2012年3月7日星期三

Specifications of L-Tyrosine Cell culture grade


Product name: L-Tyrosine Cell culture grade
Description of L-Tyrosine Cell culture grade:
Specification:  
Pyrogen test: complies 
Assay (titr.) :min. 99 % 
α20°C/D; 5 %, HCl: -12.1° - -11.3° 
Other amino acids :max. 0.5 % 
Ammonium: max. 0.1 % 
Chloride :max. 0.02 % 
Sulfate: max. 0.02 % 
As :max. 0.0001 % 
Fe :max. 0.001 % 
Pb: max. 0.001 %
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