|
Appearance
|
Colorless crystals or white crystalline powder
|
|
Assay
|
98-101.0%
|
|
Identification test (as per BP, EP, USP)
|
-
|
|
Reaction of chloride
|
The precipitate dissolve easily with the possible exception of a few large particles which dissolve slowly
|
|
Reaction of magnesium
|
A white crystalline precipitate is formed
|
|
Appearance of solution
|
Clear and colorless
|
|
Alcohol insoluble matter
|
Passes test
|
|
Insoluble matter in water
|
Max 0.005%
|
|
Acidity or alkalinity
|
Not more than 0.3 mL of 0.01M hydrochloride acid or 0.01M sodium hydroxide is required to change of the indicator
|
|
Nitrogen compounds (as N)
|
Max 0.002%
|
|
Phosphate (PO4)
|
Max 0.0005%
|
|
Sulphate (SO4)
|
Max 0.002%
|
|
Arsenic (As)
|
Max 0.0002%
|
|
Barium (Ba)
|
Max 0.005%
|
|
Calcium (Ca)
|
Max 0.01%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Manganese (Mn)
|
Max 0.0005%
|
|
Potassium (K)
|
Max 0.005%
|
|
Sodium (Na)
|
Max 0.005%
|
|
Strontium (Sr)
|
Max 0.005%
|
|
Bromide (Br)
|
Max 0.05%
|
|
Aluminium (Al)
|
Max 0.0001%
|
|
Heavy metals
|
Max 0.001%
|
|
Water
|
51 - 55% (by Karl-Fisher per EP. Use custom method "KF MgCl2.6H2O" on autotitrator.
|
|
pH
|
4.5 - 7.0
|