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Appearance
|
A white crystalline powder/Crystal
|
|
Assay
|
Min 99.8%
|
|
pH (3% solution in water)
|
7.5 - 8.5
|
|
Chloride (Cl)
|
Max 0.002%
|
|
Sulphate (SO4)
|
Max 0.002%
|
|
Total nitrogen (N)
|
Max 0.001%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Potassium (K)
|
Max 0.005%
|
|
Loss on drying (at 105°C)
|
Max 1.0%
|