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Potassium chloride

Cas:
7447-40-7
Molecular Structure:
MDL:
MFCD00011360
Molecular Formula:
KCL
Molecular Weight:
74.55
Alias:
Chlorid draselny chloride of potash chloropotassuril chlorure de potassium
Product order:
Name Specifications Packing Price Delivery
Potassium chloride GR 500g RMB 44 Consulting service
Potassium chloride AR 500g RMB 33 Consulting service
Potassium chloride CP 500g RMB 22 Consulting service
Potassium chloride PT 100g RMB 77 Consulting service
Potassium chloride SP 25g RMB 66 Consulting service
Potassium chloride 99.99% metals basis 25g RMB 77 Consulting service
Potassium chloride 分析标准品,99.98% 25g RMB 319 Consulting service
Potassium chloride 分析标准品,K(99.97%)/Cl(100.00%) 25g RMB 748 Consulting service
Potassium chloride ≥99.99% metals basis 100g RMB 275 现货
Potassium chloride 分子生物学专用, ≥99.5% 500g RMB 319 Consulting service
Potassium chloride 分子生物学专用, ≥99.5% 5kg RMB 1529 Consulting service
Potassium chloride 细胞培养专用, ≥99.5% 500g RMB 319 Consulting service
Potassium chloride 细胞培养专用, ≥99.5% 5kg RMB 1518 Consulting service
Potassium chloride ≥99.99% metals basis 500g RMB 1089 现货
Potassium chloride ≥99.995% metals basis 50g RMB 1287 Consulting service
Potassium chloride ≥99.995% metals basis 10g RMB 319 Consulting service
Potassium chloride ≥99.995% metals basis 250g RMB 5159 Consulting service
Potassium chloride 3.3mol/L(3.3N) 1L RMB 319 Consulting service
Potassium chloride 3mol/L(3N) 1L RMB 319 Consulting service
Character:
白色结晶或结晶性粉末。易溶于水和甘油,微溶于醇,纯品不潮解,几乎不溶于醇和醚。
有苦咸味。有吸湿性。1g溶于2.8ml水、1.8ml沸水、14ml甘油、约250ml乙醇,不溶于乙醚、丙酮和盐酸。钠和镁的氯化物,能降低其在水中的溶解度。15℃饱和水溶液的相对密度为1.172,pH约为7。有刺激性。
密度:1.98
熔点:770℃
沸点:1500℃(部分升华)
Quality Standard:
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)

Storage:
密封保存。
配制缓冲溶液。点滴分析测定铂。标定硝酸银标准溶液的基准。高纯分析。发射光谱分析。色谱分析。配制培养基。制药。感光材料。食品添加剂,医药保健品。
99.999%用于磷酸盐缓冲液的制备,并用于提取和溶解蛋白质。
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