Nitrogen Calibration Set - Low Boiling Solvents, 8 x 1mL

1,2,3,4,6-Pentachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane

2,2',4,4',6-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 39485-63-1

3,3'-Dichlorobenzidine, 10.0 µg/ml, Acetonitrile,