Interference Standard 3 Back Catalog number: 52050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674021 D5-Fenuron, 10mg Price on request 0349.16-K-IO 1-Phenylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-02-7 Price on request 676028 Ethoprophos, 100mg Price on request