An assembly for the purpose of determining one or more components in a gaseous mixture.
It generally comprises the following elements: sample probe, region of primary treatment
of the gases, region of secondary treatment of gases, points for venting to the atmosphere
and for calibration sample injection, transfer line
and the analytical unit.
PAC, 1990, 62, 2167
(Glossary of atmospheric chemistry terms (Recommendations 1990))
on page 2191
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook