质量标准: | Q/(HG)SJ751-1997 项目ltem 分析纯 化学纯 (AR) (CP) 含量(SrCO3)Assay,% ≥ 99.0 97.0 澄清度试验Clarity 合格 合格 盐酸不溶物Insoluble matter in hydrochloric acid,% ≤ 0.007 0.01 氯化物(Cl)Chloride,% ≤ 0.001 0.002 硫酸盐(SO4)Sulfale,% ≤ 0.01 0.02 硝酸盐(NO3)Nitrate,% ≤ 0.015 0.06 钙(Ca)Calcium,% ≤ 0.04 0.2 镁(Mg)Magnesium,% ≤ 0.01 0.02 铁(Fe)Iron ,% ≤ 0.001 0.002 钡(Ba)Barium,% ≤ 0.05 0.2 重金属(以Pb计)Heavy metals,% ≤ 0.002 0.005 碳酸锶,1633-05-2,Strontium Carbonate 项目 高纯级 SrCO3(以干基计)% ≥99.5 Na% ≤0.002 Mg% ≤0.001 Ca% ≤0.05 Ba% ≤0.05 Cl% ≤0.005 Fe% ≤0.001 H2O% ≤0.1 D50 0.5-1.0μm 项目 SP级(光谱级) SrCO3(以干基计)% ≥99.5 Sr% ≤0.003 Mg% ≤0.005 Ca% ≤0.02 Ba% ≤0.05 Fe% ≤0.001 重金属(以Pb计)Heavy metals,% ≤ 0.002 澄清度试验 合格 阳离子符合光谱定性 合格 项目 99.99% metals basis: 外观Appearance 白色至类白色粉末或结晶 ICP: Confirms Strontium Component Confirmed 纯度Purity ≥99.99% Based On Trace Metals Analysis ICP: Confirms Strontium Component Confirmed 痕量金属分析Trace Metal Analysis ≤200ppm by ICP Atomic emission (Rb、Cu、Ba、Y、Ti、Cr、Sb、Fe) 项目 99.995% metals basis: 外观Appearance 白色至类白色粉末或结晶 ICP: Confirms Strontium Component Confirmed 纯度Purity ≥99.995% Based On Trace Metals Analysis ICP: Confirms Strontium Component Confirmed 痕量金属分析Trace Metal Analysis ≤50ppm by ICP Atomic emission (Rb、Cu、Ba、Y、Ti、Cr、Sb、Fe) |