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Appearance
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White or almost white, crystalline powder or colourless crystals
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Assay (acidimetric; on dried basis)
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99.5 - 100.5%
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Solubility
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Passes test
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Identification
|
Passes test
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Specific optical rotation ([α]20/D)
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+ 8.0° to + 9.2°
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Oxalic acid
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Max. 0.05%
|
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Chloride (Cl)
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Max. 0.05%
|
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Sulphate (SO4)
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Max. 0.05%
|
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Barium (Ba)
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Passes test
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Heavy metal (as Pb)
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Max. 0.001%
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Loss on drying (at 105°C)
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Max. 0.5%
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