{"id":210,"date":"2022-07-04T03:06:00","date_gmt":"2022-07-04T03:06:00","guid":{"rendered":"https:\/\/www.voltage-tester.com\/?p=210"},"modified":"2025-04-24T02:16:23","modified_gmt":"2025-04-24T02:16:23","slug":"karl-fischer-coulometric-titrator","status":"publish","type":"post","link":"https:\/\/www.voltage-tester.com\/vi\/karl-fischer-coulometric-titrator-article\/","title":{"rendered":"M\u00e1y chu\u1ea9n \u0111\u1ed9 coulometric Karl Fischer"},"content":{"rendered":"<p><strong>Ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 Karl Fischer<\/strong>&nbsp;l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u1ec3 t\u00edch ho\u1eb7c&nbsp;<strong>ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 coulometrik<\/strong>&nbsp;\u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 trong m\u1ed9t ch\u1ea5t ph\u00e2n t\u00edch c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p><strong>T\u1ea1i sao l\u1ea1i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p Karl Fischer?<\/strong>&nbsp;Ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 Karl Fischer (KF) l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng oxi h\u00f3a kh\u1eed, trong \u0111\u00f3 l\u01b0\u1ee3ng n\u01b0\u1edbc ti\u00eau th\u1ee5 trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 trong m\u1eabu. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc nh\u1edd t\u00ednh \u0111\u1eb7c hi\u1ec7u, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111o l\u01b0\u1eddng cao.<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 Karl Fischer (KF) l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh d\u1ef1a tr\u00ean ph\u1ea3n \u1ee9ng gi\u1eefa i-\u1ed1t v\u1edbi n\u01b0\u1edbc. Ph\u01b0\u01a1ng ph\u00e1p KF l\u00e0 m\u1ed9t trong s\u1ed1 \u00edt c\u00e1c k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 \u0111o h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc m\u00e0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c ch\u1ea5t bay h\u01a1i kh\u00e1c.<\/p>\n\n\n\n<p>&nbsp; Nguy\u00ean l\u00fd c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 Karl Fischer d\u1ef1a tr\u00ean ph\u1ea3n \u1ee9ng oxi h\u00f3a gi\u1eefa i-\u1ed1t v\u00e0 kh\u00ed sunfua. N\u01b0\u1edbc ph\u1ea3n \u1ee9ng v\u1edbi i-\u1ed1t v\u00e0 kh\u00ed sunfua \u0111\u1ec3 t\u1ea1o th\u00e0nh kh\u00ed sunfua ba v\u00e0 hydro i-\u1ed1t. \u0110i\u1ec3m k\u1ebft th\u00fac \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh khi to\u00e0n b\u1ed9 l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 h\u1ebft.<\/p>\n\n\n\n<p><strong>M\u00e1y chu\u1ea9n \u0111\u1ed9 coulometrik l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 coulometrie l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u1ecbnh l\u01b0\u1ee3ng tuy\u1ec7t \u0111\u1ed1i, trong \u0111\u00f3 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t ch\u1ea5t nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch \u0111o l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111i\u1ec7n ph\u00e2n ch\u1ea5t \u0111\u00f3.<\/p>\n\n\n\n<p><strong>\u1ee8ng d\u1ee5ng c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 coulometric l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng Karl Fischer s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ed9 coulometric \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u01b0\u1edbc trong m\u1eabu. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 n\u01b0\u1edbc \u1edf m\u1ee9c v\u00e0i miligam tr\u00ean l\u00edt. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u00e1c ch\u1ea5t nh\u01b0 b\u01a1, \u0111\u01b0\u1eddng, ph\u00f4 mai, gi\u1ea5y v\u00e0 d\u1ea7u m\u1ecf.<\/p>\n\n\n\n<p><strong>N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n\n\n\n<p>C\u00e1c m\u1eabu \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o khay xoay v\u00e0 ni\u00eam phong. Khi thi\u1ebft b\u1ecb b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng, m\u1eabu \u0111\u1ea7u ti\u00ean s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o l\u00f2 nung c\u00f3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9. Sau \u0111\u00f3, m\u1eabu \u0111\u01b0\u1ee3c \u0111\u1ee5c l\u1ed7 \u0111\u1ec3 khi n\u01b0\u1edbc chuy\u1ec3n th\u00e0nh h\u01a1i, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o m\u00e1y chu\u1ea9n \u0111\u1ed9 coulometric ho\u1eb7c volumetric \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc trong m\u1eabu. B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, ch\u1ec9 c\u00f3 n\u01b0\u1edbc bay h\u01a1i trong khi ph\u1ea7n m\u1eabu c\u00f2n l\u1ea1i v\u1eabn \u1edf trong l\u1ecd m\u1eabu. Khi t\u1ea5t c\u1ea3 n\u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf v\u00e0 \u0111o l\u01b0\u1eddng, l\u1ecd m\u1eabu \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u1edf l\u1ea1i v\u1ecb tr\u00ed ban \u0111\u1ea7u tr\u00ean khay, v\u00e0 khay quay sang m\u1eabu ti\u1ebfp theo \u0111\u1ec3 th\u1ef1c hi\u1ec7n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"539\" height=\"530\" src=\"https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/Karl-Fischer-Coulometric-Titrator.gif.webp\" alt=\"M\u00e1y chu\u1ea9n \u0111\u1ed9 coulometric Karl Fischer.gif\" class=\"wp-image-212\" srcset=\"https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/Karl-Fischer-Coulometric-Titrator.gif.webp 539w, https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/Karl-Fischer-Coulometric-Titrator.gif-300x295.webp 300w, https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/Karl-Fischer-Coulometric-Titrator.gif-12x12.webp 12w\" sizes=\"auto, (max-width: 539px) 100vw, 539px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"768\" src=\"https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/84.webp\" alt=\"M\u00e1y chu\u1ea9n \u0111\u1ed9 coulometrik Karl Fischer.\" class=\"wp-image-215\" style=\"width:502px;height:auto\" srcset=\"https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/84.webp 768w, https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/84-300x300.webp 300w, https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/84-150x150.webp 150w, https:\/\/www.voltage-tester.com\/wp-content\/uploads\/2025\/02\/84-12x12.webp 12w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure><\/div>","protected":false},"excerpt":{"rendered":"<p>Karl Fischer titration&nbsp;is a titration method that uses volumetric or&nbsp;coulometric titration&nbsp;to determine the quantity of water present in a given analyte. Why Karl Fischer is used?&nbsp;Karl Fischer (KF) titration is a redox reaction which uses the consumption of water during the reaction to measure the amount of water in a sample. It is the reference [&hellip;]<\/p>","protected":false},"author":1,"featured_media":212,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[772],"tags":[],"class_list":["post-210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Karl Fischer Coulometric Titrator - Run Test<\/title>\n<meta name=\"description\" content=\"China transformer test supplier, we provide Relay Protection Test, Resistance test, Circuit Breaker Test, and Partial Discharge Test for you with good price.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.voltage-tester.com\/vi\/karl-fischer-coulometric-titrator-article\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Karl Fischer Coulometric Titrator - 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