... 40-80 mesh:13%, above 80mest:2%. Chemical properties:Total amino acid: 40-43%Ammonium sulfate: 55% max.Heavy metals: ... maxAsh: 3% maxMoisture: 5% max. Product description: this compound amino acids powder is obtained from the hydrolysated protein, containing 17 ... kinds of free amino acids, perfect water solubility, quite stable chemical properties together ...