Potassium (K) Back Catalog number: 57719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DREQ60000255 Custom PAH Mix, 6 anal., in MeOH, 4,5ml Certan Price on request 1015.12-K-IO Diphenyldisulfide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 882-33-7 Price on request 683045 Phenmedipham-ethyl, 100 µg/ml, Acetonitrile, 1ml Price on request