Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %Identity (IR-spectrum): passes testAppearance: white to almost white or colorless, needle-shaped crystalsAppearance of solution (1 mol/l, water): clear and colorlessSpec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +14.3 to +15.8UV-Absorption(260 nm; 1 mol/l; 1 cm; water): ≤ 0.05UV-Absorption(280 nm; 1 mol/l; 1 cm; water): ≤ 0.02Chloride (Cl): ≤ 0.02 %Sulfate (SO₄): ≤ 0.01 %Heavy metals (as Pb): ≤ 0.001 %As (Arsenic): ≤ 0.0005 Ê (Calcium): ≤ 0.001 %Co (Cobalt): ≤ 0.0005 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.0005 %Mg (Magnesium): ≤ 0.0005 %Na (Sodium): ≤ 0.005 %NH₄ (Ammonium): ≤ 0.01 %Zn (Zinc): ≤ 0.0005 %Foreign amino acids: ≤ 0.3 %Other ninhydrine positive substances: ≤ 0.1 %Loss on drying (105 °C; 3 h): ≤ 0.3 %

Packaging

100 g in Plastic bottle

10 g in Glass bottle

1 kg in Plastic bottle