Detailed information on the Star Product |
Appearance: | White crystalline powder
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Specific rotation(a)D20 (C=1 , H2O ): | +7.7o to +8.5o
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Solubility (1.0g/20ml H2O): | Clear Colorless
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Melting Point (oC): | 211-216 oC
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Chloride(C1): | Not more than 0.02%
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Iron(Fe): | Not more than 10ppm
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Heavy metals( Pb ): | Not more than 10ppm
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Arsenic(As2O3 ): | Not more than 4ppm
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Loss on drying( 100 ¡æ 3h): | Not more than 0.50%
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Residue on ignition: | Not more than 0.2%
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Assay: | 98.0-102.0%
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PH: | 5.0~6.0 |
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