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Description
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White, crystalline powder. It is stable in dry air but slowly decomposes in moist air
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Solubility
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Soluble in water; insoluble in alcohol
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Identification
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-
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Identification 'A'
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Meets the requirements
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Identification 'B'
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Meets the requirements
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Assay (on dried basis)
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99.0 – 100.5%
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Insoluble substances
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The resulting solution is complete and clear
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Normal carbonate
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The solution does not assume more than a faint pink colour immediately
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Chloride and sulphate
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NMT 0.015%
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Sulphur compounds
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NMT 0.015%
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Arsenic
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NMT 2 PPM
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Ammonia (NH4)
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NMT 20 PPM
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Loss on drying
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NMT 0.25%
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