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Methods and equipment for two-stage gravimetric measurements of dust levels

Tkachev, V.V.; Turubarov, V.I.

Gigiena Truda i Professional'nye Zabolevaniya (2): 40-42

1991

ISSN/ISBN: 0016-9919
PMID: 2055544
Document Number: 369205
The two stage gravimetric technique used for the measurements of industrial aerosols, in combination with measurements of mass-related concentrations of particles in the air, provided major hygienic information on the sizes (dispersity) of the inhaled particles. The results of the measurements taken in various branches of industry, ore and alluval deposit mines clarified the fundamental properties of the particles' distribution into rough and thin fractions. An express two-stage gravimetric technique for determining ore aerosol dispersal contents was proposed, along with the technical characteristics of the USSR-produced dust counters.

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