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Paper Information

Journal:   IRAN OCCUPATIONAL HEALTH JOURNAL   AUGUST-SEPTEMBER 2015 , Volume 12 , Number 3; Page(s) 76 To 85.
 
Paper: 

Evaluation Of Photoionization Detector Performance For Measuring The Airborne Toluene

 
 
Author(s):  Azimi Pirsaraei S.R., Asilian Mahabadi H.*, Jonidi Jafari A., Mehrasbi Mohammad R.
 
* OCCUPATIONAL HEALTH ENGINEERING DEPARTMENT, FACULTY OF MEDICAL SCIENCES, TARBIAT MODARES UNIVERSITY, TEHRAN, IRAN
 
Abstract: 
Background and aims: In the field of chemical agents at workplaces, traditional measurement method for assessing the volatile organic compounds (VOCs) concentration is using a gas chromatograph generally equipped with a flame ionization detector (GC-FID). However, there are some limitations in working with this equipment including equipment accessibility, necessity of highly trained operators, and the high cost of sample analysis. The aim of this study was to evaluate the performance of photoionization detector (PID) as a substitution for GC-FID in the measurement of toluene as a representative of the VOCs in experimental studies.Methods: This study was carried out by an experimental set up for generating toluene known concentrations at 5, 20, 50, 100, 200, 500 and 1000 ppm with relative humidity 13% ±2. The concentration values were measured with PID as well as the National Institute of Occupational Safety and Health (NIOSH) 1501 reference method and results were compared.Results: The results showed a significant difference between the two methods at concentrations higher than 50 ppm while there was no significant difference at 5 ppm and 20 ppm. The correlation coefficient of the toluene concentrations at 5 to 1000 ppm was 0.999. The correction factor for the PID was 1.05 at the studied concentration range.Conclusion: Although the results presented by PID were different from those extracted from the NIOSH reference method, the response was linear. Thus, in studies of measuring airborne concentrations of toluene using this type of detector; the reading values must be corrected by the calculated correction factor.
 
Keyword(s): VOLATILE ORGANIC COMPOUNDS, TOLUENE, FLAME IONIZATION DETECTOR, PHOTO IONIZATION DETECTOR, DIRECT READING METHOD
 
 
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APA: Copy

AZIMI PIRSARAEI, S., & ASILIAN MAHABADI, H., & JONIDI JAFARI, A., & MEHRASBI MOHAMMAD, R. (2015). EVALUATION OF PHOTOIONIZATION DETECTOR PERFORMANCE FOR MEASURING THE AIRBORNE TOLUENE. IRAN OCCUPATIONAL HEALTH JOURNAL, 12(3), 76-85. https://www.sid.ir/en/journal/ViewPaper.aspx?id=506461



Vancouver: Copy

AZIMI PIRSARAEI S.R., ASILIAN MAHABADI H., JONIDI JAFARI A., MEHRASBI MOHAMMAD R.. EVALUATION OF PHOTOIONIZATION DETECTOR PERFORMANCE FOR MEASURING THE AIRBORNE TOLUENE. IRAN OCCUPATIONAL HEALTH JOURNAL. 2015 [cited 2022January19];12(3):76-85. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=506461



IEEE: Copy

AZIMI PIRSARAEI, S., ASILIAN MAHABADI, H., JONIDI JAFARI, A., MEHRASBI MOHAMMAD, R., 2015. EVALUATION OF PHOTOIONIZATION DETECTOR PERFORMANCE FOR MEASURING THE AIRBORNE TOLUENE. IRAN OCCUPATIONAL HEALTH JOURNAL, [online] 12(3), pp.76-85. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=506461.



 
 
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