Methanol, certified, 5ml

Ethylene glycol, neat, Solvent-neat, Unit 10g, # of units-1, Cas.no. 107-21-1

3,4-Dichlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3978-67-4

Custom mix of C13-C17 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 0,20mg/mL. This product has been diluted gravime