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Appearance
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Colorless crystals or white crystalline powder, odour faint and characteristic
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|
Assay (by HPLC; on dried basis)
|
99.0 - 101.0%
|
|
Identification as per IP
|
Complies
|
|
Appearance of solution
|
Complies
|
|
pH (5% solution)
|
6.0 - 7.5
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|
Related Substances
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Complies
|
|
Heavy metal
|
Max 0.003%
|
|
Chloride (Cl)
|
Max 0.025%
|
|
Sulphates
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Max 0.0125%
|
|
Sulphated ash
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Max 0.1%
|
|
Loss on drying (Over P2O5, at 1.5 to 2.7 kPa for 18 hrs)
|
Max 0.5%
|