(instrumentation): The time required for air or reagent parcel to pass from the entrance to the exit of an instrument. Often this is approximated
as the ratio of the interior volume of the device to the flow rate.
(atmospheric): The average time a molecule or aerosol spends in the atmosphere after it is released or generated there. For compounds with
well defined sources and emission rates, this is estimated by the ratio of the average
global concentration of a substance to its production rate on a global scale. It is
a function of not only the emission rates but the loss rates by chemical and physical
removal processes.
Source:
PAC, 1990, 62, 2167
(Glossary of atmospheric chemistry terms (Recommendations 1990))
on page 2211
Interactive Link Maps
First Level
Second Level
Third Level
Cite as:
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. https://doi.org/10.1351/goldbook.
Original PDF version: http://www.iupac.org/goldbook/R05309.pdf. The PDF version is out of date and is provided for reference purposes only. For
some entries, the PDF version may be unavailable.
in biotechnology
