1,2,3,4-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml Back Catalog number: 3750.6-K-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended DF-IS-A200 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane Price on request 685725 Cyflumetofen, 100µg/ml in Acetonitrile, 1ml Price on request 93891 Acetone Price on request