Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 50802 Cd, B, Mn, Fe, Cu Mix Price on request 96217 Diisononyl phthalate (Mix of Isomers), 10mg/ml in Hexane, 1ml Price on request 1115.18-100-TX10 6-Nitrochrysene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203805-92-9 Price on request