Quality Standard: Q/HGSJ736-97
项目ltem 分析纯 化学纯
(AR) (CP)
含量(SrCL2•6H2O)Assay,% ≥99.5 99.0
水溶液反应Water solution reaction 合格 合格
澄清度试验Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤0.003 0.005
硝酸盐(NO3)Nitrate,% ≤合格 --
钙(Ca)Calcium,% ≤0.03 0.05
铁(Fe)Iron,% ≤0.0001 0.0005
钡(Ba)Barium,% ≤0.02 0.10
碱金属及镁(硫酸盐)Alkai.metals and
magnesium,% ≤0.01 0.02
重金属(以Pb计)Heavy metals,% ≤0.0002 0.001
ACS级
项目名称Item ACS Grade
含量(SrCL2•6H2O)2Assay 99.0-103.0%
pH(5%溶液,25.0℃)pH 5.0-7.0
水不溶物Insoluble matter ≤0.005%
硫酸盐(SO4)Sulfate ≤0.001%
钡(Ba)Barium(Ba) ≤0.05%
钙(Ca)Calcium(Ca) ≤0.05%
镁(Mg)Magnesium(Mg) ≤2ppm
重金属(以Pb计)Heavy metals(as Pb) ≤5ppm
铁(Fe)Iron(Fe) ≤5ppm