Potassium bromide

MDL：
MFCD00011358

Molecular Formula：
KBr

Molecular Weight：
119.00

Alias：
钾溴,灰钾 bromide salt of potassium

Product order：

Name	Specifications	Packing	Price	Delivery
Potassium bromide	AR	500g	RMB 93.5	现货
Potassium bromide	GR	500g	RMB 99	现货
Potassium bromide	光谱纯SP	25g	RMB 121	Consulting service
Potassium bromide	99.95% metals basis，无水级，粉末	25g	RMB 121	Consulting service
Potassium bromide	ACS	500g	RMB 99	Consulting service
Potassium bromide	分析标准品，99.94%	5g	RMB 88	Consulting service
Potassium bromide	99.95% metals basis，无水级，粉末	100g	RMB 429	Consulting service
Potassium bromide	99.99% metals basis	10g	RMB 121	Consulting service
Potassium bromide	99.99% metals basis	50g	RMB 539	Consulting service
Potassium bromide	FT-IR grade, ≥99.5%	25g	RMB 649	Consulting service
Potassium bromide	FT-IR grade, ≥99.5%	100g	RMB 1738	Consulting service
Potassium bromide	光谱纯SP	100g	RMB 385	Consulting service
Potassium bromide	99.999% metals basis	10g	RMB 649	Consulting service
Potassium bromide	99.999% metals basis	50g	RMB 2739	Consulting service

Character：
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℃

Quality Standard：
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)  

Storage：
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