Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1544.11-K-IOX5 n-Undecane-d24, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 164858-54-2 Price on request 678443 Naled, 100 µg/ml, Acetonitrile, 5ml Price on request 672856 Furazolidone, 250mg Price on request