Moody, G J Ion-pairing agents in ion-selective electrodes for diquat, paraquat and 4,4'-dipyridinium dications. [electronic resource] - The Analyst Oct 1987 - 1347-53 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0003-2654 Standard No.: 10.1039/an9871201347 doi Subjects--Topical Terms: Diquat--analysisElectrodesParaquat--analysisPyridinium Compounds--analysis