Sulfate in coloured waters II : evaluation of approaches for correcting historical colorimetric data / by V. Cheam and A.S.Y. Chau.: En13-5/86-162E-PDF
"The various approaches for correcting historical colorimetric sulfate data were discussed and evaluated. A simple and direct approach was found to be satisfactory. To correct historical colorimetric data, data sets are first categorized and grouped together based on geographical locations and seasonal variations of DOC (or colour) of a specific site, river, lake (or groups) which have similar amounts and nature of organic matter. For each group, the colorimetric and chromatogrpahic S04 values are then obtained andrelated by an equation, which is used to convert the correspondinghistorical values to "true" SO4 values"--Abstract.
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| Department/Agency | Canada. Environment Canada. National Water Research Institute (Canada) |
|---|---|
| Title | Sulfate in coloured waters II : evaluation of approaches for correcting historical colorimetric data / by V. Cheam and A.S.Y. Chau. |
| Variant title | Sulfate in colored waters II : evaluation of approaches for correcting historical colorimetric data |
| Series title | NWRI contribution ; 86-162 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Format | Electronic |
| Electronic document | |
| Note(s) | "February 1986". "Control No. AM302". "This manuscript has been submitted for publication in a Journal and the contents are subject to change". Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references: p. 12-13. |
| Publishing information | Burlington, Ont. : Analytical Methods Division, National Water Research Institute, Canada Centre for Inland Waters, 1986. |
| Author / Contributor | Cheam, V. Chau, A. S. Y. (Alfred Shun-Yuen), 1941- |
| Description | 13, [12] p. : ill. |
| Catalogue number |
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| Subject terms | Acid rain Scientific research Water management |
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