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Argentometric Titration Apparatus with a Light Emitting Diode-based Nephelometric Detection System

End point determination method and examples of titration curve (titration of chloride ion with silver (I) ion) obtained under the stopped flow mode (a) and the continuous flow mode (b). A newly revised apparatus for argentometric precipitate titrations was fabricated and evaluated. A light emitting...

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Bibliographic Details
Published in:Bulletin of the Korean Chemical Society 2015, 36(11), , pp.2725-2729
Main Authors: Bae, Hyun-Soo, Hwang, Hoon, Eom, In-Yong
Format: Article
Language:English
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Summary:End point determination method and examples of titration curve (titration of chloride ion with silver (I) ion) obtained under the stopped flow mode (a) and the continuous flow mode (b). A newly revised apparatus for argentometric precipitate titrations was fabricated and evaluated. A light emitting diode was adapted as a solid‐state light source and a syringe pump was used for manipulating titrant both in stopped flow mode and continuous mode. The performance of the two modes was compared in terms of accuracy and precision. The continuous flow mode is much faster and shows generally higher accuracy under given experimental conditions. The patterns of precipitate titration curves were changed with different coagulant concentrations and addition flow rates of titrant. However, end point volumes were not affected by these experimental factors tested here.
ISSN:1229-5949
0253-2964
1229-5949
DOI:10.1002/bkcs.10554