Valsartan,100 µg/mL,MeOH,1mL,

Diazinon-d10 (diethyl-d10),100 µg/mL,acetonitrile,1mL,

Iminoctadine triacetate, 100 µg/ml, Methanol, 1m

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