Appearance
|
A soft white crystalline powder
|
Assay
|
Min 99.7%
|
Solubility (5% in water)
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Clear and colorless
|
Chloride (Cl)
|
Max 0.001%
|
Sulphate (SO4)
|
Max 0.003%
|
Phosphate (PO4)
|
Max 0.005%
|
Iron (Fe)
|
Max 0.0005%
|
Heavy metal (as Pb)
|
Max 0.0005%
|
Copper (Cu)
|
Max 0.0005%
|
Nitrogen compounds (as N)
|
Max 0.001%
|
Potassium (K)
|
Max 0.005%
|