Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0Identity (IR-spectrum): passes testAppearance: colorless to white, needle-shaped crystalsAppearance of solution (100 g/l, hydrochloric acid 2 mol/l): clear and colorlessSpec. rotation (α 20/D, 80 g/l, hydrochloric acid 1 mol/l, calc.on dried substance): +8.3 to +9.5pH (25 g/l; CO₂-free water): 4.5 - 5.5Chloride (Cl): ≤ 0.04 %Sulfate (SO₄): ≤ 0.03 %Heavy metals (as Pb): ≤ 0.001 %As (Arsenic): ≤ 0.0001 Ê (Calcium): ≤ 0.001 %Co (Cobalt): ≤ 0.0005 þ (Iron): ≤ 0.0010 %K (Potassium): ≤ 0.0005 %Mg (Magnesium): ≤ 0.0005 %Na (Sodium): ≤ 0.01 %NH₄ (Ammonium): ≤ 0.02 %Zn (Zinc): ≤ 0.0005 %Foreign amino acids: ≤ 0.5 %Other ninhydrine positive substances: ≤ 0.1 %Loss on drying (105 °C; 3 h): ≤ 0.5 %

Packaging

10 kg in Plastic drum

1 kg in Plastic bottle

25, 100 g in Plastic bottle