L-Lysine Hydrochloride

we are offering l-lysine hydrochloride. l-lysine hcl 99%(feed grade) specifications: 1) content (c6h14n2o2-hcl): 99% min. 2) specific rotation: +18.0 ~ +21.5 3) loss on drying: 1.0% max. 4) residue on ignition: 0.3% max. 5) ammonium salt (nh4+): 0.04% max. 6) heavy metals (pb): 30ppm max. 7) arsenic (as): 2ppm max. 8) l-lysine: 78.0% min. 9) crude protein: 94.4% min.