| 质量标准： |
GBT649-77
项目ltem 分析纯 化学纯
含量(KBr)Assay,% ≥99.0 98.0
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,% ≤0.005 0.01
氯化物(Cl)Chloride,% ≤0.2 0.5
溴酸盐(BrO3)Bromate,% ≤0.001 0.003
碘化物(I)lodide,% ≤0.005 0.01
硫酸盐(SO4)Sulfate,% ≤0.002 0.005
氮化合物(N)Nitrogen compounds,% ≤0.001 0.002
钠(Na)Sodium,% ≤0.02 0.05
镁(Mg)Magnesium,% ≤0.0005 0.002
钙(Ca)Calcium,% ≤0.002 0.005
钡(Ba)Barium,% ≤0.002 0.005
铁(Fe)lron,% ≤0.0002 0.0005
重金属(以Pb计)Heavy metals,% ≤0.0002 0.0005
项目名称 ACS Grade
含量(KBr)Assay ≥99.0%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃ 5.0-8.8
水不溶物Insoluble matter ≤0.005%
溴酸盐(BrO3)Bromate ≤0.001%
碘酸盐(IO3)Iodate ≤0.001%
氯化物(Cl)Chloride(Cl) ≤0.2%
碘化物(I)Iodide ≤0.001%
硫酸盐(SO4)Sulfate ≤0.005%
钡(Ba)Barium ≤0.002%
重金属(以Pb计)Heavy metals ≤5ppm
铁(Fe)Iron ≤5ppm
钙(Ca)Calcium ≤0.002%
镁(Mg)Magnesium ≤0.001%
钠(Na)Sodium ≤0.02%
品级Grade 光谱纯SP
(optical grade, ≥99.9%)
外观Appearance 白色粉末或结晶
纯度Purity ≥99.9% Based On Trace Metals Analysis(ICP and AA Combined)
ICP: Confirms Potassium Component
溴Br 66.5 - 67.8 % (Titration by AgNO3 )
痕量金属分析Trace Metal Analysis ≤1000.0 ppm by ICP Atomic emission
(Ba，Ca,Mn,Pb )
痕量金属分析Trace Metal Analysis ≤1000.0 ppm Atomic Absorption
(Na,Ru)
99.999% metals basis：
外观Appearance 白色粉末或结晶
ICP: Confirms Potassium Component
纯度Purity 99.999% Based On Trace Metals Analysis
溴Br 66.1 - 68.1 % （Titration by AgNO3 )
痕量金属分析Trace Metal Analysis ≤20.0 ppm by ICP
(Na、Rb、Cs、Zn、B、Al、Pb、Mn)
99.99% metals basis：
外观Appearance 白色粉末或结晶
ICP: Confirms Potassium Component
纯度Purity 99.99% Based On Trace Metals Analysis
溴Br 66.1 - 68.1 % （Titration by AgNO3 )
痕量金属分析Trace Metal Analysis ≤200.0 ppm by ICP and AA
(Na、Rb、Cs、Zn、B、Al、Pb、Mn)
99.95% metals basis，无水级，粉末：
外观Appearance 白色粉末
ICP: Confirms Potassium Component
纯度Purity 99.95% Based On Trace Metals Analysis
溴Br 66.1 - 68.1 % （Titration by AgNO3 )
痕量金属分析Trace Metal Analysis ≤600.0 ppm by ICP and AA
(Na、Rb、Cs、Zn、B、Al、Pb、Mn)
品级Grade FT-IR级
(FT-IR grade, ≥99.5%)
外观Appearance 白色粉末或结晶
红外光谱Infrared spectrum Pass
纯度Purity 99.5% Based On Trace Metals Analysis
痕量金属分析Trace Metal Analysis ≤10000 ppm by ICP and AA
(Na、Rb、Ca、Al、Tl、Mn)
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