product details
Product Information
Potassium chloride KCl
Relative molecular Weight:74.55
Properties: White crystalline orcrystalline powder.The relative density of 1.984, the melting point of 773 ° C, theboiling point of 1500 ° C.Soluble in water, slightly soluble in ethanol, insoluble in etherand acetone.
Productstandards NO:GB 646-93
Specifications: Content and content of impurities in %
Test Items | AR | CP |
Content | 99.8 | 99.5 |
Clarity test | Qualified | Qualified |
Water insoluble matter | 0.005 | 0.02 |
Iodide (I) | 0.002 | 0.01 |
Bromide(Br) | 0.02 | 0.05 |
Sulfate(SO4) | 0.002 | 0.005 |
Total nitrogen content(N) | 0.001 | 0.001 |
Phosphate(PO4) | 0.0005 | 0.002 |
Sodium(Na) | 0.02 | 0.01 |
Magnesium(Mg) | 0.001 | 0.002 |
Calcium(Ca) | 0.003 | 0.001 |
Iron(Fe) | 0.0003 | 0.0005 |
Barium(Ba) | 0.001 | 0.001 |
Heavy metals(以Pb计) | 0.0005 | 0.001 |
Usage:Use for analyzing the reagents.suchas as Benchmark reagent for Calibration of nitrate standard solution.As abuffer agent.It is used as a supporting electrolyte in polarographic analysisand Forming Agent for Solid Specimens in Infrared Spectroscopy Analysis.Alsoused in the preparation of potassium salt and pharmaceutical industry.
Reagent Grade Potassium chloride AR Grade