1,4-Difluorobenzene Back Catalog number: 41021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677920 Profluralin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request S-4140-03-IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request S-4295-5K-DC PAH/PCB Internal Standard Mix 2006,12 3,3’,4,4’-Tetrachlorobiphenyl PCB 77 0978,10 Naphthalene-d8 0389,14 Phenanthrene-d10 1337,16 Fluoranthene-d10 1088,20 Benzo[a]pyrene-d12 1330,22 Dibenz[a,h]anthracene-d14 Concentration: 5000 µg each/mL in Price on request