硫酸铋的化学性质,质量标准及用途

性状白色针状结晶或粉未。呈酸性反应。在水或醇中分解成碱式盐。加热至465℃分解放出三氧化硫。能溶于稀盐酸或稀硝酸，不溶于水和醇。

密度:6.82

熔点:710℃

质量标准 

 项目                                                           化学纯   

                                                                     （CP） 

含量Assay                                                ≥98.0%  

澄清度试验Clarity                                     合格  

氯化物Chloride（Cl）                                  ≤0.005%  

硝酸盐Nitrate（NO3）                                    合格  

铁Iron（Fe）                                                  ≤0.002%  

铜copper（Cu）                                           ≤0.005%  

砷arsenic（As）                                          ≤0.001%  

铅lead（Pb）                                                ≤0.03%  

银silver（Ag）                                                 合格  

硫化氢不沉淀物unprecipitates for H2S（以硫酸盐计）    ≤0.03%  

项目                                                                  分析纯   

                                                                             （AR） 

含量Assay                                                      ≥99.0%  

澄清度试验Clarity                                             合格  

氯化物Chloride（Cl）                                      ≤0.002%  

硝酸盐Nitrate（NO3）                                    合格  

铁Iron（Fe）                                                      ≤0.001%  

铜copper（Cu）                                                ≤0.002%  

砷arsenic（As）                                               ≤0.0005%  

铅lead（Pb）                                                     ≤0.01%  

银silver（Ag）                                          合格  

硫化氢不沉淀物unprecipitates for H2S（以硫酸盐计）    ≤0.01% 

用途测定其他金属硫酸盐。用作分析试剂，也用于制药工业.

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