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Appearance
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A white to creamy white, voluminous, free-flowing powder, with a characteristic faint odor and bitter, soapy taste
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Assay
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Min 99%
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Heavy metal (as Pb)
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Max 0.001%
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Iron (Fe)
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Max 0.001%
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Sulphated ash
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Max 0.1%
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Loss on drying (at 105°C; 2 hrs)
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Max 1.0%
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Appearance of Solution (2% in boiled and cooled water)
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The solution is clear and colorless
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