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中文名称:对硝基苯磷酸二钠*
别名:对硝基苯磷酸二钠;4-硝 基 苯 基磷酸二钠盐六水物;磷酸-4-硝基苯酯二钠盐
CAS号:4264-83-9
:021—60449724,
产品规格:1/5
级别:Reagent Grade
含量:≥98.0%
分子式:C6H4NNa2O6P · 6H2O= 371.14
Em (312nm, 0.15M AMP Buffer, pH 10.25):>9800
Inorganic Phosphate (% by Weight):≤1.0%
p-Nitrophenol:≤0.1%
物理性质:白色或淡黄色结晶粉末。熔点300℃,对光和湿敏感。溶于水,在25℃以上不稳定,其溶液缓慢分解。zui大吸收波长310nm。
用途:测定酸性和碱性磷酸酶(phosphatases)的显色底物;反应能产生黄色的末端产物,在波长405nm可以读取,该反应能被3 N NaOH溶液终止。
保存:-20℃,避光
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