Electrostatic effects in asbestos sampling I : experimental measurements

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      <subfield code="a">Electrostatic effects in asbestos sampling I</subfield>
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      <subfield code="a">Electrostatic charge can cause errors during sampling of airborne asbestos fibers and other particles. The change in particle trajectories caused by charge effects during sampling can result in nonuniform deposits on the collecting filter surface and net loss of sample. The degree of these electrostatic effects depends on particle charge, sampler charge, sampler conductivity, and sampling flow rate and direction. The purpose of this research was to evaluate the dependence of sampling efficiency and sample uniformity on these variables. Humidity has been postulated as a primary determinant of particle charge during aerosol generation</subfield>
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      <subfield code="a">American Industrial Hygiene Association journal</subfield>
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      <subfield code="g">Vol. 51, nº 2, February 1990 ; p. 51-62</subfield>
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