溴化钾|7758-02-3|钾溴,灰钾|艾科试剂

货号	品名	产品规格	包装	单价(RMB)	可用库存	备注
155574	溴化钾	99.9%	10g	45.00	>10	限时促销
155573	溴化钾	SP	10g	85.00	>10	限时促销
147586	溴化钾	SP	100g	430.00	>10	j-k
106960	溴化钾	AR	500g	60.00	>10	促销
106959	溴化钾	CP	500g	55.00	>10	促销
106958	溴化钾	GR	500g	80.00	>10	Q-D
106957	溴化钾	ACS	500g	119.00	>10	Q-D
106956	溴化钾	99.99%	10g	88.00	>10	限时促销
106955	溴化钾	SP	5g	48.00	>10	j-k
106954	溴化钾	PT	100g	68.00	>10	Q-D
106953	溴化钾	5N	10g	590.00	>10	Q-D
106952	溴化钾	FT-IR grade, ≥99.5%	25g	询价	>10	J-K

性状

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