Quality Standard: Q/(HG)SJ 698-95
项目Item 分析纯 化学纯
(AR) (CP)
含量(H4MoNa2O6)Assay,% ≥99.0 98.5
澄清度试验Clarity 合格 合格
水不溶物Insiluble matter in water,% ≤0.01 0.02
氯化物(Cl)Chloride,% ≤0.005 0.01
硫酸盐(SO4)Sulfate ,% ≤0.005 0.01
硝酸盐(NO3)Nitrate,% ≤0.005 0.02
磷酸盐(PO4)Phosphate,% ≤0.001 0.003
铵盐(NH4)Ammonium,% ≤0.01 0.02
重金属(以Pb计)Heavy metals,% ≤0.001 0.002
ACS级
项目名称 ACS Grade
含量Assay 99.5-103.0%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃ 7.0-10.5
水不溶物Insoluble matter ≤0.005%
氯化物(Cl)Chloride ≤0.005%
磷酸盐(PO4)Phosphate ≤5ppm
硫酸盐(SO4)Sulfate ≤0.015%
铵(NH4)Ammonium ≤0.001%
重金属(以Pb计)Heavy metals ≤5ppm
铁(Fe)Iron ≤0.001%