碱式没食子酸铋 Bismuth subgallate

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      碱式没食子酸铋 Bismuth subgallate

      明珠制药 传承健康 试制未来
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      分子式Molecular formula   :C7H707Bi

      分子量Molecular weight:412.13

      结构式Strutturaf formula: 

      形 状:本品为亮黄色粉末,无臭无味,几乎不溶于水、醇 、醚和氯仿 ,而溶于稀碱液中  。

      用  途 :收敛和防腐药 ,外用于湿疹等皮肤病。

      Descriptio,   :  Brilliant yellow powder ,no smell or taste ,almost not dissolve in water,alcohol ether and chloroform but dissolve in weak lye

      Usage:For astringent and antiseptic ,as well skin disease like eczema etc.

      质量标准Quality standard:USP标准

      检测项目Test

      检测标准Specification

      干燥失重Loss on dry

      ≤7.O%

      硝酸盐    Nitrate

      按照标准Accord with require

      (As)    Arsenic

      ≤7.5ppm

      碱金属和碱土金属Alkalies&Alkalin earth metals

      ≤0.5%

      (Cu)    Copper

      按照标准Accord with require

      (Ag)    Silver

      按照标准Accord with require

      (Pb)Lead

      按照标准Accord with require

      游离没食子酸    Free gallic acid

      ≤O.5%

      含量(以Bi203)Content of Bi203

      52%一57%


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