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 38088 Total Water Pollution (WP) (Kit) Price on request 682234 2,4-Dihydroxybenzophenone, 1000mg Price on request 675029 Sodium 4-n-octylbenzenesulfonate, 100 µg/ml, Meth Price on request