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A miniaturized ultraviolet flow photometer for use in liquid chromatographic systems

Authors
Journal
Journal of Chromatography A
0021-9673
Publisher
Elsevier
Publication Date
Volume
51
Identifiers
DOI: 10.1016/s0021-9673(01)96852-9
Disciplines
  • Design
  • Physics

Abstract

Abstract A miniaturized ultraviolet photometer for continuously monitoring chromatographic column effluents at 254 nm and 280 nm has been built and tested at the Oak Ridge National Laboratory. The instrument is of double-beam design and employs dual solid-state electronic circuits for operation without wavelength switching and multipoint recorder synchronization. Performance tests have shown that the ultraviolet photometer can provide greater sensitivity and less band spreading of chromatographic peaks than the modified spectrophotometer that was used previously.

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