n-Tridecylbenzene, 100mg

WS Drinking Water Kit

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

2-n-Butyl-5-ethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54411-06-2