Development of a portable device to collect sulfuric acid aerosol. Interim report No. 2, September 1976--September 1977
Technical Report
·
OSTI ID:6591802
Progress is reported on research to develop a quantitative, interference-free method for collecting airborne sulfuric acid aerosol on a filter. Since previous research found that severe losses of sulfuric acid were caused by ammonia, ambient particulate material, and other interferents, a method was needed that converts sulfuric acid to a stable derivative for subsequent analysis. Methods evaluated for direct fixation of sulfuric acid aerosol were not found to be selective. Therefore, a sampling method was investigated that uses a combination of selective volatilization of the sulfuric acid, prefiltration of particulate interferents, and derivation of the vaporized acid on an alkali-impregnated filter. The initial stages of this current research on the volatilization-derivatization technique are described.
- Research Organization:
- Southern Research Inst., Birmingham, AL (USA)
- OSTI ID:
- 6591802
- Report Number(s):
- PB-280048; SORI-EAS-77-731
- Country of Publication:
- United States
- Language:
- English
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