A DAMPING SYSTEM FOR SYRINGE PUMPS USED FOR MICRODIALYSIS WITH ON LINE ELECTROCHEMICAL DETECTION

Authors
PRAVDA M MARVIN CA SARRE S MICHOTTE Y KAUFFMANN JM
Citation
M. Pravda et al., A DAMPING SYSTEM FOR SYRINGE PUMPS USED FOR MICRODIALYSIS WITH ON LINE ELECTROCHEMICAL DETECTION, Analytical chemistry, 68(14), 1996, pp. 2447-2450
Citations number
22
Categorie Soggetti
Chemistry Analytical
Journal title
Analytical chemistry → ACNP
ISSN journal
00032700
Volume
68
Issue
14
Year of publication
1996
Pages
2447 - 2450
Database
ISI
SICI code
0003-2700(1996)68:14<2447:ADSFSP>2.0.ZU;2-Q
Abstract
A syringe pump damping system for microdialysis, coupled on-line with amperometric detection, was developed, The damping system consisted of an air bubble and a fused silica capillary. A bubble volume of 20 mu L and a 15 cm capillary, 50 mu m i.d., were found to be optimal for fl ow rates between 1 and 5 mu L min(-1). Enhancements of detection limit by 2 orders of magnitude were obtained with this experimental setup.