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L-Proline

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Description

CAS No.: 147-85-3
Appearance White crystalline powder or
colorless crystals
Specific rotation
-84.5~-86.0°
State of solution
(Transmittance) ≥98.0%
Chloride(Cl) ≤0.020%
Ammonium(NH4) ≤0.020%
Sulfate(SO4) ≤0.020%
Iron(Fe) ≤10ppm
Heavy metals(Pb) ≤10ppm
Arsenic(As2O3) ≤1ppm
Other Amino Acids Chromatographically not
detectable
Loss on drying ≤0.30%
Residue on ignition
(Sulfated) ≤0.10%
Assay 99.0~101.0%
PH 5.9~6.9

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