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

Ammonia as N

Methabenzthiazuron, 1000μg/ml in Acetone, 1ml

3-Ethyl-5-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 698-71-5