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Journal of Automatic Chemistry
Volume 13, Issue 3, Pages 83-92

Versatile IEEE-488 data acquisition and control routines for a diode array spectrophotometer

Laboratory for Automated Chemical Analysis, Chemistry Department, University of British Columbia, 2036 Main Mall., Vancouver, British Columbia V6T 1Y6, Canada

Copyright © 1991 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The UV-visible diode array spectrophotometer is a work-horse instrument for many laboratories. This article provides simple data acquisition and control routines in Microsoft QuickBasic for a HP-8452A diode array spectrophotometer interfaced to an IBM PC/XT/AT, or compatible, microcomputer. These allow capture of full spectra and measure absorbance at one or several wavelengths at preset time intervals. The variance in absorbance at each wavelength is available as an option.