Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

Native HCH Solution/Mixture, 1.2ml, nonane

L-Sorbose

4-Methoxy-2,2',3,4',5,5',6-heptachlorobiphenyl, Please inquire, Solvent-, Unit , # of units-, Cas.no.