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Journal Article

Ultraviolet Determination of Total Phenols

J. M. Martinz, Jr., C. R. Orr, C. B. Kincannon and J. L. Bishop
Journal (Water Pollution Control Federation)
Vol. 39, No. 1 (Jan., 1967), pp. 21-32
Stable URL: http://www.jstor.org/stable/25035713
Page Count: 12
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Ultraviolet Determination of Total Phenols
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Abstract

An ultraviolet differential absorption method for determination of total phenols in aqueous solutions consists of comparing the spectrum emitted by a sample made highly basic by NaOH to dissociate phenols with that of a slightly acidified sample. The method is selective, precise (± 2 percent), and rapid, and is applicable to single- and double-beamed spectrophotometers. The method is of considerable value for continuous monitoring. It has been applied successfully for over a year in continuous determination of phenols in the aqueous feed to a biofilter.

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