{"id":5199,"date":"2026-09-10T16:17:42","date_gmt":"2026-09-10T08:17:42","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5199"},"modified":"2026-09-10T16:17:42","modified_gmt":"2026-09-10T08:17:42","slug":"determination-of-sodium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/determination-of-sodium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry","title":{"rendered":"X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng Natri Oxit trong b\u1ed9t nh\u00f4m oxit (Ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda)"},"content":{"rendered":"<h2>1 T\u1ed5ng quan ph\u01b0\u01a1ng ph\u00e1p<\/h2>\n<p>M\u1eabu \u0111\u01b0\u1ee3c \u0111un n\u00f3ng v\u00e0 h\u00f2a tan trong c\u1ed1c th\u1ea1ch anh v\u1edbi h\u1ed7n h\u1ee3p axit sulfuric v\u00e0 phosphoric. S\u1eed d\u1ee5ng ng\u1ecdn l\u1eeda axetylen kh\u00f4ng kh\u00ed, \u0111\u1ed9 h\u1ea5p th\u1ee5 c\u1ee7a natri oxit \u0111\u01b0\u1ee3c \u0111o \u1edf b\u01b0\u1edbc s\u00f3ng 589,0 nm tr\u00ean m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed. Trong m\u1ed9t ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, \u0111\u1ed9 h\u1ea5p th\u1ee5 c\u1ee7a natri t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi h\u00e0m l\u01b0\u1ee3ng c\u1ee7a n\u00f3, v\u00e0 vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch so s\u00e1nh v\u1edbi d\u00e3y chu\u1ea9n.<\/p>\n<h2>2. Ph\u1ea1m vi \u00e1p d\u1ee5ng<\/h2>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng natri oxit trong b\u1ed9t alumina.<\/p>\n<h2>3. C\u01a1 s\u1edf tham chi\u1ebfu<\/h2>\n<p>GB\/T 6609.5-2004, Ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch h\u00f3a h\u1ecdc v\u00e0 ki\u1ec3m tra t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a alumina \u2014 X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng oxit natri, Ph\u01b0\u01a1ng ph\u00e1p 2<\/p>\n<h2>4. D\u1ee5ng c\u1ee5 v\u00e0 h\u00f3a ch\u1ea5t<\/h2>\n<h3><strong><b>4.1 D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb<\/b><\/strong><\/h3>\n<h4><strong><b>4.1.1 D\u1ee5ng c\u1ee5 th\u1eed nghi\u1ec7m<\/b><\/strong><\/h4>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Kh\u00f4ng.<\/b><\/strong><\/td>\n<td><strong><b>T\u00ean<\/b><\/strong><\/td>\n<td><strong><b>S\u1ed1 l\u01b0\u1ee3ng<\/b><\/strong><\/td>\n<td><strong><b>Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/b><\/strong><\/td>\n<td><strong><b>Ph\u1ee5 ki\u1ec7n<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed (TAS 990)<\/td>\n<td>1 b\u1ed9<\/td>\n<td>\u2014<\/td>\n<td>\u0110\u00e8n cat\u1ed1t r\u1ed7ng natri<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>M\u00e1y n\u00e9n kh\u00ed<\/td>\n<td>1 b\u1ed9<\/td>\n<td>\u00c1p su\u1ea5t kh\u00ed th\u1ea3i \u0111\u1ecbnh m\u1ee9c: 0,3 MPa<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Acetylen<\/td>\n<td>1 xi lanh<\/td>\n<td>\u0110\u1ed9 tinh khi\u1ebft \u226599,99%<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview The sample is heated and dissolved in a quartz beaker with mixed sulfuric\u001ephosphoric acid. Using an air\u001eacetylene flame, the absorbance of sodium oxide is measured at 589.0 nm on an atomic absorption spectrophotometer. Within a certain concentration range, the absorbance of sodium is proportional to its content, and quantification is carried out [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4824,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-petrochemical-and-chemical","category-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5199","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=5199"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5199\/revisions"}],"predecessor-version":[{"id":5200,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/5199\/revisions\/5200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4824"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=5199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=5199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=5199"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}