Product Detail

L-Tyrosine	USP40	AJI92	EP6
Assay	98.5-101.5%	99.0-100.5%	99.0-101.0%
PH	/	5.0-6.5	/
Specific rotation[a]D20	/	-11.3°--12.1°	-11.0°—12.3°
Specific rotation[a]D25	-9.8°--11.2°	/	/
Transmittance(T430)	/	≥95.0%	/
Chloride(Cl)	≤0.04%	≤0.02%	≤0.02%
Ammonium(NH4)	/	≤0.02%	≤0.02%
Sulfate(SO4)	≤0.04%	≤0.02%	≤0.03%
Iron(Fe)	≤30PPM	≤10PPM	≤10PPM
Heavy metals(Pb)	≤15PPM	≤10PPM	≤10PPM
Arsenic	/	≤1PPM	/
Other amino acids	individual impurities≤0.5% total impurities≤2.0%	conform	/
Ninhydrin-positive substances	/	/	confirm
Loss on drying	≤0.3%	≤0.20%	≤0.50%
Residue on ignition	≤0.40%	≤0.10%	≤0.10%