L-carnitine base Specific rotation -29.0-32.0 -31.27 Assay: 97.0-103.0% 99.10% Residue on ignition: 0.5% max 0.06% Water content: 4.0% max 0.42% Ph(5% in water) 5.5-9.5 6.9 Heavy metals 20ppm max pass Arsenic 2ppm max pass Chloride 0.4% max pass Potassium: 0.2% max pass Sodium 0.1% max pass 25kg net new drums