Contamination from electrically conductive silicone tubing during aerosol chemical analysis
Journal Article
·
· Atmospheric Environment, 43(17):2836-2839
Electrically conductive silicone tubing is used to minimize losses in sampling lines during the analysis of airborne particle size distributions and number concentrations. We report contamination from this tubing using gas chromatography-mass spectrometry (GC-MS) of filter-collected samples as well as by particle mass spectrometry. Comparison of electrically conductive silicone and stainless steel tubing showed elevated siloxanes only for the silicone tubing. The extent of contamination increased with length of tubing to which the sample was exposed, and decreased with increasing relative humidity.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 958489
- Report Number(s):
- PNNL-SA-64755; ATENBP; 24590; KP1704020; TRN: US201002%%170
- Journal Information:
- Atmospheric Environment, 43(17):2836-2839, Vol. 43, Issue 17; ISSN 0004-6981
- Country of Publication:
- United States
- Language:
- English
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