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Appearance
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White deliquescent crystals or crystalline powder
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Solubility
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100% Aq. Solution is clear & colourless
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Assay (argentometric)
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Min 99.9%
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pH (5% solution in water)
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5.0 - 8.0
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Loss on drying
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Max 0.1%
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Sulphate (SO4)
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Max 0.0005%
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Iron (Fe)
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Max 0.0001%
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Heavy metal (as Pb)
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Max 0.0001%
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UV absorbance of 50% solution in water
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|
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at 260 nm
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Max 0.02
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at 280 nm
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Max 0.02
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