Analysis Note
Assay (perchloric acid titration): ≥ 99 %
Identity (IR-spectrum): passes test
Spec. rotation(α 20/D; 5 %; hydrochloric acid 1 mol/l): -0.1 to +0.1
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances(as Glycine): ≤ 0.1 %