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溴化钾
英文名:Potassium bromide
Cas号:7758-02-3
Cas号:7758-02-3
检测信息查询
货号 | 规格 | 货期 | 库存 | 价格 | 会员价 | 订购 |
13081044295-25g | 99.95% metals basis,无水级,粉末 | 2-3天 | 0 | ¥170 | 请登录 | |
13081044295-100g | 99.95% metals basis,无水级,粉末 | 2-3天 | 0 | ¥366 | 请登录 | |
13081044294-10g | 99.99% metals basis | 2-3天 | 0 | ¥58 | 请登录 | |
13081044294-25g | 99.99% metals basis | 2-3天 | 0 | ¥130 | 请登录 | |
13081044294-50g | 99.99% metals basis | 2-3天 | 0 | ¥217 | 请登录 | |
13081044291-10g | 99.999% metals basis | 2-3天 | 0 | ¥700 | 请登录 | |
13081044291-50g | 99.999% metals basis | 2-3天 | 0 | ¥2500 | 请登录 | |
130810442911-500g | AR,99% | 2-3天 | 0 | ¥59 | 请登录 | |
13081044293-25g | FT-IR grade, ≥99.5% | 2-3天 | 0 | ¥649 | 请登录 | |
13081044293-100g | FT-IR grade, ≥99.5% | 2-3天 | 0 | ¥1738 | 请登录 | |
13081044298-100g | GR | 现货 | 3 | ¥45 | 请登录 | |
13081044298-500g | GR | 现货 | 6 | ¥99 | 请登录 | |
130810442910-10g | SP,99% | 2-3天 | 0 | ¥118 | 请登录 | |
130810442910-50g | SP,99% | 2-3天 | 0 | ¥318 | 请登录 | |
13081044292-25g | 光谱纯SP | 2-3天 | 0 | ¥166 | 请登录 | |
13081044296-5g | 分析标准品,99.94% | 2-3天 | 0 | ¥85 | 请登录 |
别 名 | 钾溴,灰钾 bromide salt of potassium |
Cas号 | 7758-02-3 |
M D L | MFCD00011358 |
分子式 | KBr |
分子量 | 119.00 |
产品参数 | 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) |
性状 | 无色结晶或白色粉末,溶于水和甘油,微溶于乙醇和乙醚,稍有吸湿性。有强烈咸味,微苦。见光色变黄。水溶液呈中性。有刺激性。溶解度:: 650 g/L 水(20°C), 1020 g/L水(100°C),1.42 g/L 乙醇 (25°C) ,217 g/L 甘油。
密度:2.75 熔点:730℃ 沸点:1435℃ |
贮存 | 易吸潮,密封避光保存 点滴分析测定铜及银。极谱分析铟、镉和砷。显影剂。农药分析。 99.95%和99.99%级别用于分子生物学中去除外围膜蛋白。 FT-IR级用于FT-IR 光谱仪 |