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    <marc:controlfield tag="008">190130s1959    onc     ot   f|0| 0 eng d</marc:controlfield>
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      <marc:subfield code="a">M38-1/55-1959E-PDF</marc:subfield>
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      <marc:subfield code="a">Hurwitz, J. K., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Slopes of working curves in emission spectrometric analysis of certain silicates / </marc:subfield>
      <marc:subfield code="c">by J. K. Hurwitz.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
      <marc:subfield code="b">Department of Mines and Technical Surveys, </marc:subfield>
      <marc:subfield code="c">1959.</marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Mines Branch Research Report ; </marc:subfield>
      <marc:subfield code="v">R 55</marc:subfield>
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      <marc:subfield code="a">"Reprinted from Applied Spectroscopy, Vol. 13, No. 5, 1959."</marc:subfield>
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      <marc:subfield code="a">"December 28, 1959."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographic references.</marc:subfield>
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      <marc:subfield code="a">"In the emission spectrometric analysis of silicates, Strock recently reported large deviations from unity of the working curve slopes.  He suggested that these abnormal slopes resulted from collisions of the second kind occurring in the direct-current arc discharge. These experiments were repeated, and data were treated statistically. Deviations from a slope of unity in nearly every case were satisfactorily explained by the experimental errors inherent in the method or by self-absorption"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Research report (Canada. Mines Branch)</marc:subfield>
      <marc:subfield code="v">R 55.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">535 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/rncan-nrcan/m38-1/M38-1-55-1959-eng.pdf</marc:subfield>
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