25-Hydroxyvitamin D3-[d3], 50μg/ml, 1ml

Cerotic acid, 100 µg/ml, Acetonitrile, 1ml

Mix 34, 10 µg/ml, Methanol, 10ml

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