Pesquisa de referências

Occupational exposure and analysis of microcrystalline cristobalite in mullite operations

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      <subfield code="c">Marija Janko... [et al.]</subfield>
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      <subfield code="a">Three analytical methods currently used for crystalline free silica determination in occupational exposure samples were evaluated for their applicability to ceramic materials containing synthetic mullite. X-ray powder diffraction is the only method that can be used with sufficient precision and potentially adequate accuracy for occupational exposure monitoring</subfield>
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      <subfield code="a">American Industrial Hygiene Association journal</subfield>
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      <subfield code="g">Vol. 50, nº 9, September 1989 ; p. 460-465</subfield>
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