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Sichuan Tongsheng Amino Acid Co.,Ltd

Free member Since 2004

Sichuan, China

Items Standard Appearance White to off-white powder Specific Rotation [20/D] (C=2 in C2H5OH) +22 to +26º Melting point 187-190¡æ Heavy Metals (Pb) Not more than 20 PPM Arsenic (As2O3) Not more than 2 PPM Loss on Drying Not more .....

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