|
Appearance
|
White crystalline powder
|
|
Magnesium content (on dried basis)
|
14.5 - 16.4%
|
|
Identification as per USP
|
Passes test
|
|
pH (50 mg/mL)
|
5.0 - 9.0
|
|
Loss on drying (at 135°C;16 hrs)
|
Max 29.0%
|
|
Chloride (Cl)
|
Max 0.05%
|
|
Sulphate (SO4)
|
Max 0.2%
|
|
Arsenic (As)
|
Max 0.0003%
|
|
Heavy metal (as Pb)
|
Max 0.005%
|
|
Iron (Fe)
|
Max 0.02%
|
|
Calcium (Ca)
|
Max 1.0%
|
|
Organic volatile impurities (By GC)
|
To meet the requirment
|