子式Molecular formula：C7H5Bi04T： 魏-经理

分子量Molecular weight：362.11

性状：本品为白色或类白色粉末，能溶于酸、碱被分解，但不溶于水、醇和醚。无臭无味，遇光易变质，遇沸水被分解。

用 途：主要是抗螺旋体病药的原料。

Description：This product is white or almost white powder，can dissolve in acid and alkali，but can not dissolve in water，alcohol and ether，no smell or taste，easily degenerate under light and decompose in the boiled water．

Usage：Used as anti—spirochaetosis material

质量标准Quality standard：USP

检测项目Test

检测标准Specification

干燥失重Loss on dry

≤1．0％

硝酸盐 Nitrate

≤0．4％

游离水杨酸 Free salicylic acid

≤2．0％

铜(Cu) Copper

≤10ppm

银(Ag) Silver

≤10ppm

铅(Pb) Lead

≤10ppm

砷(As) Arsenic

≤10ppm

可溶性铋 Soluble bismuth

≤40ppm

含量(以Bi计) Content of Bismuth

56.0％-59.4％

含量(以水杨酸计)Content of total salicylates

36.5％-39.3％