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DL-Phenyalanine
CERTIFICATE OF ANALYSIS
ITEM Results Results Results Results Results
Batch No. 20030706 20030707 20030708 20030709 20030710
Quantity 1000kilos 1000kilos 1000kilos 1000kilos 1000KGS
Outer appearance White Crystalline powder White Crystalline powder White Crystalline powder White Crystalline powder White Crystalline powder
Melting point 187°~ 188℃ 187°~ 188℃ 187°~ 188℃ 187°~ 188℃ 187°~ 188℃
Loss on drying 0.18% 0.18% 0.18% 0.18% 0.19%
Residue on Ignition 0.08% 0.08% 0.08% <=0.08% 0.08%
Impurities 0.01% 0.01% 0.01%    
Heavy Metals 18ppm 18ppm 18ppm 18ppm 18ppm
Salted Substance 0.049% 0.048% 0.048% 0.048% 0.049%
Volatile Diazotizable substances 0.0018% 0.0018% 0.0017% 0.0018% 0.0018%
Assay 99.57% 99.61% 99.60% 99.66% 99.59%
Tested date: July 6, 2003 July. 7, 2003 July 8, 2003 July 9, 2003 July 10, 2003
Conclusions Conforms to USP24 Conforms to USP24 Conforms to USP24 Conforms to USP24 Conforms to USP24
Quality control ZCM ZCM ZCM ZCM ZCM

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