Spiking Standard 5 Back Catalog number: 53071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0791.14-K-IO 9,10-Dihydrophenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 776-35-2 Price on request C17893000 Triphenylphosphate, certified, 0.25g Price on request 681420 N4-Acetylsulfamethoxazole, 25mg Price on request