L-Arginine base - 74-79-3

Test items Specifications
Appearance White crystalline powder
Specific rotation[a]20D +26.9C~+27.9C
State of solution(transmittance) 98.0% min
Assay 99.0%~101.0%
Chloride content 0.020% max
Ammonium(NH4) 0.02% max
Sulfate (SO4) 0.02% max
Iron(Fe) 10ppm max
Heavy metals (Pb) ppm 10ppm max
Arsenic (As2O3) 1ppm max
The other amino acids Not detected