Water fog as a medium for visualization of airflows
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<title>Water fog as a medium for visualization of airflows</title>
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<title>The Annals of occupational hygiene</title>
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<namePart>Kennedy, D.A.</namePart>
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<dateIssued encoding="marc">1987</dateIssued>
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<abstract displayLabel="Summary">Water fog, produced by an ultrasonic nebulizer, is a suitable medium for visualization of airflows. It is non-toxic, non-irritant and suitable for use in workplaces where normal activities are taking place. Fume cupboards, microbiological safety cabinet and flame photometer extract hoods were tested by means of water fog and mineral oil smoke. Water fog, which could be coloured scarlet by adding a food dye to the water in the nebulizer chamber, was capable of demonstrating all the airflow features that were visualized by the smoke. Attempts to estimate the amount of fog escaping from microbiological safety cabinets, by the addition of a biological ant two different chemical tracers to the water in the nebulizer chamber, gave encounraging results</abstract>
<note type="statement of responsibility">D.A. Kennedy</note>
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<topic>Nieblas de agua</topic>
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<topic>Contaminación atmosférica</topic>
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<text>nº 2, 1987 ; p. 255-259</text>
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