中文名:變色酸2B
英文名:Chromotrope 2B
中文別名:變色素2B|酸性紅176|鉻變素 2B|對硝基苯偶氮變色酸 二鈉鹽
英文別名:Chromotrope 2B|548-80-1|Chromotrope Red 4B|Chromatrope 2B|Naphtocard Fast Red 3B|Khromotrop 2B|Acid Red 176|2-(4-Nitrophenylazo)chromotropic acid disodium salt|2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-nitrophenyl)azo)-, disodium salt|C.I. 16575
純度:97%
貨號:C100454
包裝:25g、5g、100g
Cas號:548-80-1
產(chǎn)品介紹:
淡紅棕色粉末,溶于水呈淡黃紅色,不溶于醇。分析測定硼酸、硼酸鹽、鍺、鈷、鎳、銅和稀土金屬,檢驗鋁、鈣和鎂。 Chromotrope 2B along with Chromotrope 2R, was used to give a highly colored radical anion, during the spectrophotometric determination of cephalosporins (cephadroxil (I), cephalexin (II) and cephradine (III)) in pharmaceutical products. It may be immobilized on AG 1-X8 ion exchange resin, used in flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry (ICP-MS), done for the on-line preconcentration and determination of aluminium.
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關(guān)鍵字: 變色素2B;酸性紅176;鉻變素 2B;對硝基苯偶氮變色酸 二鈉鹽
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