... Cl), %19.12-19.5119.18Ammonium salt (NH4), %≤0.02Conforms Sulfate (SO4), %≤0.020ConformsIron (Fe), ppm≤107Heavy metals (Pb), ppm ... to offer three kinds of L-Lysine:L-Lysine HCl 98.5% (Feed Grade) L-Lysine Sulphate 65% (Feed Grade) L-Lysine Sulphate 70% (Feed Grade) ... certificates are available. L-Lysine HCl 98% could attribute 78.4% free lysine and L-Lysine Sulphate 65%, equal to 65% lysine HCl, could ...