Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 70366 1,3-Dinitrobenzene Price on request X9147 4-Nitroquinoline-1-oxide Price on request 50010 ICP-MS Mix Price on request