecbch \u0103n m\u00f2n nh\u01b0 axit clohydric ho\u1eb7c aqua regia, h\u00e3y \u0111eo g\u0103ng tay b\u1ea3o h\u1ed9 v\u00e0 k\u00ednh b\u1ea3o h\u1ed9 \u0111\u1ec3 tr\u00e1nh b\u1ecb th\u01b0\u01a1ng da ho\u1eb7c m\u1eaft.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">II. Qu\u00e1 tr\u00ecnh s\u1ea5y kh\u00f4 d\u1ee5ng c\u1ee5 th\u1ee7y tinh<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Ph\u01a1i kh\u00f4 t\u1ef1 nhi\u00ean (H\u00ecnh b\u00ean tr\u00e1i) so v\u1edbi s\u1ea5y kh\u00f4 b\u1eb1ng l\u00f2 (H\u00ecnh b\u00ean ph\u1ea3i)<\/h4>\n\n\n\n<p><em>Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea5y kh\u00f4 t\u1ef1 nhi\u00ean v\u00e0 s\u1ea5y kh\u00f4 b\u1eb1ng l\u00f2.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. S\u1ea5y kh\u00f4 b\u1eb1ng m\u00e1y s\u1ea5y (H\u00ecnh b\u00ean tr\u00e1i) so v\u1edbi s\u1ea5y kh\u00f4 b\u1eb1ng nhi\u1ec7t (H\u00ecnh b\u00ean ph\u1ea3i)<\/h4>\n\n\n\n<p><em>Gi\u1ea3i th\u00edch v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng kh\u00ed n\u00e9n v\u00e0 kh\u00ed n\u00f3ng \u0111\u1ec3 s\u1ea5y kh\u00f4.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. S\u1ea5y kh\u00f4 b\u1eb1ng lu\u1ed3ng kh\u00f4ng kh\u00ed (H\u00ecnh b\u00ean tr\u00e1i) so v\u1edbi S\u1ea5y kh\u00f4 nhanh (H\u00ecnh b\u00ean ph\u1ea3i)<\/h4>\n\n\n\n<p><em>Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt s\u1ea5y kh\u00f4 d\u1ef1a tr\u00ean lu\u1ed3ng kh\u00f4ng kh\u00ed v\u00e0 s\u1ea5y kh\u00f4 nhanh.<\/em><\/p>\n\n\n\n<p><strong>G\u1ee3i \u00fd minh h\u1ecda: Xem x\u00e9t vi\u1ec7c b\u1ed5 sung c\u00e1c s\u01a1 \u0111\u1ed3 r\u00f5 r\u00e0ng ho\u1eb7c h\u00ecnh \u1ea3nh minh h\u1ecda cho t\u1eebng ph\u01b0\u01a1ng ph\u00e1p s\u1ea5y kh\u00f4 \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a t\u1eebng ph\u01b0\u01a1ng ph\u00e1p.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">III. S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 th\u1ee7y tinh th\u00f4ng d\u1ee5ng<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u1ed0ng \u0111o v\u00e0 c\u1ed1c \u0111o<\/h4>\n\n\n\n<p><em>Gi\u1ea3i th\u00edch v\u1ec1 h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u1ea5t l\u1ecfng b\u1eb1ng \u1ed1ng \u0111o c\u00f3 v\u1ea1ch chia v\u00e0 c\u1ed1c \u0111o.<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u1ed0ng ti\u00eam<\/h4>\n\n\n\n<p>C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba khi s\u1eed d\u1ee5ng \u1ed1ng ti\u00eam bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ecdn \u1ed1ng h\u00fat c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean th\u1ec3 t\u00edch c\u1ea7n thi\u1ebft (v\u00ed d\u1ee5: \u0111\u1ed1i v\u1edbi 1,5 ml ch\u1ea5t l\u1ecfng, \u1ed1ng h\u00fat 2 ml s\u1ebd ch\u00ednh x\u00e1c h\u01a1n \u1ed1ng h\u00fat 5 ml).<\/li>\n\n\n\n<li>Khi h\u00fat ch\u1ea5t l\u1ecfng, h\u00e3y \u0111\u01b0a \u1ed1ng h\u00fat v\u00e0o dung d\u1ecbch \u0111\u1ec3 tr\u00e1nh h\u00fat kh\u00f4ng kh\u00ed, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y tr\u00e0n.<\/li>\n\n\n\n<li>Sau khi l\u1ea5y \u1ed1ng ti\u00eam ra kh\u1ecfi dung d\u1ecbch, lau b\u1ec1 m\u1eb7t ngo\u00e0i b\u1eb1ng gi\u1ea5y l\u1ecdc tr\u01b0\u1edbc khi ph\u00e2n ph\u1ed1i dung d\u1ecbch.<\/li>\n\n\n\n<li>Kh\u00f4ng n\u00ean h\u00fat dung m\u00f4i ho\u1eb7c dung d\u1ecbch tr\u1ef1c ti\u1ebfp t\u1eeb chai b\u1eb1ng \u1ed1ng ti\u00eam. B\u1ea5t k\u1ef3 dung m\u00f4i ho\u1eb7c dung d\u1ecbch c\u00f2n l\u1ea1i n\u00e0o c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 ch\u1ea5t th\u1ea3i, kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5 tr\u1edf l\u1ea1i chai ch\u1ee9a.<\/li>\n<\/ul>\n\n\n\n<p><strong>G\u1ee3i \u00fd minh h\u1ecda: Cung c\u1ea5p h\u00ecnh \u1ea3nh minh h\u1ecda c\u00e1ch s\u1eed d\u1ee5ng \u1ed1ng ti\u00eam \u0111\u00fang v\u00e0 sai.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. B\u00ecnh \u0111\u1ecbnh l\u01b0\u1ee3ng<\/h4>\n\n\n\n<p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n bao g\u1ed3m: l\u00e0m s\u1ea1ch \u2192 b\u00f4i Vaseline \u2192 ki\u1ec3m tra r\u00f2 r\u1ec9 \u2192 \u0111\u1ed5 dung d\u1ecbch ho\u1ea1t \u0111\u1ed9ng \u2192 x\u1ea3 kh\u00ed burette \u2192 chu\u1ea9n \u0111\u1ed9.<\/p>\n\n\n\n<p><strong>L\u01b0u \u00fd an to\u00e0n: Khi s\u1eed d\u1ee5ng Vaseline \u0111\u1ec3 b\u1ecbt k\u00edn, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng dung d\u1ecbch kh\u00f4ng b\u1ecb nhi\u1ec5m b\u1ea9n, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a qu\u00e1 tr\u00ecnh titration.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. B\u00ecnh \u0111\u1ecbnh m\u1ee9c th\u1ec3 t\u00edch<\/h4>\n\n\n\n<p>Tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng b\u00ecnh \u0111\u1ecbnh m\u1ee9c, h\u00e3y ki\u1ec3m tra xem n\u00fat b\u1ecbt c\u00f3 b\u1ecb r\u00f2 r\u1ec9 hay kh\u00f4ng. N\u1eafp \u0111\u1eady ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn quanh c\u1ed5 b\u00ecnh v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c thay th\u1ebf t\u00f9y ti\u1ec7n. N\u1ebfu c\u00f2n gi\u1ecdt n\u01b0\u1edbc tr\u00ean v\u1ea1ch hi\u1ec7u chu\u1ea9n tr\u00ean th\u00e0nh trong c\u1ee7a b\u00ecnh, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c, do \u0111\u00f3 b\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng. C\u00e1c ch\u1ea5t r\u1eafn c\u1ea7n c\u00e2n ph\u1ea3i \u0111\u01b0\u1ee3c h\u00f2a tan trong m\u1ed9t c\u1ed1c nh\u1ecf tr\u01b0\u1edbc, sau \u0111\u00f3 chuy\u1ec3n v\u00e0o b\u00ecnh \u0111\u1ecbnh m\u1ee9c sau khi \u0111\u00e3 ngu\u1ed9i \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. B\u00ecnh kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c h\u00e2m n\u00f3ng ho\u1eb7c s\u1ea5y kh\u00f4 trong l\u00f2.<\/p>\n\n\n\n<p><strong>G\u1ee3i \u00fd minh h\u1ecda: Th\u00eam m\u1ed9t h\u00ecnh \u1ea3nh minh h\u1ecda k\u1ef9 thu\u1eadt \u0111\u00fang \u0111\u1ec3 tr\u1ed9n dung d\u1ecbch trong b\u00ecnh \u0111\u1ecbnh m\u1ee9c.<\/strong><\/p>\n\n\n\n<p><strong>M\u1eb9o b\u1ed5 sung: \u0110\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c thao t\u00e1c \u0111o th\u1ec3 t\u00edch \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a dung d\u1ecbch.<\/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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