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Appearance
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White, crystalline powder or colourless, small crystals or shiny flakes
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Assay (by HClO4 titration; on dried basis)
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99.5%-100.5%
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Identification
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To comply as per pharma specificaiton
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Solubility
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Passes test
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Appearance of solution
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Passes test
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Acidity
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Passes test
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Chloride (Cl)
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Max 0.02%
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Sulphate (SO4)
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Max 0.06%
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Heavy metal (as Pb)
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Max 0.002%
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Arsenic (As)
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Max 0.0002%
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Loss on drying (at 105°C)
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Max 0.5%
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