aladdin 阿拉丁 C100454 变色酸2B 548-80-1 97%

中文名：变色酸2B

英文名：Chromotrope 2B

中文别名：变色素2B|酸性红176|铬变素 2B|对硝基苯偶氮变色酸 二钠盐

英文别名：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

纯度：97%

货号：C100454

包装：25g、5g、100g

Cas号：548-80-1

产品介绍：

淡红棕色粉末，溶于水呈淡黄红色，不溶于醇。分析测定硼酸、硼酸盐、锗、钴、镍、铜和稀土金属，检验铝、钙和镁。 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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