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Appearance
|
A white crystalline powder
|
|
Assay
|
Min 98.5%
|
|
Sulphate (SO4)
|
Max 0.01%
|
|
Calcium (Ca)
|
Max 0.005%
|
|
Cadmium (Cd)
|
Max 0.005%
|
|
Cobalt (Co)
|
Max 0.005%
|
|
Copper (Cu)
|
Max 0.005%
|
|
Iron (Fe)
|
Max 0.005%
|
|
Potassium (K)
|
Max 0.01%
|
|
Sodium (Na)
|
Max 0.01%
|
|
Nickel (Ni)
|
Max 0.005%
|
|
Lead (Pb)
|
Max 0.005%
|
|
Zinc (Zn)
|
Max 0.005%
|