A New dust generator for inhalation toxicity studies

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      <subfield code="a">A New dust generator for inhalation toxicity studies</subfield>
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      <subfield code="a">A dust generator has been developed for use in animal exposure experoments, which is able to produce constant dust concentrations over long periods. The generator consists of a fluidized bed which is continuously fed with a mixture of dust and fluidizing particles by means of a screw feeder, while excess particles from which dust has been eluted escape via an overflow pipe. The pre-mixing of particles and dust improves the flow properties of the powder and enables it to bed at a constant rate. Performance data are given</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>
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      <subfield code="g">nº 2, 1984 ; p. 157-162</subfield>
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