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Soil Science Society of America Journal Abstract -

Design and Construction of a Personal-Computer-Based Automatic Titrator


This article in SSSAJ

  1. Vol. 59 No. 2, p. 417-422
    Received: Jan 24, 1994

    * Corresponding author(s):
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  1. D. G. Kinniburgh ,
  2. C. J. Milne and
  3. P. Venema
  1. British Geological Survey, Wallingford, Oxon OX10 8BB, England
    Dep. of Soil Science and Plant Nutrition, Wageningen Agricultural Univ., P.O. Box 8005, 6700 EC, Wageningen, the Netherlands



We designed and constructed an automatic titrator that uses a personal computer (PC) and commercially available components. The titrator can be used for a wide variety of tasks including pH logging, titrations (including “salt titrations”), and two-way pH stats. The titrator is programmed using a simple command language that enables it to carry out a timed sequence of commands. Examples are given that illustrate the titrator's use for: conventional acid-base titration using dynamic dose sizing; the base-acid-base titration of an acid soil; and the automatic determination of Cd binding by humic acid at a fixed pH.

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