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Appearance
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Colorlss or translucent crystals or white, fine to granular, crystalline powder
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Assay (on dried basis)
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99.7 – 100.5%
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Identification 'A'
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Tartrate - A reddish-pink color is produced within 15 min
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Identification 'B'
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IR Spectrum - Confirms
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Residue on ignition
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NMT 0.1%
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Chloride and sulphate
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No turbidity is produced
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Optical rotation
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+12.0° to +13.0°
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Loss on drying
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NMT 0.5%
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Oxalate
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No turbidity is produced
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