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Computer-aided chemistry. Part I: Control of the PAR 273 electrochemical instrument using the IBM 9001 laboratory computer

Journal of Automatic Chemistry
Hindawi Publishing Corporation
Publication Date
DOI: 10.1155/s146392468600024x
  • Research Article
  • Chemistry


Journal of Automatic Chemistry of Clinical Laboratory Automation, Vol. 8, No. 3 (July-September 1986), pp. 122-133 Computer-aided chemistry. Part I: Control of the PAR 273 electrochemical instrument using the IBM 9001 laboratory computer Tebello Nyokong and Martin J. Stillman* Department of Chemistry, University of Western Ontario, London, Ontario, Canada, N6A 5B7 Introduction The use of high-power, desk-top computers to provide real-time, interactive control of low-cost instruments commonly found in the chemical laboratory will clearly be an area of dramatic development in the near future. Presently, computer programs implementing such com- puter control fall into one of three main categories by providing either: (1) direct control of the individual operations, with the result being displayed on the instrument for the user (or transferred to a sequential device such as a printer or ’slaved’ host computer); (2) ’batch’ control, where a series of steps are programmed for a single operation which once initiated runs to completion before user intervention is possible, with the result again being displayed at the end of the experiment as in (1); or (3) a full interactive control ofthe experiment with real-time display of instrument parameters together with the data that has already been acquired. One of the most important features of the real-time, interactive control of an instrument with a computer program is the capability ofusing the program to alter the instrument’s operational settings during the course of the experiment. With this type of structure in place, it is relatively straightforward to offer the user a customiza- tion option which allows the use of pre-programmed sequences for more complicated methods and special default parameters for individual users. The next stage of development ofsuch a program would be to offer routines that optimize the quality of the data by suggesting modifications be made to the instrument’s settings and, in some instances, the chemical method to be used; the p

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