Product Details  L-ARGININE, l-arginine base CAS No.:74-79-3 AJI , USP,FCC Standard , passed Kosher and Halal Certification  Product :L-ARGININE, -arginine base  Shelf life:2years  Description White crystals or crystalline powder  Identification Passed test  Specifications  Item Limit Result  Assay 98.5--101.0% 99.5%  pH 10.5--12.0 11.0  Specific rotation [a]D20 +26.9°-- +27.9°+27.3°  (Transmittance T430) ≥98.0% 98.8%  Chloride(Cl) ≤0.020% Ammonium(NH4) ≤0.02% Sulfate(SO4) ≤0.020% Heavy metals(Pb) ≤10ppm Arsenic(As) ≤1ppm Loss on drying ≤0.50% 0.08%  Residue on ignition ≤0.10% 0.05%  Pyrogen C=5 Conform  Conclusion Passed test according to the  Standard of AJI92.  Contact:Tel: 00 86 21 6775 1063 Fax: 00 86 21 5168 6554 Email:info(at)brightol.com Our brightol is a profeesional supplier and assure to provide you high quality at the good price , welcome to your enquiry .