Title: European Interlaboratory Comparison of Passive Samplers for Organic Vapour Monitoring in Indoor Air
Authors: DE BORTOLI MaurizioMOLHAVE LarsULLRICH Detlef
Publisher: European Commission
Publication Year: 1986
JRC N°: JRC4156
Other Identifiers: EUR 10487 EN
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC4156
Type: EUR - Scientific and Technical Research Reports
Abstract: AN INTERLABORATORY EXPERIMENT WAS MADE WITH THE AIM OF TESTING PASSIVE SAMPLERS FOR VOLATILE ORGANIC COMPOUNDS IN INDOOR AIR AND, AT THE SAME TIME, EVALUATING THE AGREEMENT AMONG DIFFERENT LABORATORIES IN SUCH DETERMINATIONS. MANY 3M OVM-3500 PASSIVE SAMPLERS WERE EXPOSED SIMULTANEOUSLY IN A LARGE TEST CHAMBER TO THE VAPOURS OF 1-BUTANOL, PENTANAL, 1.1.2-TRICHLOROETHANE, 1-OCTENE, BUTYLACETATE, 3-HEPTANONE, 1.2-XYLENE, A-PINENE AND N-DECANE. LOTS OF THREE SAMPLERS WERE MAILED TO THE PARTICIPATING LABORATORIES, THREE OF WHICH EXPOSED ALSO THEIR ACTIVE SAMPLERS FOR THERMAL DESORPTION. PENTANAL IS SUBSTANTIALLY UNDERESTIMATED WITH PASSIVE SAMPLERS, PROBABLY BECAUSE OF IRREVERSIBLE ADSORPTION. IF THIS COMPOUND IS EXCLUDED, THE DISPERSION OF THE RESULTS FROM THE SIX LABORATORIES ANALYZING THE OVM-3500 SAMPLERS IS QUANTIFIED WITH A STANDARD DEVIATION OF 13%. THE COMPARISON BETWEEN PASSIVE AND ACTIVE SAMPLERS SHOWS A GOOD AGREEMENT FOR APOLAR COMPOUNDS, WHEREAS THE ACTIVE SAMPLING METHOD GIVES 10-50% HIGHER VALUES FOR POLAR COMPOUNDS.
JRC Institute:Joint Research Centre Historical Collection

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