L-Alanine 99%

Supplier: Thermo Scientific

ACRO102831000EA 79.4 EUR
ACRO102831000 ACRO102835000 ACRO102830250
L-Alanine 99%
L-Alanine

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Specification Test Results

Appearance White to off-white Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.2 % (105°C, 3 h)
Sulfated ash ≤0.1 %
UV transmittance ≥95 % (c=10, H2O, 430 nm) 1 cm cell
pH 5.5 to 7 (2.5 % at 25°C)
Specific optical rotation +13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (on dry substance)
Titration with HClO4 98.5 to 101.5 % (on dry substance)
Chloride (Cl) ≤200 ppm
Sulfate (SO4) ≤300 ppm
Ammonium (NH4) ≤200 ppm
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm
Other amino acids ≤0.5 % (TLC)

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