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الشخص الذي يمكن الاتصال به Mr. Stones
Second street Wanlian vella 33, Tanggu, Tianjin
1ï&frac*4;ŽAppearance White crystalline powder 2ï&frac*4;ŽIdentity HPLC 3ï&frac*4;ŽContent B1a:*0%min B1(B1a+B1b):*5%min a (B1a/B1b):4%min 4.Loss on drying:2.0max xxxxx matter in acetone:0.2max 6.PH value:4.**7.0