1,1-Difluoroethane, 20mg/mL in MeOH, 1ml Back Catalog number: 34411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54214 Ammonia as (NH4+) Price on request 674502 Topramezone, 10.0 µg/ml, Acetonitrile, 10ml Price on request 32052 EPA Method 551 Analytes Price on request