Bismuth Subnitrate
Bismuth Subnitrate
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 beused as stomach drug to treat the intestines and stomach disease, alsocan be used foe disposing wound and arresting the bleeding; essay sugarand alkaloid in clinic test. Also acted as antiseptics, deodorant andstratographic 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% |