GLC Reference standard 744, 100mg

1,2,3,4,5,6,7-Heptachloronaphthalene, 1.2ml x 50ug/ml, nonane

Ethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-91-7

Di(propylene glycol)