Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 79092 Indole Price on request 52115 ICP-MS Interference Check Solution B Price on request 676458 o-(1-Phenylethyl)phenol, 10mg Price on request