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Terms by IUPAC Div.
Version 3.0.1 (6463 Terms)
DOI: 10.1351/goldbook
Jan Kaiser - Content Editor
Stuart Chalk - Technical Editor
Joint Subcommittee
on the IUPAC Gold Book
Gold Book Terms (1394) from the Analytical Chemistry Division (V)
A
B
C
D
E
F
G
H
I
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Z
absolute activation analysis
absolute counting
absolute full energy peak efficiency
absolute photopeak efficiency
absolute preconcentration
absorbance matching
absorbed dose
absorbed electron coefficient
absorbed electrons
absorber
absorption
absorption pathlength
acceleration energy
accelerator
accuracy
acid–base indicator
acid–base titration
acidimetric titration
acidity constant
activation analysis (nuclear)
activation cross-section
activation
activator
active medium
active solid
active species
activity
additive
additivity
adsorbate
adsorbent
adsorption
adsorption chromatography
adsorption current
adsorption indicator
adsorption isotherm
affinity chromatography
after mass analysis
ageing of precipitate
aliquot
alternating current
alternating voltage
amphiprotic (solvent)
amplification reaction
amplitude of alternating current
amplitude of alternating voltage
analogue to digital converter (pulse)
analyte
analytical instrument
analytical intercomparison
analytical portion
analytical pyrolysis
analytical quality control
analytical radiochemistry
analytical sample
analytical solution
Anger camera
anion exchange
anion exchanger
annihilation
anti-Compton γ-ray spectrometer
anti-Stokes type radiation (fluorescence)
anticircular elution
antiparticle
apex current
apex potential
appearance temperature
applied potential
area
arithmetic mean
artificial radioactivity
ascending elution
ashing
assay
assay kit
asymmetry potential
atomic fluorescence
atomic laser
atomic spectral lines
atomization
atomization surface temperature
atomizer
attenuation
Auger effect
Auger electron
Auger electron spectroscopy
Auger electron yield
Auger yield
auto-ionization
autocatalytic reaction
automation
autoradiograph
autoradiolysis
auxiliary electrode
avalanche photodiode
average life
average rate of flow
α-decay
back extraction
back scatter coefficient
back scattered electrons
back washing
background mass spectrum
background
background radiation
backscatter
backscattering spectroscopy
band spectra
base electrolyte
base peak
baseline error
baseline
batch
batch injection calorimetry
batch operation
beam current
beam diameter
becquerel
bed volume
before mass analysis
bias
bias error
biased linear pulse amplifier
binder
biological half life
blank value
blaze-angle
bolometer
bomb-digestion
bonded phase
bound fraction
branching decay
branching fraction
branching ratio
Bremsstrahlung
bridge solution
buffer-addition technique
bulk concentration
bulk sample
Bunsen burner
burn-up
burn-up fraction
burning tension
bypass injector
β-cleavage
β-decay
β-particle
calibration function
calibration
calibration material
calibration sample
calorimetric titration
calorimetry
capillary column
capture
capture cross-section
capture γ-radiation
carbon loading
carrier
carrier gas
carrier
carrier-free
carry-over
catalymetric titration
catalyst
catalytic current
catalytic current, limiting
catalytic thermometric titration
cation exchange
cation exchanger
cell error
centrifugal flow
Cerenkov detector
Cerenkov effect
Cerenkov radiation
chain fission yield
chain reaction
chamber saturation
channel
channel photomultiplier tube
characteristic
characteristic mass for integrated absorbance
characteristic mass for peak absorption
characteristic mass
characteristic potential
characteristic X-radiation
characteristic X-ray emission
charge-transfer device
charring
chelatometric titration
chemi-ionization
chemical actinometer
chemical dosimeter
chemical ionization
chemical isotope exchange
chemical measurement process
chemical shift
chemical vapour generation
chemical yield
chemiluminescence
chiral mobile phase
chiral selector
chiral stationary phase
chromatogram
chromatograph (noun)
chromatograph (verb)
chromatographic detector
chromatography
circular development
circular elution
clean surface
clean up
closed system
co-ions
coagulation
coextraction
coherent source
coincidence circuit
coincidence resolving time
cold neutrons
collection
collection gas flow system
collector
collimation
collimator
collisional broadening
colour indicator
column chromatography
column
column volume
combination electrode
combined sample
comparator
competitive binding assay
complexometric titration
composite reaction
composite sample
Compton effect
Compton electron
Compton scattering
concave isotherm
concentration distribution ratio
concentration factor
concentration in experimental surface (or surface concentration)
concentration thermometric technique
concentration-sensitive detector
conditioning
confidence level
confidence limits (about the mean)
confined atomizer
coning and quartering
conjugation labelling
consignment
continuity inversion
continuous bed packing
continuous flow
continuous flow enthalpimetry
continuous operation
continuous-flow cell
control material
control sample
convenience sample
conversion electron
convex isotherm
coprecipitation
corrected emission spectrum
corrected excitation spectrum
corrected retention volume
cosolvent
count
counter tube
counter-ions
counting efficiency
counting loss
counting rate
coupled (indicator) reaction
coupled simultaneous techniques
critical excitation energy
critical point
critical pressure
critical temperature
cross reaction
crowding
crud
crystal diffraction spectrometer
crystal laser
crystalline electrodes
cumulative fission yield
curie
current migration
cyclotron
dark output
dark resistance
Darlington phototransistor
daughter product
dead time correction
dead time
dead-volume
decay chain
decay curve
decay rate
decay scheme
decontamination factor
definitive method
deflection (for a precision balance)
degrees of freedom
delayed coincidence
delayed fluorescence
delayed neutrons
density inversion
depolarizer
depth profile
depth resolution
derivative potentiometric titration
derivative spectroscopy
descending elution/development
desolvation
detection efficiency
detection limit
detection limit
deviation
devolatilizer
diagram level
diagram line
difference absorption spectroscopy
differential detector
differential scanning calorimetry
differential thermal analysis
diffused junction semiconductor detector
diffusion current
diffusion current constant
diluent
diluter
diode laser
direct (radiochemical) isotope dilution analysis
direct amplification
direct current
direct fission yield
direct thermometric method
direct transfer gas flow system
direct-injection burner (for analytical flame spectroscopy)
direct-injection enthalpimetry
discontinuous simultaneous techniques
discriminator
disintegration rate
dispenser
dispersion (for spectroscopic instruments)
displacement chromatography
dissolution
distribuend
distribution
distribution coefficient
distribution constant
distribution constant
distribution isotherm
distribution ratio
DM-interference
Doppler broadening
dose
double escape peak
double-beam spectrometer (for luminescence spectroscopy)
double-focusing mass spectrometer
double-layer current
double-wavelength spectroscopy
down-time
drift
drop time
dynamic field(s) mass spectrometer
dynamic thermomechanometry
effective cadmium cut-off energy
effective half life
effective theoretical plate number
effective thermal cross-section
effectively infinite thickness
efficiency
efficiency of atomization
efficiency of nebulization
effluent
elastic scattering
elastic scattering
electrical arc
electro-osmotic hold-up time
electro-osmotic mobility
electroactive substance
electrode memory
electron capture
electron microscopy
electron probe microanalysis
electron probe X-ray microanalysis
electron stopping power
electrophoretic velocity
electrothermal atomizer
elementary particle
elementary reaction
eluate
eluent
elute
elution
elution band
elution chromatography
elution curve
end-point
energy dispersion
energy dispersive detector
energy dispersive X-ray fluorescence analysis
energy flux density
energy
energy resolution
energy threshold
energy yield of luminescence
enhanced phosphorescence analysis
enhancement reaction
enrichment factor
enrichment, isotopic
enthalpimetric analysis
enthalpimetric flow injection analysis
enthalpimetric titration
enthalpimetry
enthalpogram
enthalpy of activation
enzyme substrate electrode
enzyme thermistor
enzymes
enzymic decomposition
epi-phase
epicadmium neutrons
epithermal neutrons
equilibration
error
escape depth (for surface analysis techniques)
evaluation function
evolved gas analysis
evolved gas detection
exchange extraction
exchange labelling
excimer laser
excimer-luminescence
exciplex-luminescence
excitation
excitation energy
excitation energy
excitation level
excitation-emission spectrum
exclusion chromatography
expected value
exponential decay
exposure
extended X-ray absorption fine structure
extent of reaction
external standard
extra-column volume
extract (noun)
extract (verb)
extractability
extractant
extracting agent
extraction
extraction (equilibrium) constant
extraction coefficient
extraction factor
extraction
extraction isotherm
extrapolated range
fall time
faradaic current
faradaic demodulation current
faradaic rectification current
Faraday cup collector
fast neutrons
feedback
fertile
field effect phototransistor
field ionization
filling solution
film badge
filter
filter spectrometer
fissile
fission fragments
fission neutrons
fission products
fission yield
fissionable
fixed ions
flame-in-tube atomizer
flash fluorimetry
flash lamps
flash vacuum pyrolysis
flow analysis
flow enthalpimetry
flow injection
flow injection enthalpimetry
flow rate
flow resistance parameter
flow-programmed chromatography
fluorescence
fluorescence error
fluorescence excitation
fluorescence yield
flux depression
forbidden line
formation constant
fraction collector
fraction extracted
fragment ion
front surface geometry
frontal chromatography
fronting
fuel cycle (nuclear)
fuel element (nuclear)
fuel reprocessing (nuclear)
full energy peak
furnace pyrolysis
G
value
gain
gas chromatography
gas laser
gas sensing electrode
gas-filled phototube
gas-filled X-ray detector
gas-liquid chromatography
gas-solid chromatography
gated photodetector
Geiger counter
Geiger–Muller counter tube
gel permeation chromatography
generally labelled tracer
geometric mean
geometric attenuation
geometry (counting)
geometry factor
glass electrode error
glass laser
glove box
gradient elution
gradient layer
gradient packing
group preconcentration
growth curve
γ-cascade
half life
half thickness
half-peak potential
half-wave potential
harmonic mean
heavy water
height equivalent to a theoretical plate (h.e.t.p.)
height equivalent to an effective theoretical plate
heterogeneity
heterogeneous catalysis
heterogeneous membrane electrode
high resolution energy loss spectroscopy
hold-back carrier
hold-up volume
hold-up volume
Holtsmark broadening
homogeneity
horizontal elution
hot atom
hot cell
hydrogen gas electrode
hypersatellite
hypo-phase
hysteresis
ideal chromatography
ideal, non-linear chromatography
image converter tube
image dissection tube
immobilized phase
immunoassay
immunoradiometric assay
imprecision
impregnation
in situ
micro-X-ray diffraction
in situ
microanalysis
in-laboratory processing
inaccuracy
increment (for bulk materials and large units)
indicator (visual)
indicator electrode
indifferent electrolyte
indirect amplification
induced radioactivity
induced reaction
infinite source thickness
inhibitor
inhomogeneity error
initial rate method
injection temperature
inner orbital X-ray emission spectra
input rate
instantaneous current
instantaneous rate of flow
instrumental activation analysis
instrumental dependability
instrumental indication (for a precision balance)
integral detector
intensity (relative to base peak)
interchromophoric radiationless transition
interconal region
interference
interfering lines
interfering substance
intermediate neutrons
intermolecular radiationless transition
internal filling solution
internal reference electrode
internal standard
interparticle porosity
interparticle volume of the column
interstitial fraction
interstitial velocity
interstitial volume
interzonal region
intrachromophoric radiationless transition
intrinsic detector efficiency
intrinsic full energy peak efficiency
intrinsic photopeak efficiency
inverse square law
iodometric titration
ion
ion cyclotron resonance (ICR) mass spectrometer
ion exchange
ion exchanger
ion laser
ion microscopy
ion probe microanalysis
ion scattering spectrometry
ion-exchange chromatography
ion-exchange isotherm
ion-selective electrode
ion-selective electrode cell
ion/molecule reaction
ionization buffer
ionization by sputtering
ionization chamber
ionization efficiency curve
ionizing radiation
ionizing voltage
ionogenic groups
irradiation
isobaric mass-change determination
isobaric separation
isoconfertic separation
isocratic analysis
isomeric state
isomeric transition
isopotential point
isopycnic separation
isothermal chromatography
isotones
isotope dilution
isotope dilution analysis
isotope effect
isotope exchange
isotope exchange analysis
isotopes
isotopic abundance
isotopic carrier
isotopic enrichment
isotopic enrichment factor
isotopic ion
isotopic labelling
isotopic separation
isotopic tracer
kinetic current
kinetic method
kinetic synergist
label
labelling
laboratory sample
Landolt reaction
laser
laser beam ionization
laser ionization
laser micro emission spectroscopy
laser micro mass spectrometry
laser Raman microanalysis
lateral resolution
laws of distribution
layer equilibrium
lifetime
limit of detection
limiting adsorption current
limiting catalytic current
limiting current
limiting diffusion current
limiting kinetic current
limiting migration current
linear chromatography
linear dispersion
linear distribution isotherm
linear electron accelerator
linear energy transfer
linear polarizer
linear pulse amplifier
linearity of responsivity
liquid chromatography
liquid excimer laser
liquid ion exchange
liquid ion laser
liquid junction
liquid laser
liquid scintillation detector
liquid volume
liquid-coated stationary phase (material)
liquid-gel chromatography
liquid-liquid distribution (extraction) (partition)
liquid-liquid extraction
liquid-phase loading
live time
load (on a precision balance)
loading capacity
local efficiency of atomization
local fraction atomized
local fraction desolvated
local fraction volatilized
logit
Lorentz broadening
lot
low energy electron diffraction
low pressure electrical discharge
low temperature UV–VIS absorption spectroscopy
luminescence
luminescence quenching
luminescence spectrometer
machine
macroscopic cross-section
magnetic deflection
manipulator
manual
marker
mass (weight) of the stationary phase
mass distribution ratio
mass distribution ratio
mass distribution ratio
mass spectrometer
mass spectrometry
mass-flow sensitive detector
mass-transfer-controlled electrolyte rate constant
matched cells
matrix effect
matrix
McLafferty rearrangement
mean
mean interstitial velocity of the carrier gas
mean linear range
mean mass range
measurable quantity
measured excitation spectrum
measured spectrum
measured value
measurement result
measurement solution
mechanical entrapment
mechanization
median
membrane
membrane sites
mercury flow system
metastable
metastable state
metastable state
microphotometer
microscopic cross-section
migration current
migration time
migration time of micelles
milligram equivalent of readability
milling
mixed crystal
mixed indicator
mixing
mobile phase
mobile-phase velocity
mode
moderation
moderator
modified active solid
modified sample
modifier
Mohr amplification process
molar activity
molecular anion
molecular cation
molecular ion
molecular laser
molecular spectra
molecularity
mono-energetic radiation
monolayer capacity
Mössbauer effect
multi-channel pulse height analyser
multiple-pass cell
multiplex spectrometer
multipole line
multistage sampling
natural broadening
natural isotopic abundance
natural radiation
natural radioactivity
negative ion
negaton
neutron density
neutron multiplication
neutron temperature
Nier–Johnson geometry
no carrier added
no-load indication (for a precision balance)
noise
nominal linear flow
nominally labelled tracer
non-crystalline electrodes
non-destructive activation analysis
non-ideal chromatography
non-ideal, linear chromatography
non-ideal, non-linear chromatography
non-isotopic labelling
non-linear chromatography
non-linear distribution isotherm
non-linearity error
normal X-ray level
normal-phase chromatography
nuclear chemistry
nuclear decay
nuclear disintegration
nuclear fission
nuclear fuel
nuclear fusion
nuclear fusion reaction
nuclear isomers
nuclear level
nuclear particle
nuclear reactor
nuclear transformation
nuclear transition
nucleation
nucleus
nuclide
nuclidic mass
occlusion (molecular)
open-tubular column
operational pH cell
operational pH standard
opposing reactions
optical-beam error
order of reaction
organic dye laser
output rate
oxidation–reduction (redox) titration
oxygen-flask combustion
packed column
packing
pair attenuation coefficient
pair production
Pallmann effect
parallel reactions
parent ion
partial decay constant
partial digestion
partial microscopic diffusion control
particle density
particle induced X-ray emission analysis
partition
partition chromatography
partition coefficient
partition constant
partition isotherm
partition ratio
peak analysis
peak area
peak area method
peak base
peak current
peak elution volume (time)
peak enthalpimetry
peak fitting
peak height
peak
peak maximum
peak potential
peak resolution
peak widths
pellicular packing
Penning gas mixture
percentage error
percentage relative error
percentage standard deviation
perfusion stationary phase (material)
periodic voltage
permeation chromatography
permselectivity
pH
pH glass electrode
pH standard
pH
0.5
or pH
1/2
phase fluorimetry
phase inversion
phase ratio
phase ratio
phosphorescence
phosphoroscope
photoacoustic detector
photoconductive detector
photodiode
photodiode array
photoelectric attenuation coefficient
photoelectric peak
photoelectrical effect
photoelectron spectroscopy
photoelectron yield
photoemissive detector
photoionization
photomultiplier tube
photon activation
phototransistor
pile-up
PIN semiconductor detector
planar chromatography
plasma
plate height
plate number
pneumatic detector
polarization error
polarography
polychromator
polymeric stationary phase (material)
porous-layer open-tabular (PLOT) column
position-sensitive photomultiplier tube
positron
post-column derivatization
post-filter effect
postprecipitation
potentiometric selectivity coefficient
pre-equilibrium
pre-filter effect
precipitation from homogeneous solution
precision
precision
precision
precision of indication
preconcentration coefficient
preconcentration
precursor
precursor ion
premix burner
pressure gradient correction factor
pressure jump
pressure-sensitive detector
primary electrons
primary pH standards
primary sample
progenitor ion
program
programmed-flow chromatography
programmed-pressure chromatography
programmed-temperature chromatography
prolate trochoidal mass spectrometer
prompt coincidence
prompt neutrons
proportional counter
proportional counter tube
proportional gas-scintillation counter
protonation constant
pulse amplitude analyser
pulse amplitude selector
pulse duration
pyroelectric detector
pyrolysis-gas chromatography
quadratic mean
quadrupole mass analyser
qualitative analysis
qualitative elemental specificity
quality factor
quantitative analysis
quantized internal energy
quantum counter
quarter-transition-time potential
quenching correction
γ-quantum
rabbit
radial electrostatic field analyser
radial elution (radial development) or circular elution (circular development)
radiation
radiation chemistry
radiation continuum
radiation counter
radiation detector
radiation hazard
radiation spectrum
radiationless transition
radiative absorption
radiative capture
radiative de-excitation
radiative transition
radioactive
radioactive age
radioactive contamination
radioactive cooling
radioactive dating
radioactive decay
radioactive equilibrium
radioactive fallout
radioactive source
radioactive tracer
radioactive tracer technique
radioactive waste
radioactivity
radiochemical activation analysis
radiochemical purification
radiochemical purity
radiochemical separation
radiochemical yield
radiochemistry
radiochromatograph
radiocolloid
radioenzymatic assay
radiograph
radiogravimetric analysis
radioimmunoassay
radioiodination
radioisotope
radioisotope dilution analysis
radioisotope induced X-ray emission analysis
radiolysis
radiometric analysis
radiometric titration
radionuclide
radionuclidic purity
radioreceptor assay
radiorelease analysis
raffinate
random coincidence
random sample
range
rate of liquid consumption
rate of nucleation
ratemeter
ratio
re-extraction
reaction chromatography
reaction time
readability
reading
rearrangement ion
recoil
recoil labelling
recovery factor
redox ion exchangers
reduced mobile phase velocity
reduced sample
reducing
referee sample
reference electrode
reference method
reference value pH standard
reflection electron energy loss spectroscopy
reflection high energy electron diffraction
refraction effects
relative biological effectiveness
relative counting
relative detection limit
relative preconcentration
relative retardation
relative retention
relative spectral responsivity
relative standard deviation
relaxation
relaxation kinetics
releaser
repeatability
replicate (duplicate) sample
report
reprecipitation
representative sample
reproducibility
reserve sample
residual current
residual liquid junction (potential) error
resolution
resolving power
resolving time correction
resolving time
resonance energy
resonance integral
resonance line
resonance neutrons
response constant
response time
responsivity
rest point
result
retardation factor
retardation factor
retention factor
retention
retention index
retention temperature
retention time
retention volumes
reversed (radiochemical) isotope dilution analysis
reversed direct-injection burner
reversed-phase chromatography
RF value
riffling
RM value
Rutherford backscattering
α- (β-, γ-) ray spectrometer
γ-radiation
γ-ray spectrometer
salt form of an ion exchanger
salting out
sample error
sample handling
sample
sample injector
sample unit
sampler
sampling error
sampling interval
sampling plan
sampling time
saturated solution
saturation
saturation activity
saturation
scaler
scaling circuit
scanning electron microscopy
scanning transmission electron microscopy
scattering
scattering error
scavenging
scintillation
scintillation counter
scintillation detector
scintillation spectrometer
scintillators
scrubbing
secondary electron multiplier
secondary electron yield
secondary electrons
secondary fluorescence
secondary radiation
secular equilibrium
segment
selective elution
selective
selective micro-sample
selective preconcentration
selective sample
selectivity
selectivity coefficient
selectivity factor
selectivity ratio
self-absorption
self-absorption broadening
self-absorption effect
self-absorption factor
self-reversal
self-shielding
semiconductor
semiconductor detector
semiconductor laser
sensitive area
sensitive volume
sensitivity
sensitivity
sensitized luminescence
separated flame
separation coefficient
separation factor
separation factor
separation number
separation temperature
sequential sample
sequential spectrometer
series
settling error
shut-down state
shut-down time
signal
simulation technique
simultaneous reactions
simultaneous spectrometer
single escape peak
single-beam (luminescence) spectrometer
single-focusing mass spectrometer
singlet-singlet absorption
singlet-triplet absorption
slow neutrons
SM-interference
solid phase antibody radioimmunoassay
solid support
solid volume
solubility
solubility parameter
solubility product
solute
solute-volatilization interference
solution
solvent extraction
solvent front
solvent
solvent ion exchange
solvent migration-distance
solvent regeneration
sorption isotherm
sorption techniques
spark (source) ionization
spatial-distribution interference
spatially resolving detector
specific activity
specific burn-up
specific detector
specific
specific ionization
specific permeability
specific retention volume
specifically labelled tracer
specimen
spectral bandwidth error
spectral distribution
spectral interference
spectral responsivity
spectrochemical buffer
spectrochemical carrier
spectrogram
spectrograph
spectrometer
spectroscope
spectrum analysis
spin conservation rule
spontaneous fission
spot
sprayer
sputter yield
sputtering
square-wave current
stand-by state
standard deviation
standard solution
standard subtraction method
start-up time
starting line
static fields mass spectrometer
stationary phase
stationary phase volume
stationary-phase fraction
steady state
steady state
step height
step
stepwise elution
stereospecifically labelled tracer
Stokes type radiation
stopped flow
stopped-flow cell
stopping power
stratified sample
stray radiation error
streak tube
stripping
stripping isotherm
stripping ratio
stripping solution
sublation
subsample
substoichiometric extraction
substoichiometric isotope dilution analysis
substrate
summit current
summit potential
supercritical fluid
supercritical fluid chromatography
support plate
support-coated open-tubular (SCOT) column
supporting electrolyte
suppressor
surface
surface barrier semiconductor detector
surface contamination
surface coverage
suspension effect
synchronously excited (fluorescence, phosphorescence) spectrum
synchrotron radiation
synergism
Szilard–Chalmers effect
tagged
tailing
temperature coefficient
temperature effect
temperature jump
temperature-programmed chromatography
term
test portion
test sample
test solution
thermal analysis
thermal column
thermal fission
thermal ionization
thermal neutrons
thermochemical analysis
thermocouple
thermodilatometry
thermogram
thermogravimetry
thermometric
thermometric enthalpy titration
thermometric titration
thermopile
thickness of reaction layer
thin-layer chromatography
throughput rate
time constant
time-of-flight mass spectrometer
titrant
titration
titration curve
titration error
titre
torsional braid analysis
total ion current
total retention volume
total velocity of the analyte
totally porous packing
trace element
traceability
tracer
track (nuclear)
track detector (nuclear)
transducer
transfer activity coefficient
transfer
transition interval
transition time
transmission electron energy loss spectroscopy
transmission electron microscopy
transmission high energy electron diffraction
transport
transport interference
treated solution
triplet-triplet absorption
true coincidence
true value
tunable laser
two-dimensional chromatography
two-site immunoradiometric assay
ultimate capacity
umpire sample
uniformly labelled tracer
unit
universal detector
UV photoelectron spectroscopy
vacuum phototube
value of a division
vaporization temperature
vapour phase interference
variable pathlength cell
variable
variance
vidicon
volatilizer
voltage
voltammetric constant
volume of the stationary phase
volumetric flowrate
volumic
wall-coated open-tubular (WCOT) column
wave height (electrochemical)
wavelength converter
wavelength dispersion
wavelength error
wavelength-dispersive X-ray fluorescence analysis
weighted mean
Westcott cross-section
Wiegner effect
Wilzbach labelling
working electrode
X-radiation
X-ray escape peak
X-ray fluorescence
X-ray fluorescence analysis
X-ray intensity
X-ray level
X-ray photoelectron spectroscopy
X-ray satellite
X-ray spectroscopy
Zeeman effect
zero point
zero point of scale
zone
zone melting method of preconcentration