Prosulfocarb, 100µg/ml in Acetonitrile, 5ml

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

Glycidyl oleate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5431-33-4

4,4’-DDT