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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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