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Appearance
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Colorless or white deliquescent solid
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Assay
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Min 99.0%
|
|
Insoluble matter in water
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Max 0.01%
|
|
Residue on ignition
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Max 0.02%
|
|
Chloride (Cl)
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Max 0.01%
|
|
Sulphate (SO4)
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Max 0.02%
|
|
Heavy metals (by ICP-OES)
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Max 0.001%
|
|
Iron (Fe)
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Max 0.002%
|
|
Substance discoloured by H2SO4
|
Passes test
|