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

Pesticide Mix (Acetochlor, Metazachlor, Alachlor, Terbuthylazine, Terbuthylazine-desethyl), 10µg/ml in Hex/1% AC, 1ml

n-Heptacosylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,3,4,5-Tetrachlorophenol