Aqueous ethanol control EtOH AQ (5.0g/L), 10 x 3.0ml

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

Resource Exploration Standard #2

N-Nitroso-N-ethylurea