堿式?jīng)]食子酸鉍 Bismuth subgallate

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堿式?jīng)]食子酸鉍 Bismuth subgallate

明珠制藥 傳承健康 試制未來(lái)
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分子式Molecular formula:C7H707Bi

分子量Molecular weight:412.13

結構式Strutturaf formula: 

形 狀:本品為亮黃色粉末,無(wú)臭無(wú)味,幾乎不溶于水、醇、醚和氯仿,而溶于稀堿液中。

用  途:收斂和防腐藥,外用于濕疹等皮膚病。

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.

質(zhì)量標準Quality standard:USP標準

檢測項目Test

檢測標準Specification

干燥失重Loss on dry

≤7.O%

硝酸鹽    Nitrate

按照標準Accord with require

(As)    Arsenic

≤7.5ppm

堿金屬和堿土金屬Alkalies&Alkalin earth metals

≤0.5%

(Cu)    Copper

按照標準Accord with require

(Ag)    Silver

按照標準Accord with require

(Pb)Lead

按照標準Accord with require

游離沒(méi)食子酸    Free gallic acid

≤O.5%

含量(以Bi203)Content of Bi203

52%一57%


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