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Catalytic polarographic detection of disulfides following liquid chromatography
Author(s) -
Nagashima Kunio,
Kamaya Minori,
Ishii Eizen
Publication year - 1992
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.1140040216
Subject(s) - polarography , detection limit , chemistry , chromatography , catalysis , inorganic chemistry , organic chemistry
Four kinds of disulfides in organic compounds were sensitively detected in NH 4 OH‐NH 4 Cl (0.2 M)‐Co 2+ (5 × 10 −4 M) solution by differential‐pulse polarography. This detection mechanism was based on the Brdicka reaction. A new flow‐through cell (on‐detector reactor) was used to combine the polarographic detection with high‐performance liquid chromatography. The detection limit for dithioglycolic acid was 1 × 10 −4 M using 10 μl samples.
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