Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Radon exhalation rate from various building materials

C J Chen1, P S Weng, T C Chu

  • 1Institute of Nuclear Science, National Tsing Hua University, Hsinchu, Taiwan, R.O.C.

Health Physics
|June 1, 1993
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Sulphasalazine-induced systemic lupus erythematous in a patient with ankylosing spondylitis.

Clinical rheumatology·2002
Same author

A school waterborne outbreak involving both Shigella sonnei and Entamoeba histolytica.

Journal of environmental health·2002
Same author

Systemic lupus erythematosus complicated by recurrent spontaneous pneumothorax--a case report.

The Kaohsiung journal of medical sciences·2002
Same author

Association between genetic polymorphism of tumor necrosis factor-alpha and risk of oral submucous fibrosis, a pre-cancerous condition of oral cancer.

Journal of dental research·2002
Same author

Bloodletting acupuncture of the engorged vein around Bl-40 (Wei-Chung) for acute lumbar sprain.

The American journal of Chinese medicine·2002
Same author

Serologic markers of Epstein-Barr virus infection and nasopharyngeal carcinoma in Taiwanese men.

The New England journal of medicine·2002

This study introduces a new method using cellulose nitrate detectors to measure radon exhalation rates from building materials. This technique helps estimate potential indoor radon concentrations, crucial for building material safety.

Area of Science:

  • Environmental Science
  • Radiation Physics
  • Building Science

Background:

  • Radon is a radioactive gas that poses health risks, particularly indoors.
  • Building materials can be a significant source of indoor radon.
  • Accurate measurement of radon exhalation rates is essential for risk assessment.

Purpose of the Study:

  • To develop and validate a method for measuring radon exhalation rates from building materials.
  • To establish a database of radon exhalation rates for various building materials.
  • To provide a simplified model for estimating maximum indoor radon concentrations.

Main Methods:

  • Utilized solid-state alpha-track detectors made of cellulose nitrate films.
  • Employed an inverted cup technique to capture radon flux from material surfaces.

Related Experiment Videos

  • Analyzed alpha particle tracks on films using spark counters or microscopes after etching in NaOH solution.

    • Main Results:

    • Successfully measured radon exhalation rates from building materials.
    • Developed a mathematical approach to estimate radon flux and concentration.
    • Excluded infiltration and ventilation effects for focused material assessment.

    Conclusions:

    • The developed technique offers a reliable method for assessing radon exhalation from building materials.
    • The simplified model allows for the estimation of maximum indoor radon levels based on material exhalation rates.
    • This approach can contribute to building material safety standards and indoor air quality management.