2,2',3,3',4,4',6-Heptachlorobiphenyl (171)

Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt

Ethylmethyl sulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 624-89-5

Ronnel , 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 299-84-3