Mass-Labelled PCB Sampling Standard, 1.2ml, nonane

2,6-Di-tert-butyl-4-methylphenol (2,6-Bis(1,1-dimethylethyl)-4-methylphenol), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 128-37-0

2,4,5-TP

2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene