{"id":4479,"date":"2026-03-16T10:25:42","date_gmt":"2026-03-16T02:25:42","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4479"},"modified":"2026-03-16T10:25:42","modified_gmt":"2026-03-16T02:25:42","slug":"determination-method-for-lead-in-surface-water-graphite-furnace-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/environment\/determination-method-for-lead-in-surface-water-graphite-furnace-atomic-absorption-spectrometry-2","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh ch\u00ec trong n\u01b0\u1edbc b\u1ec1 m\u1eb7t (quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00f2 Graphite)"},"content":{"rendered":"
    \n
  1. Nguy\u00ean t\u1eafc ph\u01b0\u01a1ng ph\u00e1p<\/li>\n<\/ol>\n

    Sau khi x\u1eed l\u00fd tr\u01b0\u1edbc th\u00edch h\u1ee3p, m\u1eabu \u0111\u01b0\u1ee3c ti\u00eam v\u00e0o m\u00e1y phun ti\u00eam \u1ed1ng graphite. C\u00e1c ion ch\u00ec \u0111\u01b0\u1ee3c t\u00e1ch ra th\u00e0nh h\u01a1i nguy\u00ean t\u1eed \u1edf nhi\u1ec7t \u0111\u1ed9 cao trong \u1ed1ng graphite. C\u00e1c nguy\u00ean t\u1eed tr\u1ea1ng th\u00e1i c\u01a1 b\u1ea3n c\u1ee7a nguy\u00ean t\u1ed1 m\u1ee5c ti\u00eau h\u1ea5p th\u1ee5 d\u00f2ng c\u1ed9ng h\u01b0\u1edfng ph\u00e1t ra b\u1edfi m\u1ed9t \u0111\u00e8n cathode r\u1ed7ng ch\u00ec, v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 h\u1ea5p th\u1ee5 t\u01b0\u01a1ng \u1ee9ng v\u1edbi n\u1ed3ng \u0111\u1ed9 ch\u00ec trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh, cho ph\u00e9p ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng h\u00e0m l\u01b0\u1ee3ng ch\u00ec.<\/p>\n

      \n
    1. Ph\u1ea1m vi<\/li>\n<\/ol>\n

      \u00c1p d\u1ee5ng cho vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ec trong n\u01b0\u1edbc b\u1ec1 m\u1eb7t.<\/p>\n

        \n
      1. C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o<\/li>\n<\/ol>\n

        GB\/T 5750.6-2006 Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ti\u00eau chu\u1ea9n cho n\u01b0\u1edbc b\u1ec1 m\u1eb7t Ch\u1ec9 s\u1ed1 kim lo\u1ea1i<\/p>\n

          \n
        1. D\u1ee5ng c\u1ee5 ki\u1ec3m tra<\/li>\n<\/ol>\n
            \n
          • M\u00e1y \u0111o ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00f2 graphite 1 b\u1ed9 \u0111\u00e8n cathode r\u1ed7ng ch\u00ec<\/li>\n
          • H\u1ec7 th\u1ed1ng n\u01b0\u1edbc tu\u1ea7n ho\u00e0n l\u00e0m m\u00e1t 1 b\u1ed9 T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y b\u01a1m n\u01b0\u1edbc: 3,5 L \/ ph\u00fat<\/li>\n
          • Argon kh\u00ed 1 xi lanh \u0110\u1ed9 tinh khi\u1ebft \u2265 99,99%<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

            Method Principle After appropriate pretreatment, the sample is injected into a graphite tube atomizer. Lead ions are dissociated into atomic vapor at high temperatures within the graphite tube. The ground-state atoms of the target element absorb the resonance line emitted by a lead hollow cathode lamp, and the absorption intensity is proportional to the lead […]<\/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":[75],"tags":[],"class_list":["post-4479","post","type-post","status-publish","format-standard","hentry","category-environment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4479","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=4479"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4479\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4479"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}