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Appearance
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Dark blue, crystalline powder with a copper-coloured sheen, or green crystals with a bronze-coloured sheen
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Assay
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95.0 - 101.0%
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Identity
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Passes test
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Solubility
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Passes test
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Methanol insoluble substances
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Max. 1.0%
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Related Substances
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Passes test
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Iron (Fe)
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Max. 0.02%
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Lead (Pb)
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Max. 0.001%
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Zinc (Zn)
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Max. 0.01%
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Sulphated ash (at 600°C)
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Max. 1.0%
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Loss on drying (at 105°C)
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8.0 - 22.0%
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