L(+)-Serine 99%
Supplier: Thermo Scientific
ACRO132661000EA
140
EUR
ACRO132661000
ACRO132660025
ACRO132665000
ACRO132660250
L(+)-Serine 99%
L(+)-Serine
Specification Test Results
Appearance | White Crystalline powder or crystals or needles |
Infrared spectrum | Conforms |
Loss on drying | ≤0.2 % (105°C, 3 hrs) |
Sulfated ash | ≤0.1 % |
UV transmittance | ≥95 % (c=10, H2O, 430 nm) 1 cm cell |
pH | 5.0 to 6.5 (2.5 % at 25°C) |
Specific optical rotation | +14.4° to +16.0° (20°C, 589 nm) (c=10, 2 N HCl) |
Titration with HClO4 | 98.5 to 101.5 % |
Chloride (Cl) | ≤200 ppm |
Sulfate (SO4) | ≤200 ppm |
Ammonium (NH4) | ≤200 ppm |
Arsenic (As) | ≤1 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
Other amino acids | ≤0.5 % (TLC) |
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