1,Formula:KCl
2,Formula wt:74.55
3,CAS: [7447-40-7]
4,Specificity: Colorless crystal or white crystalline powder; odorless; taste salty; easily soluble in water, soluble in glycerine, slightly soluble in ethanol; relative density 1.98, melting point 773℃.
5,Packing: 25kg net paper bag or 1mt big bag with PE liner.
Name of index |
FCC-V |
QB2554-2002 |
Analytical grade |
Content,≥% |
99.0 |
97.0 |
99.5 |
Acidity and Alkalinity |
Pass test |
-- |
-- |
As,≤% |
-- |
0.00005 |
-- |
Heavy metals (As Pb) ≤% |
0.0005 |
0.0001 |
0.0005 |
Test of iodide |
Pass test |
-- |
≤0.002% |
Test of bromide |
Pass test |
-- |
≤0.02% |
Loss on drying ≤% |
1 |
1 |
-- |
Sodium test |
negative |
- |
≤0.02% |
Magnesium ≤% |
-- |
-- |
0.001 |
Calcium ≤% |
-- |
-- |
0.003 |
Degree of whiteness |
- |
80 |
-- |
Iron ≤% |
-- |
-- |
0.0003 |
Barium ≤% |
-- |
-- |
0.001 |
NaCl,≤% |
- |
1.45 |
-- |
Sulphate ≤% |
-- |
-- |
0.002 |
Phosphate ≤% |
-- |
-- |
0.0005 |
Nitrogen ≤% |
-- |
-- |
0.01 |
Water insoluble ≤% |
-- |
0.05 |
0.005 |
Foreign matter soluble in water ≤% |
-- |
0.5 |
-- |
pH value (50g,25℃) |
-- |
-- |
5.0-8.0 |
Clear grade |
-- |
-- |
Pass test |
NH4+,≤% |
-- |
0.01 |
-- |
|