COLLECTION EFFICIENCY OF WHATMAN 41 FILTER PAPER FOR SUBMICRON AEROSOLS
Technical Report
·
OSTI ID:4777838
The collection efficiency of Whatman 41 filter paper has been determined using submicron test aerosols of monodispersed polystyrene latex. Measurements were made over a velocity range of 12 to 195 fpm, using aerosols with diameters of 0.088, 0.188, 0.264, 0.365, and 0.557 mu . For sizes less than 0.557 mu , well-developed efficiency minima occur in the velocity range of 20 to 30 fpm. In no case was the efficiency found to be below 70%. At 195 fpm, the efficiency was essentially size-independent. (auth)
- Research Organization:
- California. Univ., Livermore. Lawrence Radiation Lab.
- DOE Contract Number:
- W-7405-ENG-48
- NSA Number:
- NSA-17-003231
- OSTI ID:
- 4777838
- Report Number(s):
- UCRL-6691
- Country of Publication:
- United States
- Language:
- English
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