L-Alanine 99%, meets analytical specification of Ph.Eur.
Supplier: Thermo Scientific
ACRO451850025EA
314
EUR
ACRO451850025
ACRO451852500
ACRO451850010
L-Alanine 99%, meets analytical specification of Ph.Eur.
L-Alanine
Specification Test Results
Appearance | Colorless to white to almost white Crystals or crystalline powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (1 g, 105°C) |
Sulfated ash | ≤0.1 % (1 g, 600°C) |
Appearance of solution | Clear and not more intensely colored than reference solution BY6 |
Specific optical rotation | +13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (dried substance) |
Titration with HClO4 | 98.5 to 101.0 % (dried substance) |
Sulfates | ≤300 ppm |
Chlorides | ≤200 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤10 ppm |
Ninhydrin-positive substances | ≤0.10 % (Any ninhydrin-positive substance) |
Ninhydrin-positive substances | ≤0.5 % (Total) |
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