Double isotope method for characterizing hygroscopic selenious acid aerosols used in inhalation exposures
Journal Article
·
· Am. Ind. Hyg. Assoc. J.; (United States)
Methods of generating and characterizing selenious acid aerosols for use in deposition and toxicity studies are described. Selenious acid aerosols were nebulized and heat treated at varied temperatures. Because selenious acid is hygroscopic, a solution containing /sup 3/H/sub 2/O and /sup 75/Se was nebulized to determine the water content in selenium aerosols after generation. The stable aerosol was a hydrate of selenious acid, H/sub 2/SeO/sub 3/ 1/2 H/sub 2/O, at New Mexico ambient relative humidity (ca. 20%). The mass median aerodynamic diameter of the collected droplets was 0.6 ..mu..m with a geometric standard deviation of 1.3. 24 references, 4 figures, 1 table.
- Research Organization:
- Lovelace Biomedical and Environmental Research Inst., Albuquerque, NM
- DOE Contract Number:
- AC04-76EV01013
- OSTI ID:
- 6030523
- Journal Information:
- Am. Ind. Hyg. Assoc. J.; (United States), Journal Name: Am. Ind. Hyg. Assoc. J.; (United States) Vol. 45:8; ISSN AIHAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500101* -- Environment
Atmospheric-- Basic Studies-- Radiometric Techniques-- (-1989)
54 ENVIRONMENTAL SCIENCES
AEROSOL GENERATORS
AEROSOLS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMICAL ANALYSIS
CHEMICAL COMPOSITION
COLLOIDS
DAYS LIVING RADIOISOTOPES
DISPERSIONS
ELECTRON CAPTURE RADIOISOTOPES
EVEN-ODD NUCLEI
FEDERAL REGION VI
HYDROGEN ISOTOPES
INHALATION
INTAKE
INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LIGHT NUCLEI
NEW MEXICO
NORTH AMERICA
NUCLEI
ODD-EVEN NUCLEI
PARTICLE SIZE
QUANTITATIVE CHEMICAL ANALYSIS
RADIOISOTOPES
SELENIUM 75
SELENIUM COMPOUNDS
SELENIUM ISOTOPES
SIZE
SOLS
TRACER TECHNIQUES
TRITIUM
USA
YEARS LIVING RADIOISOTOPES
Atmospheric-- Basic Studies-- Radiometric Techniques-- (-1989)
54 ENVIRONMENTAL SCIENCES
AEROSOL GENERATORS
AEROSOLS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMICAL ANALYSIS
CHEMICAL COMPOSITION
COLLOIDS
DAYS LIVING RADIOISOTOPES
DISPERSIONS
ELECTRON CAPTURE RADIOISOTOPES
EVEN-ODD NUCLEI
FEDERAL REGION VI
HYDROGEN ISOTOPES
INHALATION
INTAKE
INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LIGHT NUCLEI
NEW MEXICO
NORTH AMERICA
NUCLEI
ODD-EVEN NUCLEI
PARTICLE SIZE
QUANTITATIVE CHEMICAL ANALYSIS
RADIOISOTOPES
SELENIUM 75
SELENIUM COMPOUNDS
SELENIUM ISOTOPES
SIZE
SOLS
TRACER TECHNIQUES
TRITIUM
USA
YEARS LIVING RADIOISOTOPES