2,3',4',5-Tetrachloro[13C12]biphenyl, 50µg/ml in Nonane (10% Toluene), 1,2ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

2-Bromophenol

3-Fluorofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1691-66-3