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Appearance
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A white crystalline powder
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Assay (acidimetric; on dried basis)
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Min. 99.0%
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Identity (IR)
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Conforms
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pH (10% suspension)
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5.5 - 7.5
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UV transmittance (0.005 mol/L; 1cm; water)
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|
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at 200 nm
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Min. 70%
|
|
at 220 nm
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Min. 90%
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|
at 250 nm
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Min. 98%
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|
Loss on drying (at 150°C)
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Max. 2%
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