... , it can also be used as amino acid medicines, injection solution a nutritional infusion, the agent of protective liver, the therapy ... ) 99.0~101.0 98.5~101.5 Clarity of solution , Clear Clear Transmittance, % (2.5%, 430ml) ≥ 98.0 - - - pH Valu ... NH4), % ≤ 0.01 - - - Other amino acid Not detd. Not detd. DL-Methionine