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Appearance
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White crystalline powder
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|
Specific rotation (C=10, H2O/dilute NH3) (Anhydrous substance)
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+52.5° to +53°
|
|
Insoluble matter
|
Max 0.005%
|
|
Titrable acid
|
Max 0.002 meq/gm
|
|
Residue on ignition
|
Max 0.02%
|
|
Chloride (Cl)
|
Max 0.01%
|
|
Sulphate & sulphite (as SO4)
|
Max 0.005%
|
|
Starch
|
Passes ACS test
|
|
Iron (Fe)
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Max 0.0005%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Arsenic (As)
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Max 0.00004%
|
|
Lead (Pb)
|
Max 0.0005%
|
|
Loss on drying (at 105°C; 6 hrs)
|
Max 0.2%
|