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| 01875cam 2200349za 4500 |
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| 001 | 9.866994 |
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| 003 | CaOODSP |
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| 005 | 20221107162209 |
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| 007 | cr ||||||||||| |
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| 008 | 190111s1986 oncd ot f000 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 041 | |aeng|bfre |
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| 043 | |an-cn--- |
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| 086 | 1 |aEn13-5/86-85E-PDF |
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| 100 | 1 |aCheam, V. |
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| 245 | 10|aNational interlaboratory quality control study, no. 33 |h[electronic resource] : |bsulphate in coloured waters / |cby V. Cheam and A.S.Y. Chau. |
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| 260 | |aBurlington, Ont. : |bNational Water Research Institute, Canada Centre for Inland Waters, |c[1986] |
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| 300 | |a[45] p. : |bcharts |
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| 490 | 1 |aNWRI contribution ; |vno. 86-85 |
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| 500 | |a“January 1986." |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographic references. |
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| 520 | 3 |a"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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| 546 | |aText in English, abstracts in English and French. |
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| 692 | 07|2gccst|aWater management |
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| 692 | 07|2gccst|aWater quality |
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| 700 | 1 |aChau, A. S. Y. |q(Alfred Shun-Yuen), |d1941- |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 2 |aNational Water Research Institute (Canada) |
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| 830 | #0|aNWRI contribution ;|vno. 86-85.|w(CaOODSP)9.844121 |
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| 856 | 40|qPDF|s2.01 MB|uhttps://publications.gc.ca/collections/collection_2019/eccc/En13-5-86-85-eng.pdf |
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