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Items
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Specifications
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Results
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Characters
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White or almost white crystalline powder
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White crystalline powder
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Indentification
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Complies
|
Complies
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Acidity or alkalinity
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PH 5.0-7.5
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PH 6.6
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Clarity of solution
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No more opalescent than reference suspension I
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Complies
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|
Color of solution
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Not more intensely coloured than intensity Y2 or G2 of the range of refernce
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Complies
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Loss on drying
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Not more than 1.0%
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0.1%
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Potency
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1440 u/mg~1680 u/mg
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1592 u/mg
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Related substances
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Any other impurities not more than 1%
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Complies
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Transmittance(400nm)
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Not less than 90%
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96%
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Assay (on dries basis)
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Not less than 95.0%
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99.7%
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