变色酸2B:原理_价格_参数_使用方法-耗材谱::分析测试百科网

应用	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.
产品介绍	淡红棕色粉末，溶于水呈淡黄红色，不溶于醇。
别名	变色酸2B ;变色素2B,对硝基苯偶氮变色酸钠,4,5-二羟基-3-[(4-硝基苯基)偶氮-]-2,7-萘二磺酸二钠盐,酸性红176；对硝基苯偶氮变色酸二钠盐;2-(4-Nitrophenylazo)chromotropic acid disodium salt Acid Red 176 4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic acid, disodium salt C.I. 16575

Merck Index	2240
标识符号	GHS07
信号词	Warning
危害声明	H315,H319,H335
警示性声明	P261,P305+P351+P338
个人防护设备	dust mask type N95 (US),Eyeshields,Gloves
WGK德国	3
风险声明 (欧洲)	36/37/38
安全声明（欧洲）	26,36
危害码（欧洲）	Xi

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