The measurement of anthropogenic and biogenic volatile organic compounds
(VOCs) in urban air is important because of their toxic effects and because they
can produce secondary air pollutants (e.g. ozone, particulate matter). Benzene,
toluene, ethylbenzene and xylenes (BTEX), representing anthropogenic VOCs
(AVOCs), and isoprene, a biogenic VOC (BVOC), were monitored at an urban site
in Kuala Lumpur (KL). Active sampling was conducted using sorbent tubes packed
with Tenax®TA/1 TD for 5 days (daytime). Analysis of VOCs was performed using
Thermal Desorption-Gas Chromatography Mass Spectrometry (TD-GCMS).

Categories: Ozon, Udara
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