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Droplet-counting Microtitration System for Precise On-site Analysis
Susumu Kawakubo1, Taichi Omori1, Yasutada Suzuki2
1Graduate School, Faculty of Engineering, University of Yamanashi.
Abstract:
A new microtitration system based on the counting of titrant droplets has been developed for precise on-site analysis. The dropping rate was controlled by inserting a capillary tube as a flow resistance in a laboratory-made micropipette. The error of titration was 3% in a simulated titration with 20 droplets. The pre-addition of a titrant was proposed for precise titration within an error of 0.5%. The analytical performances were evaluated for chelate titration, redox titration and acid-base titration.
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