{"id":4657,"date":"2026-06-04T15:52:41","date_gmt":"2026-06-04T07:52:41","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4657"},"modified":"2026-06-04T15:52:41","modified_gmt":"2026-06-04T07:52:41","slug":"determination-of-potassium-in-sweet-potato-products-flame-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/determination-of-potassium-in-sweet-potato-products-flame-atomic-absorption-spectrometry-2","title":{"rendered":"X\u00e1c \u0111\u1ecbnh Kali trong c\u00e1c s\u1ea3n ph\u1ea9m khoai t\u00e2y ng\u1ecdt (Ph\u1ed5 \u0111o h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u1eeda)"},"content":{"rendered":"<p>1. T\u00f3m t\u1eaft ph\u01b0\u01a1ng ph\u00e1p<\/p>\n<p>Sau khi ph\u00e2n h\u1ee7y m\u1eabu, dung d\u1ecbch th\u1eed \u0111\u01b0\u1ee3c phun s\u01b0\u01a1ng trong ng\u1ecdn l\u1eeda kh\u00f4ng kh\u00ed, v\u00e0 \u0111\u1ed9 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c \u0111o \u1edf b\u01b0\u1edbc s\u00f3ng 766,5 nm. Trong m\u1ed9t ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, \u0111\u1ed9 h\u1ea5p th\u1ee5 t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi h\u00e0m l\u01b0\u1ee3ng kali, v\u00e0 vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh b\u1eb1ng c\u00e1ch so s\u00e1nh v\u1edbi d\u00e3y hi\u1ec7u chu\u1ea9n chu\u1ea9n.<\/p>\n<p>2. Ph\u1ea1m vi \u00e1p d\u1ee5ng<\/p>\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 kali trong c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb khoai lang.<\/p>\n<p>3 Ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/p>\n<p>Ti\u00eau chu\u1ea9n an to\u00e0n th\u1ef1c ph\u1ea9m qu\u1ed1c gia GB 5009.91-2017 \u2013 X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng kali trong th\u1ef1c ph\u1ea9m<\/p>\n<p>4 D\u1ee5ng c\u1ee5 th\u1eed nghi\u1ec7m<\/p>\n<p>\u2022 M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda 1 \u0111\u01a1n v\u1ecb \u2013 \u0110\u00e8n cat\u1ed1t r\u1ed7ng kali<\/p>\n<p>\u2022 M\u00e1y n\u00e9n kh\u00ed 1 chi\u1ebfc. \u00c1p su\u1ea5t kh\u00ed th\u1ea3i \u0111\u1ecbnh m\u1ee9c: 0,3 MPa.<\/p>","protected":false},"excerpt":{"rendered":"<p>1 Method Summary After sample digestion, the test solution is atomized in air flame, and absorbance is measured at the wavelength of 766.5 nm. Within a certain concentration range, absorbance is proportional to potassium content, and quantification is completed by comparison with standard calibration series. 2 Scope of Application This method is applicable to the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4658,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,75],"tags":[],"class_list":["post-4657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","category-environment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4657","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=4657"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4657\/revisions"}],"predecessor-version":[{"id":4659,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4657\/revisions\/4659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4658"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4657"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}