IUPAC
>
Gold Book
>
alphabetical index
>
A
Indexes
alphabetical
chemistry
math/physics
general
source documents
Download
Gold Book PDF
FAQ
about
sitemap
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
all
(6540 items)
α-addition (alpha-addition)
α- (β-, γ-) ray spectrometer
α (alpha), β (beta)
α-cleavage (alpha-cleavage)
α-decay (alpha-decay)
α-effect
α-elimination
α-expulsion
in photochemistry
α-oxo carbenes
α-particle (alpha-particle)
A
-factor
'
' value
ab initio
calculations
superseded
abatement
in atmospheric chemistry
abeo-
abiological
abiotic
abiotic transformation
absolute activation analysis
absolute activity,
quantity
absolute configuration
absolute counting
in radioanalytical chemistry
absolute electrode potential
absolute full energy peak efficiency
absolute lethal concentration (
)
quantity
absolute lethal dose (
)
quantity
absolute photopeak efficiency
absolute preconcentration
in trace analysis
absorbance,
quantity
absorbance matching
in spectrochemical analysis
absorbed dose
of a substance
absorbed dose,
of radiation
absorbed electron coefficient
in in situ microanalysis
absorbed electrons
in in situ microanalysis
absorber
absorptance,
quantity
absorption
absorption coefficient
absorption coefficient
in biology
absorption cross-section,
quantity
absorption factor
absorption intensity
absorption line
absorption pathlength
of a sample cell
absorption spectrum
absorptivity
abstraction
abstraction process
in catalysis
abundance sensitivity
in mass spectrometry
ac
accelerating voltage (high voltage,
) scan
in mass spectrometry
acceleration,
quantity
acceleration energy
in in situ microanalysis
acceleration of free fall,
quantity
accelerator
in solvent extraction
acceptable daily intake (
)
(
2004,
76
, 1036
)
quantity
acceptor number (
)
quantity
accommodation coefficient
accretion
in atmospheric chemistry
accuracy
of a measuring instrument
accuracy
of measurement
acenes
acetals
acetogenins
acetonides
acetylene black
acetylenes
acetylides
Acheson graphite
achiral
achirotopic
acid
acid anhydrides
acid-labile sulfur
acid–base indicator
acid–base titration
acid deposition
in atmospheric chemistry
acidimetric titration
acidity
acidity constant
acidity function
acidosis
acid rain
in atmospheric chemistry
acid thioanhydrides
aci
-nitro compounds
actinic flux
quantity
actinometer
action spectrum
activated adsorption process
activated carbon
activated charcoal
activated complex
activation
activation
in electrochemical corrosion
activation
in radiochemistry
activation analysis (nuclear)
activation cross-section
activation energy (Arrhenius activation energy)
quantity
activation reaction
activator
active centre
active medium
active metal
in electrochemical corrosion
active site
in heterogeneous catalysis
active solid
active species
active state
in electrochemical corrosion
active transport
in biology
activity
activity,
of a radioactive material
quantity
activity (relative activity),
quantity
activity coefficient,
,
quantity
acute toxicity
acylals
acyl anions
acyl carbenes
acyl cations
acyl groups
acyl halides
acylium ions
acyloins
acyloxyl radicals
acyl radicals
acyl species
added hydrogen
addend
addition
addition reaction
additive
additive name
additivity
of mass spectra
additivity principle
adduct
adduct ion
in mass spectrometry
adhesional wetting
adiabatic
adiabatic electron transfer
adiabatic ionization
in mass spectrometry
adiabatic lapse rate
in atmospheric chemistry
adiabatic photoreaction
adiabatic transition-state theory
adiabatic treatments of reaction rates
adjacent re-entry model
in polymer crystals
adjusted retention volume
in chromatography
adjuvant
ADMR
adsorbate
adsorbent
adsorber
adsorption
adsorption capacity
adsorption chromatography
adsorption complex
adsorption current
adsorption hysteresis
adsorption indicator
adsorption isobar
adsorption isostere
adsorption isotherm
in chromatography
adsorptive
advancement
advection
in atmospheric chemistry
adverse effect
aeration
in atmospheric chemistry
aerobe
aerobic
aerobic conditions
aerogel
aeromete
in atmospheric chemistry
aerometric measurement
in atmospheric chemistry
aerosol
affinity chromatography
affinity of reaction,
quantity
after mass analysis
in mass spectrometry
ageing
of precipitate
agglomerate
in catalysis
agglomeration
agglutination
aggregate
in catalysis
aging (ageing)
of a polymer
aglycon (aglycone)
agonist
agostic
agranular carbon
air contaminant
in atmospheric chemistry
air-lift bioreactor
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
albumin
alcoholates
alcohols
alcoholysis
aldaric acids
aldazines
aldehydes
aldimines
alditols
aldoketoses
aldonic acids
aldoses
aldoximes
alert levels
in atmospheric chemistry
alicyclic compounds
aliphatic compounds
aliquot
in analytical chemistry
alkalimetric titration
alkaloids
alkalosis
alkanes
alkanium ions
alkenes
alkoxides
alkoxyamines
alkylenes
alkyl groups
alkylideneamino carbenes
alkylideneaminoxyl radicals
alkylideneaminyl radicals
alkylidene groups
alkylidenes
alkylidynes
alkyl radicals
alkynes
allele
allenes
allo-
in amino-acid nomenclature
allometric
allosteric enzymes
allostery
allotriomorphic transition
allotropes
allotropic transition
allylic groups
allylic intermediates
allylic substitution reaction
alternant
alternating copolymer
alternating copolymerization
alternating current
alternating voltage
altocumulus cloud
in atmospheric chemistry
altostratus cloud
in atmospheric chemistry
ambident
ambient air
in atmospheric chemistry
ambient air quality
in atmospheric chemistry
ambo
Ames/salmonella test
amic acids
amide hydrazones
amide oximes
amides
amidines
amidium ions
amidrazones
aminals
amine imides
amine imines
amine oxides
amines
amine ylides
aminimides
aminium ions
aminiumyl radical ions
amino-acid residue
in a polypeptide
aminonitrenes
aminooxyl radicals
amino radicals
amino sugars
aminoxides
aminoxyl radicals
aminylenes
aminylium ions
aminyl oxides
aminyl radicals
ammonium compounds
ammonium imines
ammonium ylides
ammoniumyl radical ions
amorphous carbon
amount concentration,
quantity
amount fraction,
(
for gaseous mixtures)
quantity
amount of substance,
quantity
amount-of-substance concentration
amount-of-substance fraction,
ampere
unit
amperometric detection method
in electrochemical analysis
amphipathic
amphiphilic
amphiprotic (solvent)
ampholytes
amphoteric
amplification reaction
amplitude of alternating current
amplitude of alternating voltage
AM (0) sunlight
AM (1) sunlight
anabolism
anaerobe
anaerobic
anaesthetic
analgesic
analogue metabolism
analogue to digital converter (pulse)
analyte
analytical function
analytical instrument
analytical intercomparison
analytical portion
analytical pyrolysis
analytical quality control
analytical radiochemistry
analytical sample
analytical solution
analytical solution calorimetry
analytical unit (analyser)
anation
anchimeric assistance
aneroid barometer
Anger camera
angle
quantity
angle of observation
angle of optical rotation,
quantity
angle strain
ångström
unit
angular distribution
angular frequency,
quantity
angular momentum,
quantity
anhydrides
anhydro bases
anilides
anils
anion
anion exchange
anion exchanger
anionic polymerization
anionotropic rearrangement (or anionotropy)
anion radical
anisometric
anisotropy
annelation
annihilation
annulation
annulenes
annulenylidenes
anode
anodic transfer coefficient
anomeric effect
anomers
ansa compounds
antagonism
antagonist
antarafacial
anthelmint(h)ic
anthocyanidins
anthocyanins
anti
antiaromatic compounds
antibiotic
antibody
anticholinergic
anticircular elution (anticircular development)
in planar chromatography
anticlinal
anticlined structures
in polymers
anticodon
anti-Compton γ-ray spectrometer
anticyclone
in atmospheric chemistry
antiferroelectric transition
antiferromagnetic transition
antigen
anti-Hammond effect
antihelminth
anti-Markownikoff addition
antimetabolite
antimony–xenon lamp (arc)
antimycotic
antiparticle
antiperiplanar
antipodes
antiprismo-
antiresistant
antiserum
anti-Stokes shift
anti-Stokes type radiation (fluorescence)
anti-thixotropy
ap
apex
apex current
apex potential
aphicide
apical (basal, equatorial)
apo-
in carotenoid nomenclature
apoenzyme
apoprotein
apoptosis
apparent (quantity)
apparent lifetime
apparent viscosity
of a liquid
appearance energy (appearance potential)
appearance potential
appearance temperature,
in electrothermal atomization
applied potential
aprotic (solvent)
aquation
arachno-
Archibald's method
area
of an electrode-solution interface
area of interface
area viscosity
areic
arene epoxides
arene oxides
arenes
arenium ions
arenols
arenonium ions
argon ion laser
arithmetic mean (average)
aromatic
aromaticity
arrester
in atmospheric chemistry
Arrhenius
factor
Arrhenius energy of activation
Arrhenius equation
arsanes
arsanylidenes
arsanylium ions
arsenides
arsine oxides
arsines
arsinic acids
arsinidenes
arsinous acids
arsonic acids
arsonium compounds
arsonous acids
arsoranes
artificial graphite
artificial neural networks
artificial radioactivity
aryl cations
arylene groups
aryl groups
aryne
ascending elution (ascending development)
in planar chromatography
ash
in atmospheric chemistry
ashing
in analysis
aspirator
assay
assay kit
association
association reaction (associative combination)
in mass spectrometry
associative desorption
associative ionization
in mass spectrometry
associative surface reaction
asym-
asymmetric
asymmetric carbon atom
asymmetric centre
asymmetric destruction
asymmetric film
asymmetric induction
asymmetric membrane
asymmetric synthesis
asymmetric transformation
asymmetry
asymmetry potential
of a glass electrode
atactic macromolecule
atactic polymer
atmosphere
unit
atmosphere
of the earth
atmospheric pressure ionization
in mass spectrometry
atom
atomic fluorescence
atomic laser
atomic mass
quantity
atomic mass constant
constant
atomic mass unit
atomic number (proton number),
quantity
atomic orbital,
,
,
atomic ring-sector
atomic spectral lines
atomic symbol
atomic units
atomic weight
atomization
in analytical flame spectroscopy
atomization surface temperature,
in electrothermal atomization
atomize
atomizer
in analytical flame spectroscopy
atom–molecule complex mechanism
atropisomers
attachment
attenuance,
quantity
attenuance filter
attenuation
attenuation coefficient
atto
SI unit prefix
attractive–mixed–repulsive (
AMR
) classification
attractive potential-energy surface
attributable risk
Auger effect
Auger electron
Auger electron spectroscopy
Auger electron yield
Auger yield
autacoid
autocatalytic reaction
auto-ionization
in mass spectrometry
automation
in analysis
automerization
autophobicity
autopoisoning
in catalysis
autoprotolysis
autoprotolysis constant
autoradiograph
autoradiolysis
auxiliary electrode
auxochrome
auxotrophy
avalanche photodiode
average current density
average degree of polymerization
average life
in nuclear chemistry
average rate of flow
in polarography
Avogadro constant
constant
avoided crossing
of potential-energy surfaces
Avrami equation
axial (equatorial)
axial chirality
axialite
in polymer crystals
axis of chirality
axis of helicity
azacarbenes
azamines
azanes
azenes
azides
azimines
azines
azinic acids
azlactones
azo compounds
azo imides
azomethine imides
azomethine oxides
azomethines
azomethine ylides
azonic acids
azoxy compounds
azo ylides
azylenes