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Dry Content：95.0%-100.5%
【Characteristics】:A white or almost white crystalline powder
Identification：USP24，USP26，BP98，EP97
Appearance of the solution：Clear and colourless
Crystallinly：Meets the requirements
Acidity：PH3.5-4.5
Specific Rotation：+115。-+130。
Water：＜0.6%
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