AR /  CP

Q/(HG)SJ 730-1977
项目Item                                                                  分析纯　　　　   化学纯
　　　　　　　　　　　　　　　　　　         (AR)                        (CP)
含量(C4H6MgO4•4H2O)Assay,%                       ≥99.0                    97.0
钙(Ca)Calcium,%                                            ≤0.01                    0.04
锰(Mn)Manganese,%                                       ≤0.001                  0.005
铁(Fe)Iron,%                                                  ≤0.0002                0.001
钡(Ba)Barium,%                                              ≤0.003                   0.05
重金属(以Pb计)Heavy metals,%                          ≤0.0005                 0.002
澄清度试验Clarity                                              合格　　　　　　 合格
水不溶物Insoluble matter,%                               ≤0.005                    0.01
氯化物(Cl)Chloride,%                                          0.005                    0.003
硫酸盐(SO4)Sulfate,%                                        ≤0.005                   0.01
磷酸盐(PO4)Phosphate,%                                   ≤0.001                    0.002