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1 September 2004 Online fully automated measurement of Cr(VI) concentration in water by a fiber optic probe: measurement accuracy improvement and evaluation
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Abstract
In this paper a methodology is described to be implemented in a simple and low cost automatic measuring apparatus for on line measurement of Cr(VI) concentration in water, which is able to be controlled by a PC and to be inserted in an integrated environmental control multi-sensor network. Measuring section is a miniaturized fiber optic probe, whose working principle is light absorption of the complex Chromium (VI) - Diphenylcarbazide. Device design and set up guidelines of an automatic measuring device are described in order to get a reliable, effective and user friendly configuration and to reduce measurement uncertainty depending on interfering quantities of different type, fluid dynamic, optical, environmental, taking into account "in situ" measuring conditions.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Giulio D'Emilia and Emanuela Natale "Online fully automated measurement of Cr(VI) concentration in water by a fiber optic probe: measurement accuracy improvement and evaluation", Proc. SPIE 5459, Optical Sensing, (1 September 2004); https://doi.org/10.1117/12.546366
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