• 氯化钾 [7447-40-7]

  • 英文名:Potassium chloride
  • CAS号:7447-40-7 分子式:CLK 分子量:74.55
P62713-500g 氯化钾 [7447-40-7] AR 500g 50.00 促销价:32.50
P62719-500g 氯化钾 [7447-40-7] GR 500g 53.00 促销价:34.45
P62710-100g 氯化钾 [7447-40-7] PT 100g 57.00 促销价:41.61
P62712-25g 氯化钾 [7447-40-7] SP 25g 50.00 促销价:36.50
P62712-500g 氯化钾 [7447-40-7] 分子生物学专用,≥99.5% 500g 431.00 促销价:280.15
P62713-100g 氯化钾 [7447-40-7] 分子生物学专用,≥99.5% 100g 175.00 促销价:113.75
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P62713-500g 氯化钾 [7447-40-7] AR 500g 50.00 32.50 登录可见
P62713-500g 氯化钾 [7447-40-7] AR 500g 50.00 促销价:32.50
P62719-500g 氯化钾 [7447-40-7] GR 500g 53.00 34.45 登录可见
P62719-500g 氯化钾 [7447-40-7] GR 500g 53.00 促销价:34.45
P62710-100g 氯化钾 [7447-40-7] PT 100g 57.00 41.61 登录可见
P62710-100g 氯化钾 [7447-40-7] PT 100g 57.00 促销价:41.61
P62712-25g 氯化钾 [7447-40-7] SP 25g 50.00 36.50 登录可见
P62712-25g 氯化钾 [7447-40-7] SP 25g 50.00 促销价:36.50
P62712-500g 氯化钾 [7447-40-7] 分子生物学专用,≥99.5% 500g 431.00 280.15 登录可见
P62712-500g 氯化钾 [7447-40-7] 分子生物学专用,≥99.5% 500g 431.00 促销价:280.15
P62713-100g 氯化钾 [7447-40-7] 分子生物学专用,≥99.5% 100g 175.00 113.75 登录可见
P62713-100g 氯化钾 [7447-40-7] 分子生物学专用,≥99.5% 100g 175.00 促销价:113.75
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

无色立方晶体或白色结晶。 易溶于水,稍溶于甘油,微溶于乙醇,不溶于浓盐酸、丙酮 熔点 770 °C(lit.) 沸点 1420°C 密度 1.98 g/mL at 25 °C(lit.) 折射率 n20/D 1.334 闪点 1500°C

质量标准

  

GBT/646-93
项目ltem                   优级纯     分析纯     化学纯
     (GR)  (AR)   (CP)
含量(KCl)Assay,%               ≥99.8       99.5       99.5
pH(50g/L溶液,25℃)pH of
water solution                               5.0-8.0    5.0-8.0    5.0-8.0
澄清度试验Clarity                         合格       合格       合格
水不溶物lnsoluble matter
in water,%                                 ≤0.003       0.005     0.02
溴化物(Br)Bromide,%               ≤0.01        0.02      0.05
碘化物(I)lodide,%                 ≤0.001       0.002     0.01
硫酸盐(SO4)Sulfale,%              ≤0.001       0.002     0.005
总氮量((N)Total nitrogen,%        ≤0.0005      0.001     0.001
磷酸盐(PO4)Sulfale,%              ≤0.0005      0.0005    0.002
钠(Na)Sodium,%                    ≤0.02        0.02      0.1
镁(Mg)Magnesium,%                 ≤0.0005      0.001     0.002
钙(Ca)Calcium,%                   ≤0.001       0.003     0.01
铁(Fe)lron,%                      ≤0.0001      0.0003    0.0005
钡(Ba)Barium,%                    ≤0.001       0.001     0.001
重金属(以Pb计)Heavy metals,%      ≤0.0005      0.0005    0.001


ACS级
项目名称                                      ACS Grade
含量Assay                                      99.0-100.5%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃ 5.4-8.2
水不溶物Insoluble matter                       ≤0.005%
碘化物(I)Iodide                                ≤0.002%
溴化物(以Br计)Bromide                          ≤0.01%
氯酸盐,
硝酸盐(以NO3计)Chlorate and nitrate            ≤0.003%
磷酸盐(PO4)Phosphate                           ≤5ppm
硫酸盐(SO4)Sulfate                             ≤0.01%
重金属(以Pb计)Heavy metals                     ≤5ppm
铁(Fe)Iron                                     ≤0.0003%
钙(Ca)Calcium                                  ≤0.002%
镁(Mg)Magnesium                                ≤0.001%
钠(Na)Sodium                                   ≤0.005%


品级Grade                               分子生物学专用级  
                                     (for molecular biology, ≥99.5%)
外观Appearance                          白色粉末
纯度Purity                              ≥99.5% (银量滴定,无水计)  
水溶解试验solubility in water           合格,20G/150ML水
水分water                               ≤2%(K.F)
水分MOISTURE CONTENT                    ≤ 2%(K.F)
铁IRON<                                 ≤ 3PPM(ICP-ATOMIC EMISSION)
重金属HEAVY METALS                      ≤ 5PPM (AS LEAD)
DNA酶、RNA酶和蛋白酶
DNASE, RNASE AND PROTEASE               NONE DETECTED


品级Grade                               细胞培养专用  
                                     (cell culture tested, ≥99.5%)
外观Appearance                          白色粉末
纯度Purity                              ≥99.5% (银量滴定,无水计)  
水溶解试验solubility in water           合格,20G/150ML水
细胞培养测试CELL CULTURE TEST            PASS
昆虫细胞培养测试INSECT CELL TEST         PASS
植物细胞培养测试PLANT CELL CULTURE TEST  PASS


≥99.99% metals basis:


外观Appearance                          白色结晶
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based On Trace Metals Analysis
CL                                      47.1% - 48.0%  (银量滴定)
ICP Assay                               Confirms potassium component
痕量金属分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
痕量金属分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
Rb                                      <50 ppm
Cs                                       <50 ppm



≥99.995% metals basis:


外观Appearance                          白色结晶或粉末
纯度Purity                              ≥99.995% Based On Trace Metals Analysis
CL                                      47.1% - 48.0%  (银量滴定)
ICP Assay                               Confirms potassium component
痕量金属分析Trace Metal Analysis        ≤50ppm by ICP Atomic emission
(Li、Na、Ni、Rb、Cs、Ca、Ba、Al、Pb、Mn、Bi、Eu)

  

危险性质

危险品标志  Xi,C,F
危险类别码  36-34-11
WGK Germany  1
RTECS号 TS8050000
F  8
安全说明  24/25-39-26-22-23-45-36/37/39-16
海关编码  31042090

  

用途及存储

  1. 用作分析试剂、基准试剂、色谱分析试剂及缓冲剂
  2. 用于制造碳酸钾等钾盐,生产G盐和活性染料,用于照相、电镀、钢铁热处理,也可用作消焰剂
  密封干燥保存。