| GB/T 621-93 项目Item 分析纯 化学纯 (AR) (CP) 含量(HBr)Assay,% ≥ 40.0 40.0 色度Color 合格 合格 灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.005 0.01 (Cl)Chloride,% ≤ 0.02 0.05 碘化物(I)Iodide,% ≤ 0.005 0.01 硫酸盐及亚硫酸盐(以SO4)Sulfate and sulfite,% ≤ 0.002 0.005 磷酸盐(PO4)Phosphate,% ≤ 0.0005 0.001 铁(Fe)Iron,% ≤ 0.0001 0.0002 砷(As),Arsenic,% ≤ 0.00004 0.0001 重金属(以Pb计)Heavy metals,% ≤ 0.0002 0.0005
ACS级 项目名称Item ACS Grade 含量(HBr)Assay(HBr) 47.0-49.0% 灼烧残渣Residue after ignition ≤0.005% Cl)Chloride(Cl) ≤0.05% 碘化物(I).Iodide(I) ≤0.003% 磷酸盐(PO4)Phosphate ≤0.001% 硫酸盐和亚硫酸盐(SO4)Sulfate and sulfite ≤0.003% 重金属(以Pb计)Heavy metals(as Pb) ≤5ppm 铁(Fe)Iron(Fe) ≤1ppm 硒(Se)Selenium(Se) ≤0.01ppm
48 wt. % in H2O, ≥99.99%:
外观Appearance 无色至黄色液体 纯度Purity ≥99.99% Based On Trace Metals Analysis of ICP HBr 47.0 - 49.0 % (Titration by NAOH) 痕量金属分析Trace Metal Analysis ≤100ppm by ICP Atomic emission |