Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 678383 DEET, 100 µg/ml, Acetonitrile, 5ml Price on request 676703 Lenacil, 100 µg/ml, Acetonitrile, 1ml Price on request 8741.24-K-IO Di-isooctyl phthalate (mixture of C8-isomers), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 27554-26-3 Price on request