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Bench Testing of On-Line Total Residual Chlorine Analyzers

S. G. Nutt, E. L. Jeffers, D. T. Vachon and W. W. Schuk
Journal (Water Pollution Control Federation)
Vol. 57, No. 9, WPCF Conference Issue (Sep., 1985), pp. 948-954
Stable URL: http://www.jstor.org/stable/25042747
Page Count: 7
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Bench Testing of On-Line Total Residual Chlorine Analyzers
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Abstract

The Instrumentation Testing Service, Inc. (ITS) was formed in response to a demonstrated need to provide instrument users in the water and wastewater treatment industry with the information required to evaluate available hardware and to support procurement decisions. In 1983-84, ITS conducted their first intensive testing program. Four commercial on-line total residual chlorine analyzers, representing the major technologies available to measure total residual chlorine in water and wastewater (amperometric, colorimetric, and potentiometric) were tested. A rigid bench-test protocol was used to evaluate their performance under closely controlled laboratory conditions. The test results indicated significant differences in the performance of the four analyzers, which impact the suitability of a specific analyzer for a particular application.

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