Atrazine desethyl, 100µg/mL in MeOH, 1ml

N-Methyl-2-pyrrolidone, 5ml

Custom mix of C10-C16 alkyl PAHs, 25 components each 2µg/mL in Toluene (Sigma quality 155004, ACS Spectrophotometric grade): Prepared gravimetrically by weighing components and solvent to a calculated 0,2mg/mL. This product has been diluted gravimet

2-Hydroxyatrazine, 100µg/mL in MeOH:AC (98:2),1ml