Factory Location: China Shandong Jinan

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Sample Provided: no

1. National drug standard WS-10001-(HD-1072)-2002Appearance:A white crystal powderAssay: Not less than 99.0%Melting point:174-178oCLoss on drying: Not more than 0.5%Residue on ignition: Not more than 0.1%Acidity:4.5~5.5Heavy metals: Not more than 10ppmClarity:clearB:Accord with Japan Pharmacopoeia 15th editionAppearance:A white crystalline powder. Assay: Not less than 98.5PH:4.5~5.5Melting point:167~174Reidue on ignition: Not more than 0.1% Loss on drying:Not more than 0.5%Sulphated ash:Not more than 0.1% Piperidine hydrochloride:Not more than 0.1%Sulfate:Not more than 0.005%