Spiking Standard 2 Back Catalog number: 52065A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2037.8-50-ME Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1 Price on request 79009 Aldrin Price on request 10853.19-10MG Imipramine hydrochloride Price on request