Difloxacin hydrochloride, 100 µg/ml, Methanol, 1

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

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 187-83-7

"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane