Mass-Labelled PCB Recovery Standard, 1.2ml, nonane

Potassium sorbate

Methyl pentanoate (Methyl valerate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 624-24-8

2,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene