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PAC, 1990, 62, 2167. Glossary of atmospheric chemistry terms (Recommendations 1990), doi:10.1351/pac199062112167

abatement in atmospheric chemistry
absorbance, $A$
absorber
absorption
absorption coefficient
absorption cross-section, $σ$
absorption line
absorption spectrum
accommodation coefficient
accretion in atmospheric chemistry
accuracy of a measuring instrument
accuracy of measurement
acid
acid deposition in atmospheric chemistry
acid rain in atmospheric chemistry
actinic flux $S λ$
activity coefficient, $f$ , $γ$
adiabatic lapse rate in atmospheric chemistry
adsorbate
adsorbent
adsorber
adsorption
advection in atmospheric chemistry
aeration in atmospheric chemistry
aeromete in atmospheric chemistry
aerometric measurement in atmospheric chemistry
air contaminant in atmospheric chemistry
air mass in atmospheric chemistry
air monitoring station in atmospheric chemistry
air pollutant
air pollution
air pollution index (air quality index)
air pollution survey in atmospheric chemistry
air quality characteristic in atmospheric chemistry
air resource management in atmospheric chemistry
air sampling network in atmospheric chemistry
Aitken particles
albedo
aldehydes
alert levels in atmospheric chemistry
aliquot in analytical chemistry
altocumulus cloud in atmospheric chemistry
altostratus cloud in atmospheric chemistry
ambient air in atmospheric chemistry
ambient air quality in atmospheric chemistry
Ames/salmonella test
amperometric detection method in electrochemical analysis
analytical function
analytical unit (analyser)
aneroid barometer
anticyclone in atmospheric chemistry
appearance energy (appearance potential)
arrester in atmospheric chemistry
Arrhenius equation
ash in atmospheric chemistry
aspirator
atmosphere
atmosphere of the earth
atomize
background concentration (level) in atmospheric chemistry
baffle chamber in atmospheric chemistry
bag filter in atmospheric chemistry
baghouse in atmospheric chemistry
base
baseline in chromatography
Beer–Lambert law (or Beer–Lambert–Bouguer law)
biosphere in atmospheric chemistry
bivane in atmospheric chemistry
blank value in analysis
blowdown in atmospheric chemistry
bond-dissociation energy, $D$
boundary layer in atmospheric chemistry
breeching in atmospheric chemistry
breeze in atmospheric chemistry
Brownian motion
bubbler in atmospheric chemistry
calibration component
calibration function in analysis
calibration gas mixture in atmospheric chemistry
calibration mixture in analysis
capacitance hygrometer
carbon black
carrier gas
cascade impactor
catalyst
catalytic cracking
ceilometer in atmospheric chemistry
ceramic filter
chain reaction
chemical ionization in mass spectrometry
chemiluminescence analyser
chemisorption (chemical adsorption)
chimney effect in atmospheric chemistry
chromatogram
chromatography
cloud in atmospheric chemistry
coagulation (flocculation) in colloid chemistry
coefficient of haze ( $COH$ ) in atmospheric chemistry
collection efficiency in atmospheric chemistry
collector in atmospheric chemistry
collision number
colorimeter
combustion gas
composition of pure air in atmospheric chemistry
concentration
condensation in atmospheric chemistry
condensation nuclei (CN) in atmospheric chemistry
continuous analyser
continuous indication analyser
continuous measuring cell
controlled atmosphere in atmospheric chemistry
convection (as applied to air motion)
correlation coefficient
coulometric detection method in electrochemical analysis
cracking
critical point
critical temperature, $T c$
cryogenic
cryogenic sampling
cumulative sample
cumulonimbus cloud in atmospheric chemistry
cumulus cloud in atmospheric chemistry
cupola
cut off in aerosol sizes in atmospheric chemistry
cyclone (collector) in atmospheric chemistry
dark reaction (darkness reaction)
dead time of an analyser
decay rate in atmospheric chemistry
deliquescence
demister
denuder system (tube or assembly)
deodorizer in atmospheric chemistry
deposition in atmospheric chemistry
deposition velocity in atmospheric chemistry
desorption
desulfurization
dew point hygrometer (cooled surface condensation)
dew point in atmospheric chemistry
dichotomous sampler
diffraction
diffraction analysis
diffuser
diffusion
diffusion battery
diluent gas
dioxin
discomfort threshold in atmospheric chemistry
discontinuous analyser
discontinuous indication of an analyser
discontinuous measuring cell
dispersion in atmospheric chemistry
diurnal variation in atmospheric chemistry
Dobson unit in atmospheric chemistry
dosage in atmospheric chemistry
downwash in atmospheric chemistry
droplet in atmospheric chemistry
dry bulb temperature in atmospheric chemistry
drying agent
dust collector in atmospheric chemistry
dust fall in atmospheric chemistry
dust in atmospheric chemistry
dynamic range of an analyser
eddy
eddy dispersion (diffusion)
effective chimney height (stack height)
efflorescence
effluent
einstein
electrical hygrometer
electrochemical detector in gas chromatography
electrochemical method of detection in analysis
electrolytic hygrometer
electron capture detector in gas chromatography
electron charge
electrostatic filter
electrostatic precipitator
elute
elutriation
emission control equipment in atmospheric chemistry
emission flux in atmospheric chemistry
emission in atmospheric chemistry
enthalpy, $H$
entrainment in atmospheric chemistry
entropy, $S$
equilibrium constant
equivalent diameter
evaporation
explosivity limits (explosion limits)
fall time
fallout in atmospheric chemistry
fanning in atmospheric chemistry
filter
filtration
flame ionization detector in gas chromatography
flame photometric detector in gas chromatography
flame photometry
flammable limits
flash point
floccule
flow analysis
flue gas in atmospheric chemistry
flue gas scrubber in atmospheric chemistry
fluorimeter
fly ash in atmospheric chemistry
fog
fog horizon in atmospheric chemistry
fossil fuel
fragment ion in mass spectrometry
free energy
free radical
freezing out in atmospheric chemistry
frequency distribution
frost point hygrometer
fume in atmospheric chemistry
fumes
fumigation in atmospheric chemistry
gas analysis installation in atmospheric chemistry
gas black (carbon black, channel black, furnace black)
gas chromatography (GC)
gaseous diffusion separator in atmospheric chemistry
Gaussian band shape
Gibbs energy (function), $G$
grab sampling
gradient
gravimetric method
greenhouse effect in atmospheric chemistry
grit in atmospheric chemistry
ground level concentration in atmospheric chemistry
ground level inversion in atmospheric chemistry
gustiness in atmospheric chemistry
haze horizon in atmospheric chemistry
haze in atmospheric chemistry
helium ionization detector in gas chromatography
Henry's law
humidity in atmospheric chemistry
hydrocracking unit
hydrometeor in atmospheric chemistry
hydrosphere in atmospheric chemistry
hygrometer
hygrometry (moisture analysis)
hysteresis
ideal gas
illuminance, $E$ , $E v$
immission dose in atmospheric chemistry
immission flux in atmospheric chemistry
immission in atmospheric chemistry
immission rate in atmospheric chemistry
impaction
impingement
impinger
incinerator
individual perception threshold in atmospheric chemistry
inert gas
inertial separator
instability (with reference to instrumentation)
instantaneous (spot) sampling in atmospheric chemistry
intensity
inversion height in atmospheric chemistry
ion collector in mass spectrometry
ion source in mass spectrometry
isobar in atmospheric chemistry
isokinetic line in atmospheric chemistry
isokinetic sampling in atmospheric chemistry
isotherm in atmospheric chemistry
isotope pattern in mass spectrometry
isotropic
j-value in atmospheric chemistry
lachrymator
lapse rate in atmospheric chemistry
LIDAR in atmospheric chemistry
light scattering
limiting condition of operation
linear (decadic) absorption coefficient in optical spectroscopy
linear range
lithometeor in atmospheric chemistry
lithosphere in atmospheric chemistry
log-normal distribution
luminance
luminescence
macrometeorology in atmospheric chemistry
mass balance in atmospheric chemistry
mass peak in mass spectrometry
mass range in mass spectrometry
mass spectrometer
mass spectrometer focusing system (deflection system)
mass spectrometric detector in gas chromatography
mass spectrum
matrix isolation
maximum allowable concentration in atmospheric chemistry
maximum emission concentration in atmospheric chemistry
maximum storage life
mean free path, $λ$
measurement resolution in atmospheric trace component analysis
measurement threshold of an analyser
mechanical hygrometer
memory effect in atmospheric chemistry
mesopause in atmospheric chemistry
mesoscale
mesosphere
microclimatology
micrometeorology
middle atmosphere
Mie scattering
mist in atmospheric chemistry
mixing height in atmospheric chemistry
mixing ratio in atmospheric chemistry
mobile phase in chromatography
mobility in aerosol physics
mode
nephelometry
nimbostratus cloud in atmospheric chemistry
normal distribution
nuisance threshold in atmospheric chemistry
number density, $n$
odour threshold in atmospheric chemistry
open hearth furnace in atmospheric chemistry
oxidant in atmospheric chemistry
oxidation state
oxidized species
ozone hole
particle concentration in atmospheric chemistry
particle size distribution in atmospheric chemistry
particle size in atmospheric chemistry
particulate matter in atmospheric chemistry
passive sampler
peak concentration (trace atmospheric component)
permeation tube
pH
photochemistry
photoionization detector in gas chromatography
photolysis
photometry
photophoresis
photostationary state
photosynthesis
phytotoxicant
plume in atmospheric chemistry
pollution (pollutant)
potential temperature
potentiometer
potentiometric detection method in electrochemical analysis
precipitation
precision
primary mixture
primary pollutant in atmospheric chemistry
psychrometric hygrometer
psychrometry
quality assurance
quality control
radical (free radical)
radiometry
radiosonde
rain out in atmospheric chemistry
range of measurement of an analyser
Rayleigh scattering
reduced species
reference material
reference procedure in analysis of trace air constituents
relative density, $d$
relative humidity
repeatability
reproducibility
residence time
residual fuel/oil
residual spectrum/background spectrum in mass spectrometry
resolution in gas chromatography
response time of an analyser
retention efficiency in particle separation
Ringelmann chart in atmospheric chemistry
rise time of an analyser
rotometer in atmospheric chemistry
sanitary land fill
saturation vapour pressure
scanning method in mass spectrometry
scattering
scattering angle, $θ$
scattering cross-section, $σ scat$
scavenging
scrubber in atmospheric chemistry
scrubbing
secondary pollution (emissions)
sedimentation
selectivity in analysis
sensitivity, $A$ in metrology and analytical chemistry
sequential analyser
sequential indication of an analyser
sequential measuring cell
settling chamber in atmospheric chemistry
settling velocity
sink in atmospheric chemistry
smog chamber in atmospheric chemistry
smog in atmospheric chemistry
smog index in atmospheric chemistry
smoke
soiling in atmospheric chemistry
solar flare
solar radiation in atmospheric chemistry
solubility
solution
soot
sorption in colloid chemistry
specific gravity
spectral irradiance, $E λ$
spectral spheradiance
stagnant inversion in atmospheric chemistry
standard conditions for gases
standard deviation, $s$
static pressure
static stability
steady state (stationary state)
steric factor
stochastic sampling
stoichiometric
Stokes law
Stokes number, $St$
STP
stratocumulus cloud
stratopause
stratosphere
stratus cloud
supersaturation
suspended matter in atmospheric chemistry
synoptic scale
systematic error
temperature inversion in atmospheric chemistry
temperature lapse rate in atmospheric chemistry
thermal conductivity detector in gas chromatography
thermodynamic temperature, $T$
thermosphere
titration
tracer
transfer line
Troe expression
tropopause
troposphere
turbidity, $τ$ in light scattering
ultrasonic detector in gas chromatography
upper limit of measurement in atmospheric trace component analysis
variance $V$ , $σ 2$
visibility in atmospheric chemistry
wash out in atmospheric chemistry
wet bulb temperature
wind rose