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Product Description

L-Aspartic Acid  CAS No: 56-84-8    Molecular Formula: C4H7NO4    Molecular Weight: 133.10        Product Specifications
L-Aspartic AcidAJI92
Assay99.0-100.5%
PH2.5-3.5
Specific rotation[a]D20+24.8°-+25.8°
Specific rotation[a]D25/
Transmittance(T430)≥98.0%
Chloride(Cl)≤0.02%
Ammonium(NH4)≤0.02%
Sulfate(SO4)≤0.02%
Iron(Fe)≤10PPM
Heavy metals(Pb)≤10PPM
Arsenic≤1PPM
Other amino acidsconform
Ninhydrin-positive substances/
Loss on drying≤0.20%
Residue on ignition≤0.10%

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