|
Appearance
|
White deliquescent pellets
|
|
Assay (as KOH)
|
85.0- 100.5%
|
|
Identification
|
Passes test
|
|
Appearance of solution
|
Passes test
|
|
Carbonate (as K2CO3)
|
Max 1.0%
|
|
Chloride (Cl)
|
Max 0.005%
|
|
Phosphate (PO4)
|
Max 0.0005%
|
|
Sulphate (SO4)
|
Max 0.003%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Iron (Fe)
|
Max 0.001%
|
|
Total nitrogen (N)
|
Max 0.001%
|
|
Calcium (Ca)
|
Max 0.005%
|
|
Nickel (Ni)
|
Max 0.001%
|
|
Sodium (Na)
|
Max 0.5%
|