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sugar-tube method

A dust-sampling technique that measures airborne dustiness on a mass basis. In the glass tube is placed a layer, 1-1/2 in (3.8 cm) deep, of sized granulated sugar weighing 100 g. By means of a suitable pump, air is drawn through the sugar tube at a rate of approx. 1 ft3/min (0.0283 m3/min). The dust is retained in the sugar tube, which is then stoppered and sent to the laboratory for analysis. The sugar is dissolved and the dust is caught on a filter paper that is incinerated to give the weight of dust.

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Penulis

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 poin
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