1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Back Catalog number: 71907 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 98265 Discrimination PAH Standard Price on request 675034 Sodium dodecylbenzenesulfonate (hard type) (ABS 10 Price on request 682601 Fensulfothion-sulfide, 100mg Price on request