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

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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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