PCB Calibration Solutions for GC/MS Calibration Kit, 5 x 500ul, isooctane

alphaßß (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 71117-92-5

Dibenz[a,h]anthracene-d14, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 13250-98-1

Mass-Labelled PBB Solution/Mixture, 1.2ml, nonane