Calibration of diffusion barrier charcoal detectors using a semi-empirical expression

Appl Radiat Isot. 2003 Oct;59(4):281-7. doi: 10.1016/s0969-8043(03)00194-5.

Abstract

Several calibration settings of diffusion barrier charcoal canister (DBCC) detectors for measuring radon concentration in air were studied. A set of functions and graphs were developed for relations between radon concentration in air and adsorbed activity in DBCC, when calibrated in small chambers. Both the integration time for 10% of DBCC of a batch, and the radon adsorption coefficient for the activated charcoal used in these detectors, were determined. Thus, a semi-empirical expression for detector calibration was applied.

Publication types

  • Evaluation Study
  • Research Support, Non-U.S. Gov't
  • Validation Study

MeSH terms

  • Adsorption
  • Air Pollutants, Radioactive / analysis*
  • Air Pollutants, Radioactive / chemistry
  • Air Pollutants, Radioactive / isolation & purification
  • Calibration / standards*
  • Charcoal / chemistry*
  • Computer Simulation
  • Diffusion
  • Equipment Failure Analysis
  • Mexico
  • Radiation Dosage
  • Radiometry / instrumentation*
  • Radiometry / methods
  • Radiometry / standards*
  • Radon / analysis*
  • Radon / chemistry
  • Radon / isolation & purification
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Ultrafiltration

Substances

  • Air Pollutants, Radioactive
  • Charcoal
  • Radon