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 test Appearance: white to almost white, crystalline powder Appearance of solution (5 g/l; water): clear to almost clear, colorless to slightly yellow Absorbance (260-280 nm, 10 g/l, 1 cm, water): ≤ 0.1 Spec. rotation (α 20/D, 10 g/l, hydrochloric acid 0.1 mol/l, calc. on dried substance): -65 to -85 Fe (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
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
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