|
Q/(HG)SJ 161-92 项目Item 分析纯 化学纯 (AR) (CP) 含量[Pb(BO2)2·H2O]Assay,% ≥ 99.0 98.0 硝酸不溶物Insoluble matter in nitric acid,% ≤ 0.01 0.02 氯化物(Cl)Chloride,% ≤ 0.003 0.005 硫酸盐(SO4)Sulfate,% ≤ 0.01 0.003 铁(Fe)Iron,% ≤ 0.002 0.006 重金属(以Pb计)Heavy metals,% ≤ 0.002 0.003 碱及碱土金属(以硫酸盐计)Alkali and alkali erath metals,% ≤ 0.25 0.50
|