L-Methionine (Ph. Eur., USP) pure, pharma grade

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L-Methionine (Ph. Eur., USP) pure, pharma grade
Content: 100 GRM
Physical Description:
Solid
• All amino acids from AppliChem are of non-animal origin!
Specification: Assay (titr.)@99.0 - 101.0 %§a25°C/D; 2 %, 6 M HCl@+22.4° - +24.7°§Appearance of solution@passes test§Identity@passes test§pH (1 %; H2O)@5.6 - 6.1§Sulfated ash@max. 0.1 %§Loss on drying (3 h; 105°C)@max. 0.3 %§a20°C/D; 2 %, 250 g/L HCl (calc. on dried subst.)@+22.5° - +24.0°§pH (2.5 %; H2O)@5.5 - 6.5§Ammonium@max. 0.02 %§Chloride@max. 0.02 %§Sulfate@max. 0.03 %§Fe@max. 0.001 %§Related substances (Ph. Eur.)@§Each individual impurity@max. 0.1 %§Total impurities@max. 0.3 %§Related substances (USP)@§Methionine sulfoxide@max. 0.1 %§N-Acetyl-D,L- methionine@max. 0.2 %§Any unspecified impurity@max. 0.1 %§Total unspecified impurities@max. 0.30 %