碱式硝酸铋

碱式硝酸铋 分子式 Molecular formula: 4BiNO3(OH)2BiO(OH) 分子量 Molecular weight:1461.987 性状：白色微细粉末，不溶于水和醇，易溶于硝酸或盐酸。 用途：主要用于制药工业，具有收敛作用，可作胃药，治疗肠胃道疾病，也可用来处理创伤和止血；在临床测试中化验糖和生物碱。此外，还可用做防腐剂、除臭剂及色谱分析试剂等。 Description: White superfine powder, not dissolve in water or alcohol, easily dissolve in nitric acid or hydrochloric acid. Usage: Mainly applied in pharmaceutical industry, owns the astringency, can be used as stomach drug to treat the intestines and stomach disease, also can be used foe disposing wound and arresting the bleeding; essay sugar and alkaloid in clinic test. Also acted as antiseptics, deodorant and stratographic analysis reagent etc. 质量标准Quality standard:USP27/国家标准 State standard 检测项目 Test 检测标准 Specification USP 27 国家标准 干燥失重 Loss on dry ≤3.0% ≤2.5% 氯化物 Chloride ≤0.035% ≤0.1% 硫酸根 Sulfate 按照标准Accord with require ≤0.02% 碳酸根 Carbonate ≤0.005% 按照标准Accord with require 砷(As) Arsenic ≤0.0008% ≤2ppm 铜(Cu) Copper 按照标准Accord with require ≤0.005% 铅(Pb) Lead 按照标准Accord with require ≤0.005% 银(Ag) Silver ≤0.002% 按照标准Accord with require 碱金属和碱土金属Alkalies&Alkaline earth ≤0.5% ≤0.5% 氨 Ammonium 按照标准Accord with require 按照标准Accord with require 酸度 Acidity 按照标准Accord with require —— 含量 Content （以Bi2O3计）≥79% （以Bi计）71.5%-74.5%