Item
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Standard(BP98)
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Definition
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Complies with the test
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Characters
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A white, crystalline powder, colorless crystals or graniles
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Identification
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Complies with the test
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Assay
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99.5%~100.5%
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Loss on drying
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≤0.5%
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Resfily carbonisable sucbstances
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Pass the test
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Sulfate Ash
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≤0.1%
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Iron
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≤50ppm
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Chloride
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≤50ppm
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Oxalate
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≤300ppm
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Sulphate
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≤150ppm
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Heavy metals
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≤10ppm
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Arsenic
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≤4ppm
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Calcium
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≤200ppm
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Barium
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Pass the test
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Tridodecylamine
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≤0.1ppm
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