A new flow injection titration analysis

Summary A new type of flow injection titration method where a well-stirred mixing chamber is placed in the middle of the injection loop of a 6-way valve has been developed. With this method expensive or unstable reagents can be used for the titration. Moreover, it is potentially available for slow titration reactions. Its fundamental characteristics have been investigated using acid-base titration reaction with phenolphthaleine as the indicator. The sampling rate was 60–120 samples per hour and its reproducibility was also high (3%).

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Neues Verfahren zur Fließinjektions-Volumetrie