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      <marc:subfield code="a">Scott, Brian F., </marc:subfield>
      <marc:subfield code="d">1939- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Determination of butyltin species by GC/atomic emission spectroscopy / </marc:subfield>
      <marc:subfield code="c">by B.F. Scott, Y.K. Chau and A. Rais-Firouz.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario, Canada : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Department of the Environment, Canada Centre for Inland Waters, National Water Quality Laboratories, </marc:subfield>
      <marc:subfield code="c">May, 1990.</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">90-126</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 9-10).</marc:subfield>
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      <marc:subfield code="a">"A commercially available atomic emission detector coupled to a capillary column containing gas chromatograph was utilized to detect organotin compounds. The response for tin was found to be dependent on the flow rate of the make up gas. Lower flow rates decreased the sensitivity. Response curves for two different pressures were established and both plots exhibited curvature at low concentrations. Extracted fish and sediment samples were analyzed on the GC/AED system. The technique is element specific. The presence of tin compounds could be confirmed by examining the emission spectra taken at the retention time of the peak"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes abstract and management perspective in English and French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Pesticides</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Chau, Y. K., </marc:subfield>
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      <marc:subfield code="a">Rais-Firouz, A., </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
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      <marc:subfield code="a">Canada Centre for Inland Waters.</marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-90-126-eng.pdf</marc:subfield>
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