National interlaboratory quality control study, no. 33 : sulphate in coloured waters / by V. Cheam and A.S.Y. Chau.: En13-5/86-85E-PDF
"This report describes an interlaboratory comparison study for the analysis of S04 in organic contaminated coloured waters. Some 70 Canadian laboratories participated in the analysis of five unpreserved water samples. Because of the interference from coloured matter in the waters, some methodologies, in particular the Methyl Thymol Blue colorimetry, were identified as producing results which were biased high. Some other methodologies performed well, particularly ion chromatography"--Abstract.
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| Department/Agency | Canada. Environment Canada. National Water Research Institute (Canada) |
|---|---|
| Title | National interlaboratory quality control study, no. 33 : sulphate in coloured waters / by V. Cheam and A.S.Y. Chau. |
| Series title | NWRI contribution ; no. 86-85 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Format | Electronic |
| Electronic document | |
| Note(s) | “January 1986." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographic references. Text in English, abstracts in English and French. |
| Publishing information | Burlington, Ont. : National Water Research Institute, Canada Centre for Inland Waters, [1986] |
| Author / Contributor | Cheam, V. Chau, A. S. Y. (Alfred Shun-Yuen), 1941- |
| Description | [45] p. : charts |
| Catalogue number |
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| Subject terms | Water management Water quality |
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