O,O-Diethylhydrogenphosphate-13C2, sodium salt Back Catalog number: 10707.4-100-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 92789 EPA Method 8081A Pesticide Standard A Price on request 28013 EPA Method 8260B Purgeable Internal Standard Price on request 79445 Benzyl bromide Price on request