Desmedipham, 100μg/ml in MeOH, 5ml

Ethyl 3-methylbutanoate, 1ml

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

1,3,4-d3-2-Isopropylthioxanthone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.