Precision and Recovery Stock Solution, 1.2ml, nonane

5,5'-Difluoro-3,3',4,4'-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Malathion, 100 µg/ml, Toluene, 1ml

BTEX Standard