Sulfate in colored waters : investigation of methodologies, data reliability, and approaches for salvaging historical colorimetrice data / by V. Cheam, A.S.Y. Chau and S. Todd.: En13-5/85-95E-PDF

"In the study of acid rain, there has been a great deal of discussion and concern over the analysis of sulfate particularly in coloured waters. This study was carried out at the request of WQB Headquarters, to investigate the validity of colorimetric and ion chromatography methods for determining SOQ in coloured water. The study examines in detail several important aspects of the analysis of sulfate in coloured waters. These aspects are analytical methodologies, data reliability, and ways to salvage historical colorimetric data. The data demonstrate that ion chromatography results on organic-contaminated coloured waters are reliable. The study further shows that the colorimetric data are biased high and that it is possible to salvage these types of data through the use of curves having specified amount and nature of organic-matter. This approach provides a sure way to correct the historical data and thereby permit data users to interpret the data with confidence"--Management perspective, p. i.

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Publication information
Department/Agency Canada. Environment Canada.
National Water Research Institute (Canada)
Title Sulfate in colored waters : investigation of methodologies, data reliability, and approaches for salvaging historical colorimetrice data / by V. Cheam, A.S.Y. Chau and S. Todd.
Variant title Sulfate in coloured waters : investigation of methodologies, data reliability, and approaches for salvaging historical colorimetrice data
Series title NWRI contribution ; 85-95
Publication type Series - View Master Record
Language [English]
Format Electronic
Electronic document
Note(s) "June 1984".
Digitized edition from print [produced by Environment and Climate Change Canada].
Includes bibliographical references: p. 21-23.
Includes management perspective in French.
Publishing information Burlington, Ont. : Analytical Methods Division, National Water Research Institute, Canada Centre for Inland Waters, 1984.
Author / Contributor Cheam, V.
Chau, A. S. Y. (Alfred Shun-Yuen), 1941-
Todd, S.
Description iii, 57 p. : ill.
Catalogue number
  • En13-5/85-95E-PDF
Subject terms Acid rain
Scientific research
Water management
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