{"id":3914,"date":"2025-09-09T11:17:07","date_gmt":"2025-09-09T03:17:07","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3914"},"modified":"2025-09-09T11:17:07","modified_gmt":"2025-09-09T03:17:07","slug":"determination-of-nickel-in-reflective-coating-of-mirrors-flame-atomic-absorption-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/applications\/determination-of-nickel-in-reflective-coating-of-mirrors-flame-atomic-absorption-spectrometry","title":{"rendered":"X\u00e1c \u0111\u1ecbnh niken trong l\u1edbp ph\u1ee7 ph\u1ea3n chi\u1ebfu c\u1ee7a g\u01b0\u01a1ng (quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u1eeda)"},"content":{"rendered":"

1. T\u1ed5ng quan v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p<\/h2>\n
Sau khi m\u1eabu \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed v\u00e0 nguy\u00ean t\u1eed h\u00f3a b\u1eb1ng ng\u1ecdn l\u1eeda \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 h\u1ea5p th\u1ee5. Trong m\u1ed9t ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 t\u1ef7 l\u1ec7 v\u1edbi n\u1ed9i dung, v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch so s\u00e1nh v\u1edbi c\u00e1c chu\u1ed7i ti\u00eau chu\u1ea9n.<\/div>\n
\n

2. D\u1ee5ng c\u1ee5 v\u00e0 thu\u1ed1c th\u1eed<\/h2>\n

2.1 D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb<\/h3>\n

2.1.1 D\u1ee5ng c\u1ee5 ki\u1ec3m tra<\/h4>\n
\n
\n\n\n\n\n\n\n\n
S\u1ed1 Serial<\/th>\nT\u00ean<\/th>\nS\u1ed1 l\u01b0\u1ee3ng<\/th>\nY\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/th>\nPh\u1ee5 ki\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nM\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda<\/td>\n1 b\u1ed9<\/td>\n–<\/td>\n\u0110\u00e8n cathode r\u1ed7ng niken<\/td>\n<\/tr>\n
2<\/td>\nM\u00e1y n\u00e9n kh\u00ed<\/td>\n1 b\u1ed9<\/td>\n\u00c1p su\u1ea5t x\u1ea3 \u0111\u1ecbnh m\u1ee9c: 0,3 MPa<\/td>\n–<\/td>\n<\/tr>\n
3<\/td>\nKh\u00ed Acetylene<\/td>\n1 xi lanh<\/td>\n\u0110\u1ed9 tinh khi\u1ebft \u2265 99,99%<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.1.2 Thi\u1ebft b\u1ecb x\u1eed l\u00fd tr\u01b0\u1edbc m\u1eabu<\/h4>\n
\n
\n\n\n\n\n\n\n\n\n\n\n
S\u1ed1 Serial<\/th>\nT\u00ean<\/th>\nS\u1ed1 l\u01b0\u1ee3ng<\/th>\nY\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/th>\nPh\u1ee5 ki\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nC\u00e2n b\u1eb1ng \u0111i\u1ec7n t\u1eed<\/td>\n1 b\u1ed9<\/td>\n\u0110\u1ed9 nh\u1ea1y c\u1ea3m: 0,1 mg<\/td>\n–<\/td>\n<\/tr>\n
2<\/td>\nC\u1ed1c polytetrafluoroethylene (PTFE)<\/td>\nM\u1ed9t s\u1ed1<\/td>\nKh\u1ed1i l\u01b0\u1ee3ng: 100 ml<\/td>\nBao g\u1ed3m n\u1eafp ly PTFE<\/td>\n<\/tr>\n
3<\/td>\nT\u1ea5m n\u00f3ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/td>\n1 b\u1ed9<\/td>\nPh\u1ea1m vi nhi\u1ec7t \u0111\u1ed9: Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng ~ 300 \u2103<\/td>\n–<\/td>\n<\/tr>\n
4<\/td>\nMicropipette<\/td>\n1 m\u1ed7i<\/td>\nPh\u1ea1m vi kh\u1ed1i l\u01b0\u1ee3ng: 20 \u03bcL ~ 200 \u03bcL; 1000 \u03bcL \u0111\u1ebfn 5000 \u03bcL<\/td>\n–<\/td>\n<\/tr>\n
5<\/td>\nL\u1ecd kh\u1ed1i l\u01b0\u1ee3ng<\/td>\nM\u1ed9t s\u1ed1<\/td>\nKh\u1ed1i l\u01b0\u1ee3ng: 100 ml, 1000 ml<\/td>\n–<\/td>\n<\/tr>\n
6<\/td>\n\u1ed1ng \u0111o m\u00e0u<\/td>\nM\u1ed9t s\u1ed1<\/td>\nKh\u1ed1i l\u01b0\u1ee3ng: 25 ml<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.2 Ph\u1ea3n \u1ee9ng<\/h3>\n

2.2.1 Ph\u1ea3n \u1ee9ng th\u00f4<\/h4>\n
\n
\n\n\n\n\n\n
S\u1ed1 Serial<\/th>\nT\u00ean<\/th>\nY\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/th>\nNh\u1eadn x\u00e9t<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\naxit nitric<\/td>\nL\u1edbp MOS<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.2 Ph\u1ea3n \u1ee9ng chu\u1ea9n b\u1ecb<\/h4>\n
\n
\n\n\n\n\n\n
S\u1ed1 Serial<\/th>\nT\u00ean<\/th>\nPh\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb<\/th>\nNh\u1eadn x\u00e9t<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nGi\u1ea3i ph\u00e1p axit nitric (1 99)<\/td>\n\u0110o 10 ml axit nitric, th\u00eam v\u00e0o 990 ml n\u01b0\u1edbc v\u00e0 tr\u1ed9n t\u1ed1t.<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.3 Ti\u00eau chu\u1ea9n tham kh\u1ea3o<\/h3>\n

2.3.1 Gi\u1ea3i ph\u00e1p ch\u1ee9ng kho\u00e1n<\/h4>\n
\n
\n\n\n\n\n\n
S\u1ed1 Serial<\/th>\nKh\u00f4ng.<\/th>\nT\u00ean<\/th>\nY\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/th>\nNh\u1eadn x\u00e9t<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n\u0110\u00e1nh gi\u00e1 GBW08618<\/td>\nGi\u1ea3i ph\u00e1p ti\u00eau chu\u1ea9n nguy\u00ean t\u1ed1 \u0111\u01a1n niken<\/td>\nN\u1ed3ng \u0111\u1ed9: 1000 \u03bcg \/ ml<\/td>\nVi\u1ec7n \u0111o l\u01b0\u1eddng qu\u1ed1c gia, Trung Qu\u1ed1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

3. Quy tr\u00ecnh v\u1eadn h\u00e0nh<\/h2>\n

3.1 Chu\u1ea9n b\u1ecb m\u1eabu<\/h3>\n

3.1.1 Chu\u1ea9n b\u1ecb gi\u1ea3i ph\u00e1p th\u1eed nghi\u1ec7m<\/h4>\n
X\u1eed l\u00fd tr\u01b0\u1edbc m\u1eabu:
\u0110\u1eb7t to\u00e0n b\u1ed9 g\u01b0\u01a1ng trong m\u1ed9t ly PTFE v\u1edbi m\u1eb7t ph\u1ea3n chi\u1ebfu h\u01b0\u1edbng l\u00ean. Th\u00eam 1 ml n\u01b0\u1edbc v\u00e0 5 ml axit nitric (m\u1ee9c ch\u1ea5t l\u1ecfng ph\u1ea3i bao ph\u1ee7 ho\u00e0n to\u00e0n b\u1ec1 m\u1eb7t ph\u1ea3n chi\u1ebfu c\u1ee7a g\u01b0\u01a1ng). Bao ph\u1ee7 ly, l\u00e0m n\u00f3ng \u0111\u1ec3 ti\u00eau h\u00f3a trong 1 gi\u1edd cho \u0111\u1ebfn khi l\u1edbp ph\u1ee7 ph\u1ea3n chi\u1ebfu c\u1ee7a g\u01b0\u01a1ng bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n. Lo\u1ea1i b\u1ecf ly, l\u00e0m m\u00e1t, pha lo\u00e3ng dung d\u1ecbch \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u trong \u1ed1ng \u0111o m\u00e0u 25 ml, l\u1eafc t\u1ed1t v\u00e0 chuy\u1ec3n n\u00f3 v\u00e0o chai nh\u1ef1a \u0111\u1ec3 l\u01b0u tr\u1eef. Chu\u1ea9n b\u1ecb m\u1ed9t m\u1eabu tr\u1ed1ng c\u00f9ng m\u1ed9t l\u00fac.<\/div>\n

3.1.2 Chu\u1ea9n b\u1ecb c\u00e1c gi\u1ea3i ph\u00e1p ti\u00eau chu\u1ea9n<\/h4>\n
Chu\u1ea9n b\u1ecb Nickel Standard Series:
Pipet 0 mL, 25 \u03bcL, 50 \u03bcL, 100 \u03bcL v\u00e0 150 \u03bcL dung d\u1ecbch ti\u00eau chu\u1ea9n niken (1000 \u03bcg \/ mL) t\u01b0\u01a1ng \u1ee9ng v\u00e0o b\u00ecnh kh\u1ed1i l\u01b0\u1ee3ng 100 mL. Pha lo\u00e3ng \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u v\u1edbi dung d\u1ecbch axit nitric (1 99) v\u00e0 tr\u1ed9n t\u1ed1t. N\u1ed3ng \u0111\u1ed9 c\u1ee7a lo\u1ea1t ti\u00eau chu\u1ea9n n\u00e0y l\u00e0: 0 \u03bcg \/ mL, 0,25 \u03bcg \/ mL, 0,50 \u03bcg \/ mL, 1,00 \u03bcg \/ mL v\u00e0 1,50 \u03bcg \/ mL.<\/div>\n

3.2 Ki\u1ec3m tra m\u1eabu<\/h3>\n
    \n
  1. \u0110i\u1ec1u ki\u1ec7n ki\u1ec3m tra
    \u0110i\u1ec1u ki\u1ec7n tham kh\u1ea3o cho ph\u00e1t hi\u1ec7n quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u1eeda<\/li>\n<\/ol>\n


    <\/p>\n

    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Th\u00f4ng s\u1ed1<\/th>\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th>\n<\/tr>\n<\/thead>\n
    B\u01b0\u1edbc s\u00f3ng<\/td>\n232,0 nm<\/td>\n<\/tr>\n
    B\u0103ng th\u00f4ng quang ph\u1ed5<\/td>\n0,1 nm<\/td>\n<\/tr>\n
    \u0110\u00e8n nguy\u00ean t\u1ed1 hi\u1ec7n t\u1ea1i<\/td>\n4,0 mA<\/td>\n<\/tr>\n
    Chi\u1ec1u cao \u0111\u1ed1t<\/td>\n3 mm<\/td>\n<\/tr>\n
    T\u1ef7 l\u1ec7 d\u00f2ng ch\u1ea3y kh\u00ed nhi\u00ean li\u1ec7u<\/td>\n1300 ml \/ ph\u00fat<\/td>\n<\/tr>\n
    \u00c1p su\u1ea5t m\u00e1y n\u00e9n kh\u00ed<\/td>\n0,22 MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n


    <\/p>\n

      \n
    1. Ki\u1ec3m tra m\u1eabu
      \u0110i\u1ec1u ch\u1ec9nh thi\u1ebft b\u1ecb \u0111\u1ebfn tr\u1ea1ng th\u00e1i l\u00e0m vi\u1ec7c t\u1ed1i \u01b0u v\u00e0 l\u00e0m 0 v\u1edbi n\u01b0\u1edbc. X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 h\u1ea5p th\u1ee5 c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p ti\u00eau chu\u1ea9n, gi\u1ea3i ph\u00e1p th\u1eed nghi\u1ec7m tr\u1ed1ng v\u00e0 gi\u1ea3i ph\u00e1p th\u1eed nghi\u1ec7m theo th\u1ee9 t\u1ef1.<\/li>\n<\/ol>\n


      <\/p>\n

      Tr\u1eeb \u0111\u1ed9 h\u1ea5p th\u1ee5 c\u1ee7a dung d\u1ecbch ti\u00eau chu\u1ea9n kh\u00f4ng t\u1eeb \u0111\u1ed9 h\u1ea5p th\u1ee5 c\u1ee7a m\u1ed7i dung d\u1ecbch ti\u00eau chu\u1ea9n. V\u1ebd m\u1ed9t \u0111\u01b0\u1eddng cong l\u00e0m vi\u1ec7c v\u1edbi n\u1ed3ng \u0111\u1ed9 kh\u1ed1i l\u01b0\u1ee3ng (\u03bcg \/ mL) nh\u01b0 abscissa v\u00e0 \u0111\u1ed9 h\u1ea5p th\u1ee5 t\u01b0\u01a1ng \u1ee9ng nh\u01b0 t\u1ecda \u0111\u1ed9. D\u1ef1a tr\u00ean \u0111\u1ed9 h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c \u0111o c\u1ee7a dung d\u1ecbch th\u1eed nghi\u1ec7m, t\u00ecm n\u1ed3ng \u0111\u1ed9 kh\u1ed1i l\u01b0\u1ee3ng niken t\u1eeb \u0111\u01b0\u1eddng cong l\u00e0m vi\u1ec7c.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

      1. Method Overview After the sample is pretreated, it is introduced into an atomic absorption spectrometer and atomized by flame to determine the absorbance. Within a certain concentration range, the absorbance value is proportional to the content, and quantification is performed by comparison with the standard series. 2. Instruments and Reagents 2.1 Instruments and Equipment […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-3914","post","type-post","status-publish","format-standard","hentry","category-petrochemical-and-chemical","category-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/3914","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=3914"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/3914\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=3914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=3914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=3914"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}