4,4'-Dibromobiphenyl

Ethanol standard in water,0.5g/L,water, 1.5mL

D8-Ciprofloxacin hydrochloride hydrate, 100 µg/ml,

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