Premium
Determination of paraquat by cathodic stripping voltammetry after accumulation through the formation of an ion pair on a hanging mercury drop electrode
Author(s) -
Macias J. M. Pinilla,
Hernández L. Hernández,
Sobrino J. M. Moreno,
Escribano M. T. Sevilla
Publication year - 1993
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.1140050112
Subject(s) - hanging mercury drop electrode , mercury (programming language) , paraquat , drop (telecommunication) , chemistry , cathodic stripping voltammetry , cathodic protection , electrode , analytical chemistry (journal) , dropping mercury electrode , ion , voltammetry , inorganic chemistry , electrochemistry , environmental chemistry , biochemistry , computer science , programming language , telecommunications , organic chemistry
The formation of ion pairs is used to greatly enhance the sensitivity of cathodic stripping measurements at the hanging mercury drop electrode (HMDE). Such a scheme is illustrated for the trace determination of paraquat. Factors affecting the response are explored.