溴化钾,钾溴,灰钾,7758-02-3,化夏试剂

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溴化钾 [7758-02-3]
英文名：Potassium bromide
别名：钾溴,灰钾
CAS号：7758-02-3 分子式：BRK 分子量：119

P60758-10g 溴化钾 [7758-02-3] 5N 10g 582.00 促销价:407.40
P60754-500g 溴化钾 [7758-02-3] ACS 500g 145.00 促销价:101.50
P60751-500g 溴化钾 [7758-02-3] AR 500g 75.00 促销价:48.75
P60755-100g 溴化钾 [7758-02-3] AR 100g 33.00 促销价:21.45
P60754-1kg 溴化钾 [7758-02-3] AR 1kg 150.00 促销价:97.50
P60753-500g 溴化钾 [7758-02-3] GR 500g 86.00 促销价:55.90
P60756-100g 溴化钾 [7758-02-3] GR 100g 40.00 促销价:26.00
P60751-100g 溴化钾 [7758-02-3] PT 100g 125.00 促销价:87.50
P60756-100g 溴化钾 [7758-02-3] SP 100g 370.00 促销价:277.50
P60757-25g 溴化钾 [7758-02-3] SP 25g 146.00 促销价:94.90

订货编号	商品名称	规格	包装	单价	促销价	会员价	数量
P60758-10g	溴化钾 [7758-02-3]	5N	10g	582.00	407.40	登录可见	P60758-10g 溴化钾 [7758-02-3] 5N 10g 582.00 促销价:407.40
P60754-500g	溴化钾 [7758-02-3]	ACS	500g	145.00	101.50	登录可见	P60754-500g 溴化钾 [7758-02-3] ACS 500g 145.00 促销价:101.50
P60751-500g	溴化钾 [7758-02-3]	AR	500g	75.00	48.75	登录可见	P60751-500g 溴化钾 [7758-02-3] AR 500g 75.00 促销价:48.75
P60755-100g	溴化钾 [7758-02-3]	AR	100g	33.00	21.45	登录可见	P60755-100g 溴化钾 [7758-02-3] AR 100g 33.00 促销价:21.45
P60754-1kg	溴化钾 [7758-02-3]	AR	1kg	150.00	97.50	登录可见	P60754-1kg 溴化钾 [7758-02-3] AR 1kg 150.00 促销价:97.50
P60753-500g	溴化钾 [7758-02-3]	GR	500g	86.00	55.90	登录可见	P60753-500g 溴化钾 [7758-02-3] GR 500g 86.00 促销价:55.90
P60756-100g	溴化钾 [7758-02-3]	GR	100g	40.00	26.00	登录可见	P60756-100g 溴化钾 [7758-02-3] GR 100g 40.00 促销价:26.00
P60751-100g	溴化钾 [7758-02-3]	PT	100g	125.00	87.50	登录可见	P60751-100g 溴化钾 [7758-02-3] PT 100g 125.00 促销价:87.50
P60756-100g	溴化钾 [7758-02-3]	SP	100g	370.00	277.50	登录可见	P60756-100g 溴化钾 [7758-02-3] SP 100g 370.00 促销价:277.50
P60757-25g	溴化钾 [7758-02-3]	SP	25g	146.00	94.90	登录可见	P60757-25g 溴化钾 [7758-02-3] SP 25g 146.00 促销价:94.90

化学性质

无色立方晶体。无臭，味咸而微苦。溶于水（100℃时溶解度为102g/100ml）和甘油，微溶于乙醇和乙醚。熔点 734 °C(lit.) 沸点 58.8 °C(lit.) 密度 3.119 g/mL at 25 °C(lit.) 蒸气密度 7.14 (vs air) 蒸气压 175 mm Hg ( 20 °C) 折射率 1.559 闪点 1435°C

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)
红外光谱Infrared spectrometry          红外谱图为直线，在中红外区几乎没有吸收

99.997% metals basis：

外观Appearance                         白色粉末或结晶
ICP:                                   Confirms Potassium Component
纯度Purity                             99.997% Based On Trace Metals Analysis
溴Br                                   66.1 - 68.1 % （Titration by AgNO3 )
痕量金属分析Trace Metal Analysis       ≤30.0 ppm by ICP

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)
红外光谱Infrared spectrometry          红外谱图为直线，在中红外区几乎没有吸收