A simple automatic phototitrator for the determination of total carbonate and total alkalinity of sea water |
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Authors: | Anders Granéli Torbjörn Anfält |
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Affiliation: | Department of Analytical Chemistry, University of Gothenburg, Fack, S-402 20 Göteborg 5 Sweden |
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Abstract: | An automatic photometric analyser based on the reversed use of a conventional motor syringe buret and modern optoelectronic components is described. The buret serves as a photometric titration vessel into which sample and reagents are selectively drawn through a set of solenoid valves. It has been applied to the photometric titration of total alkalinity and total carbonate concentration of sea water, giving precisions of 0.10% and 0.13%, respectively. |
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