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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 分析標(biāo)準(zhǔn)品,99.98% 25g RMB 319 Consulting service
Potassium chloride 分析標(biāo)準(zhǔn)品,K(99.97%)/Cl(100.00%) 25g RMB 748 Consulting service
Potassium chloride ≥99.99% metals basis 100g RMB 275 現(xiàn)貨
Potassium chloride 分子生物學(xué)專用, ≥99.5% 500g RMB 319 Consulting service
Potassium chloride 分子生物學(xué)專用, ≥99.5% 5kg RMB 1529 Consulting service
Potassium chloride 細(xì)胞培養(yǎng)專用, ≥99.5% 500g RMB 319 Consulting service
Potassium chloride 細(xì)胞培養(yǎng)專用, ≥99.5% 5kg RMB 1518 Consulting service
Potassium chloride ≥99.99% metals basis 500g RMB 1089 現(xiàn)貨
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:
白色結(jié)晶或結(jié)晶性粉末。易溶于水和甘油,微溶于醇,純品不潮解,幾乎不溶于醇和醚。
有苦咸味。有吸濕性。1g溶于2.8ml水、1.8ml沸水、14ml甘油、約250ml乙醇,不溶于乙醚、丙酮和鹽酸。鈉和鎂的氯化物,能降低其在水中的溶解度。15℃飽和水溶液的相對(duì)密度為1.172,pH約為7。有刺激性。
密度:1.98
熔點(diǎn):770℃
沸點(diǎn):1500℃(部分升華)
Quality Standard:
GBT/646-93
項(xiàng)目ltem                    優(yōu)級(jí)純     分析純     化學(xué)純
                    (GR) ?。ˋR)   (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
澄清度試驗(yàn)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
硫酸鹽(SO4)Sulfale,%              ≤0.001       0.002     0.005
總氮量((N)Total nitrogen,%        ≤0.0005      0.001     0.001
磷酸鹽(PO4)Sulfale,%              ≤0.0005      0.0005    0.002
鈉(Na)Sodium,%                    ≤0.02        0.02      0.1
鎂(Mg)Magnesium,%                 ≤0.0005      0.001     0.002
鈣(Ca)Calcium,%                   ≤0.001       0.003     0.01
鐵(Fe)lron,%                      ≤0.0001      0.0003    0.0005
鋇(Ba)Barium,%                    ≤0.001       0.001     0.001
重金屬(以Pb計(jì))Heavy metals,%      ≤0.0005      0.0005    0.001


ACS級(jí)
項(xiàng)目名稱                                      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計(jì))Bromide                          ≤0.01%
氯酸鹽,
硝酸鹽(以NO3計(jì))Chlorate and nitrate            ≤0.003%
磷酸鹽(PO4)Phosphate                           ≤5ppm
硫酸鹽(SO4)Sulfate                             ≤0.01%
重金屬(以Pb計(jì))Heavy metals                     ≤5ppm
鐵(Fe)Iron                                     ≤0.0003%
鈣(Ca)Calcium                                  ≤0.002%
鎂(Mg)Magnesium                                ≤0.001%
鈉(Na)Sodium                                   ≤0.005%


品級(jí)Grade                               分子生物學(xué)專用級(jí)  
                                     (for molecular biology, ≥99.5%)
外觀Appearance                          白色粉末
純度Purity                              ≥99.5% (銀量滴定,無水計(jì))  
水溶解試驗(yàn)solubility in water           合格,20G/150ML水
水分water                               ≤2%(K.F)
水分MOISTURE CONTENT                    ≤ 2%(K.F)
鐵IRON<                                 ≤ 3PPM(ICP-ATOMIC EMISSION)
重金屬HEAVY METALS                      ≤ 5PPM (AS LEAD)
DNA酶、RNA酶和蛋白酶
DNASE, RNASE AND PROTEASE               NONE DETECTED


品級(jí)Grade                               細(xì)胞培養(yǎng)專用  
                                     (cell culture tested, ≥99.5%)
外觀Appearance                          白色粉末
純度Purity                              ≥99.5% (銀量滴定,無水計(jì))  
水溶解試驗(yàn)solubility in water           合格,20G/150ML水
細(xì)胞培養(yǎng)測(cè)試CELL CULTURE TEST            PASS
昆蟲細(xì)胞培養(yǎng)測(cè)試INSECT CELL TEST         PASS
植物細(xì)胞培養(yǎng)測(cè)試PLANT CELL CULTURE TEST  PASS


≥99.99% metals basis:


外觀Appearance                          白色結(jié)晶
X-射線衍射分析X-Ray Diffraction         Conforms to Structure
純度Purity                              ≥99.99% Based On Trace Metals Analysis
CL                                      47.1% - 48.0%  (銀量滴定)
ICP Assay                               Confirms potassium component
痕量金屬分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
痕量金屬分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
Rb                                      <50 ppm
Cs                                       <50 ppm

≥99.995% metals basis:


外觀Appearance                          白色結(jié)晶或粉末
純度Purity                              ≥99.995% Based On Trace Metals Analysis
CL                                      47.1% - 48.0%  (銀量滴定)
ICP Assay                               Confirms potassium component
痕量金屬分析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。
配制緩沖溶液。點(diǎn)滴分析測(cè)定鉑。標(biāo)定硝酸銀標(biāo)準(zhǔn)溶液的基準(zhǔn)。高純分析。發(fā)射光譜分析。色譜分析。配制培養(yǎng)基。制藥。感光材料。食品添加劑,醫(yī)藥保健品。
99.999%用于磷酸鹽緩沖液的制備,并用于提取和溶解蛋白質(zhì)。
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