Potassium chloride 7447-40-7 Chlorid draselny;chloriddraselny;chlorideofpotash;Chloropotassuril;Chloropotassuril diffu-K;chloruredepotassium;Chlorvescent;ClK
Potassium Chloride ( Reagent Grade)
Item |
AR grade |
CP grade |
Description |
White or almost white, crystalline powder or colorless crystals. Freely soluble in water, practically insoluble in anhydrous ethanol |
|
Assay w/% |
≥99.5 |
≥99.5 |
pH(50g/L,25℃) |
5.0~8.0 |
5.0~8.0 |
Clearance of solution |
≤3 |
≤5 |
Insoluble substance,w/% |
≤0.005 |
≤0.02 |
Iodides,w/% |
≤0.002 |
≤0.01 |
Br,w/% |
≤0.02 |
≤0.01 |
SO4,w/% |
≤0.002 |
≤0.005 |
N,w/% |
≤0.001 |
≤0.001 |
PO4,w/% |
≤0.0005 |
≤0.002 |
Na,w/% |
≤0.02 |
≤0.1 |
Mg,w/% |
≤0.001 |
≤0.002 |
Ca,w/% |
≤0.003 |
≤0.01 |
Fe,w/% |
≤0.0003 |
≤0.0005 |
Ba,w/% |
≤0.001 |
≤0.001 |
Pb,w/% |
≤0.0005 |
≤0.001 |
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