Bismuth Subnitrate
Bismuth Subnitrate
分子式 Molecular formula: 4BiNO3(OH)2BiO(OH)
分子量 Molecular weight:1461.987
性狀：白色微細粉末，不溶于水和醇，易溶于硝酸或鹽酸。
用途：主要用于制藥工業(yè)，具有收斂作用，可作胃藥，治療腸胃道疾病，也可用來處理創(chuàng)傷和止血；在臨床測試中化驗糖和生物堿。此外，還可用做防腐劑、除臭劑及色譜分析試劑等。
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.
質量標準Quality standard:USP27/國家標準 State standard
檢測項目 Test | 檢測標準 Specification | |
USP 27 | 國家標準 | |
干燥失重 Loss on dry | ≤3.0% | ≤2.5% |
氯化物 Chloride | ≤0.035% | ≤0.1% |
硫酸根 Sulfate | 按照標準Accord with require | ≤0.02% |
碳酸根 Carbonate | ≤0.005% | 按照標準Accord with require |
砷(As) Arsenic | ≤0.0008% | ≤2ppm |
銅(Cu) Copper | 按照標準Accord with require | ≤0.005% |
鉛(Pb) Lead | 按照標準Accord with require | ≤0.005% |
銀(Ag) Silver | ≤0.002% | 按照標準Accord with require |
堿金屬和堿土金屬Alkalies&Alkaline earth | ≤0.5% | ≤0.5% |
氨 Ammonium | 按照標準Accord with require | 按照標準Accord with require |
酸度 Acidity | 按照標準Accord with require | —— |
含量 Content | （以Bi2O3計）≥79% | （以Bi計）71.5%-74.5% |