Instrumentation for quantitative analysis of volatile compounds emission at elevated temperatures. Part 1: Design and implementation.

Abstract:

:A novel suite of instrumentation for the characterisation of materials held inside an air-tight tube furnace operated up to 250 °C has been developed. Real-time detection of released gases (volatile organic compounds (VOCs), CO2, NO, NO2, SO2, CO and O2) was achieved combining commercial off-the-shelf (COTS) gas sensors and sorbent tubes for further qualitative and semi-quantitative analysis by gas chromatography-mass spectrometry coupled to thermal desorption (TD-GC-MS). The test system was designed to provide a controlled flow (1000 cm3 min-1) of hydrocarbon free air through the furnace. The furnace temperature ramp was set at a rate of 5 °C min-1 with 10 min dwell points at 70 °C, 150 °C, 200 °C and 250 °C to allow time for stabilisation and further headspace sampling onto sorbent tubes. Experimental design of the instrumentation is described here and an example data set upon exposure to a gas sample is presented.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Lourenço C,Bergin S,Hodgkinson J,Francis D,Staines SE,Saffell JR,Walton C,Tatam RP

doi

10.1038/s41598-020-65472-5

subject

Has Abstract

pub_date

2020-05-26 00:00:00

pages

8700

issue

1

issn

2045-2322

pii

10.1038/s41598-020-65472-5

journal_volume

10

pub_type

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