Alachlor (ring 13C6), 100ug/ml in n-Nonane, 1,2ml

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

3-Hydroxybenzoic acid, 1000mg

Theobromine,neat,neat,10mg