Acta Physica Hungarica

, Volume 63, Issue 1–2, pp 109–113 | Cite as

Quantitative determination of the quartz content of respirable dust by infrared spectrophotometry

  • J. Hlavay
  • L. Antal
  • I. Vassányi
  • J. Kárpáti
Atomic and Molecular Physics


Infrared spectrophotometric method was developed for the determination of crystalline silica in respirable dust samples from a wide range of industrial environments. Samples were collected with personal sampler on a Microsorban filter. The filter was dissolved in benzene and the suspension was separated by centrifuge. The mineral phase content of the dust was determined by X-ray powder diffraction. The particle size of the standards and samples as well as the mineral interference effects were controlled. Different calibration curves using a mixture of crystalline quartz and interference mineral were prepared. The particle size was measured in the pellets. The absorbance of the 800 cm−1 band (Si−O−Si symmetrical stretching vibration) was calculated and proved to be proportional to the concentration of quartz.


Dust Attenuate Total Reflectance Silicosis Crystalline Silica Quartz Content 
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Copyright information

© Akadémiai Kiadó 1988

Authors and Affiliations

  • J. Hlavay
    • 1
  • L. Antal
    • 1
  • I. Vassányi
    • 2
  • J. Kárpáti
    • 3
  1. 1.Institute for Analytical ChemistryUniversity of Chemical EngineeringVeszprémHungary
  2. 2.Department of MineralogyUniversity of Chemical EngineeringVeszprémHungary
  3. 3.State Institute of Occupational HealthBudapestHungary

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