Appearance
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Cream to pale yellowish brown colored powder
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Assay
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91 - 106%
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Identification 'A' & 'B'
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To comply USP test
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Loss on drying (at 105°C; 4 hrs)
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Max 15.0%
|
Arsenic (As)
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Max 0.00015%
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Total ash
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18-27%
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Lead (Pb)
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Max 0.0005%
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Heavy metal (as Pb)
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Max 0.004%
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Viscosity (1% w/w solution; 25°C; on dry basis)
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Min 30 cps
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Microbial Limits
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To comply USP test
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