Apparatus for carrying out a titration procedure for the chemical analysis of a sample
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United States of America Patent
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Oct 10, 1989
Grant Date -
N/A
app pub date -
Mar 10, 1987
filing date -
Mar 11, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The sample and the reagent required for titration are fed into a titration vessel (1), the reagent and/or sample being supplied intermittently in the form of pulses of liquid. Toward this end, a controlled valve (9) is provided in the supply line (4) for the reagent. The opening and closing times of this valve (9) and, hence, the frequency and duration of the pulses of liquid, are chosen such that the ratio of the average sample flow to the average reagent flow is sufficient to achieve the ratio of sample to the reagent at the equivalence point. This renders continuous titration possible, for which only one pump (7) is needed, which does not require any complex servo system and, therefore, has a low energy consumption.
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