PROTAMINE SULFATE FOR BIOCHEMISTRY

Analysis Note

Nitrogen content (Kjeldahl; calc.on dried substance): 22.5 - 25.5 %Assay of sulfate (gravimetrically; calc. on dried substance): 16 - 22 %Identity (IR-spectrum): passes testAppearance: white to almost white, crystalline powderAppearance of solution (5 g/l; water): clear to almost clear, colorless to slightly yellowAbsorbance (260-280 nm, 10 g/l, 1 cm, water): ≤ 0.1Spec. rotation (α 20/D, 10 g/l, hydrochloric acid 0.1 mol/l, calc. on dried substance): -65 to -85Fe (Iron): ≤ 0.001 %Hg (Mercury): ≤ 0.001 %Heavy metals (as Pb): ≤ 0.002 %Loss on drying (105 °C; 3 h): ≤ 5 %

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Warning

Toxicity: Carcinogenic / Teratogenic (D)