525.2 Calibration Standard Back Catalog number: 94785 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8471.11-50-W Carbadox, 50µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 6804-07-5 Price on request 678151 Terbufos-sulfoxide, 100 µg/ml, Acetonitrile, 1ml Price on request 52309 Ammonium Nitrate Modifier Price on request