English
Assay (perchloric acid titration): ≥ 99.7 %
Identity (IR-spectrum): passes test
Chloride (Cl): ≤ 0.003 %
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.02 %
Foreign amino acids: ≤ 0.1 %
Other ninhydrine positive substances: ≤ 0.1 %
Suitability (as buffer substance for electrophoresis): passes test
