Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 678524 D5-Metamitron, 10.0 µg/ml, Acetonitrile, 1ml Price on request C12197800 2,6-Diaminotoluene, 250mg Price on request C15085000 Methylcyclohexane, certified, 1ml Price on request