We are Chinese D-lactic Acid production standard maker.
Spec is as follows:
Lactic acid content : % >= 80
Optical purityD/(L+D) % .= 99.5
Burning Residue % <= 0.1
Chloride % <= 0.002
Sulfate %<= 0.005
Ferric salt %<=0.001
Pb mg/kg <=5
As mg/kg <=5