碳酸铵/506-87-6

色或白色立方晶体或粉末，有强烈的氨臭味，每100毫升水中的溶解克数:100g/20℃
质量标准
  

项目Item                                                                  分析纯    化学纯
                                                                                 (AR)      (CP)
含量(NH3)Assay,%                                                 ≥ 40.0     40.0
澄清度试验Clarity                                                  合格     合格
水不溶物Insoluble matter in water,%                  ≤ 0.02    0.01
灼烧残渣(以硫酸盐计)Ignition residue,%           ≤ 0.02    0.01
氯化物(Cl)Chloride,%                                            ≤ 0.05    0.001
硫化合物(以SO4计)Sulfur compounds               ≤ 0.002    0.005
铁(Fe)Iron,%                                                            ≤ 0.0081   0.0005
重金属(以Pb计)Heavy metals,%                          ≤ 0.0005   0.001