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Appearance
|
A light white powder
|
|
Assay (as Mg; complexometric)
|
Min 24%
|
|
Substance soluble in water
|
Max 0.5%
|
|
Substance insoluble in HCl
|
Max 0.005%
|
|
Chloride (Cl)
|
Max 0.005%
|
|
Sulphate (SO4)
|
Max 0.003%
|
|
Total nitrogen (N)
|
Max 0.001%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Barium and strontium (as Ba)
|
Max 0.001%
|
|
Calcium (Ca)
|
Max 0.01%
|
|
Copper (Cu)
|
Max 0.0005%
|
|
Iron (Fe)
|
Max 0.001%
|
|
Potassium (K)
|
Max 0.001%
|
|
Sodium (Na)
|
Max 0.1%
|
|
Lead (Pb)
|
Max 0.001%
|
|
Zinc (Zn)
|
Max 0.0005%
|