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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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      <marc:subfield code="b">eng</marc:subfield>
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      <marc:subfield code="a">En13-5/96-159E-PDF</marc:subfield>
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      <marc:subfield code="a">Chau, Y. K.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Evaluation of derivatization techniques for the analysis of organotin compounds in biological tissue </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">Y.K. Chau, F. Yang and M. Brown.</marc:subfield>
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      <marc:subfield code="a">Burlington, Ont. : </marc:subfield>
      <marc:subfield code="b">Aquatic Ecosystems Protection Branch, National Water Research Institute, Department of the Environment, Canada Centre for Inland Waters, </marc:subfield>
      <marc:subfield code="c">[1996].</marc:subfield>
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      <marc:subfield code="a">[13] p.</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">96-159</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.</marc:subfield>
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      <marc:subfield code="a">"The two commonly used derivatization techniques, namely, (1) direct in situ derivatization with sodium tetraethylborate and (2) tropolone extraction followed by ethyl Grignard derivatization for the determination organotin compounds in mussels were compared and evaluated with respect to their recoveries from spiked samples and a Reference fish tissue. These methods are used in our study of concentrations of butyltin compounds in mussels in Canadian harbours and rivers"--Management perspective.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Abstracts in English and French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Water quality</marc:subfield>
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      <marc:subfield code="a">Yang, F.</marc:subfield>
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      <marc:subfield code="a">Brown, M.</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">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">no. 96-159</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1,024 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/eccc/En13-5-96-159-eng.pdf</marc:subfield>
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