Pesquisa de referências

A Diffusive sampler of gaseous pollutants by collection in liquid media

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      <subfield code="a">Hallberg, Bengt-Olov</subfield>
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      <subfield code="a">A Diffusive sampler of gaseous pollutants by collection in liquid media</subfield>
      <subfield code="c">Bengt-Olov Hallberg and Jan Rudling</subfield>
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      <subfield code="a">A diffusive sampler to be used with an absorbing solution for the collection of worplace pollutants is described. It is constructed of polytetrafluoroethylene and the diffusion is controlled by a number of small chanels. The sampler has been evaluated in the laboratory using ammonia and sulphur dioxide as test gases. The sampling rate was constant for different air concentrations and it agreed well with theoretical calculations. No effects from humidity were seen during sampling and no sample loss was observed after storage for up to 4 weeks</subfield>
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      <subfield code="0">MAPA20080605278</subfield>
      <subfield code="a">Contaminantes químicos</subfield>
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      <subfield code="0">MAPA20080605261</subfield>
      <subfield code="a">Contaminantes gaseosos</subfield>
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      <subfield code="a">Ambiente de trabajo</subfield>
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      <subfield code="a">Contaminación atmosférica</subfield>
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      <subfield code="a">Control de la contaminación</subfield>
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      <subfield code="a">Rudling, Jan</subfield>
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      <subfield code="a">The Annals of occupational hygiene</subfield>
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      <subfield code="t">The Annals of occupational hygiene</subfield>
      <subfield code="d">Oxford [etc.]</subfield>
      <subfield code="g">nº 1, 1989 ; p. 61-68</subfield>
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