{"id":4475,"date":"2026-03-16T10:22:51","date_gmt":"2026-03-16T02:22:51","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4475"},"modified":"2026-03-16T10:22:51","modified_gmt":"2026-03-16T02:22:51","slug":"application-case-of-a500-zeeman-atomic-absorption-spectrophotometer-determination-of-sodium-content-in-methanol","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/petrochemical-and-chemical\/application-case-of-a500-zeeman-atomic-absorption-spectrophotometer-determination-of-sodium-content-in-methanol","title":{"rendered":"Tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed A500 Zeeman: X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng natri trong methanol"},"content":{"rendered":"<p>Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t methanol, vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t h\u00e0m l\u01b0\u1ee3ng natri \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. L\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 kim lo\u1ea1i d\u1ec5 ion h\u00f3a, natri, th\u1eadm ch\u00ed c\u00f3 m\u1eb7t \u1edf m\u1ee9c \u0111\u1ed9 vi l\u01b0\u1ee3ng trong methanol, c\u00f3 th\u1ec3 g\u00e2y t\u00e1c \u0111\u1ed9ng b\u1ea5t l\u1ee3i \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn vi\u1ec7c l\u01b0u tr\u1eef, v\u1eadn chuy\u1ec3n, ch\u1ebf bi\u1ebfn ti\u1ebfp theo v\u00e0 hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n<p>\u0110\u1ed1i v\u1edbi m\u1ee5c \u0111\u00edch n\u00e0y, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p pha lo\u00e3ng n\u01b0\u1edbc tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd tr\u01b0\u1edbc c\u00e1c m\u1eabu methanol trong nghi\u00ean c\u1ee9u n\u00e0y. H\u00e0m l\u01b0\u1ee3ng natri \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c trang b\u1ecb \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n Zeeman \u1edf \u0111\u01b0\u1eddng nh\u1ea1y c\u1ea3m th\u1ee9 c\u1ea5p 330,2 nm, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<ol>\n<li>D\u1ee5ng c\u1ee5 v\u00e0 thu\u1ed1c th\u1eed<\/li>\n<\/ol>\n<p>C\u00f4ng c\u1ee5: A500G Zeeman Graphite l\u00f2 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed quang ph\u1ed5<\/p>\n<p>Ph\u1ea3n \u1ee9ng: N\u01b0\u1edbc<\/p>\n<p>V\u1eadt li\u1ec7u tham kh\u1ea3o: GSB 04-1738-2004 Gi\u1ea3i ph\u00e1p ti\u00eau chu\u1ea9n nguy\u00ean t\u1ed1 \u0111\u01a1n natri<\/p>","protected":false},"excerpt":{"rendered":"<p>During the production of methanol, the monitoring and control of sodium content play a key role in ensuring product quality. As an easily ionized metal element, sodium, even present at trace levels in methanol, may exert significant adverse effects on its storage, transportation, subsequent processing, and final product performance. For this purpose, a direct water [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81],"tags":[],"class_list":["post-4475","post","type-post","status-publish","format-standard","hentry","category-petrochemical-and-chemical"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/comments?post=4475"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4475\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4475"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}