A novel approach to non-segmented flow analysis. Part 2. A prototype high-performance analyser
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Updated: Jun 28, 2026

Tuning a Parallel Segmented Flow Column and Enabling Multiplexed Detection
Published on: December 15, 2015
D J Malcolme-Lawes1, C Pasquini
1Centre for Research in Analytical Chemistry and Instrumentation King's College London Strand London WC2 UK.
Abstract:
A high-performance continuous flow analyser is described, based on gas pressure driven carrier and reagents controlled by computer switched solenoid valves. The principal characteristics of the analyser are discussed and examples of its performance are provided in the form of results obtained using a standard procedure for the determination of Cr(VI). The system was also tested in use with real samples using an ammonium ion analysis on potable and effluent water samples, and the results compared with those obtained using a segmented continuous flow method operated at the Laboratory of the Government Chemist.
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