Carfentrazone (free acid), 10mg

Mass-Labelled Mono to Decachloro PCB Solution/Mixture, 1.2ml, nonane

3-tert-Butylphenol

Custom mix of C18-C22 alkyl PAHs, 23 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade)): Prepared gravimetrically by weighing components and solvent to a calculated 0,10mg/mL. This product has been diluted gravim