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China
Persona de contacto Mr. sun
hongkong road, qingdao, shandong
Appearance White or colorless crystalline powder White crystalline powder Assay *9.0 % min *9.*6% Melting range ******1&#***1; **8.6&#***1; Loss on drying 0.4% max 0.*5% Phenol 0.*0%max 0.*0% Cardonizable substances Lighter than No. six Pass Number of black *2max 8 Number of foreign matter 5max Pass