IUPAC Gold Book - Alphabetical index

A B C D E F G HIJ K L M N O P Q R S T U V W X Y Z all (6414 items)

IC
icosahedro-
icosanoids
ICT
ICT emission
ideal, non-linear chromatography
ideal adsorbed state
ideal chromatography
ideal dilute solution
ideal gas
ideal mixture
ideally polarized (electrified) interphase
ideally unpolarized (electrified) interphase
(chain) identity period of a polymer
identity reaction
illuminance, $E$ , $E v$ ^quantity
image converter tube
image dissection tube
imaging (photoimaging)
imbalance
imbibition in colloid chemistry
imenes
imides
imidic acids
imidines
imidogens
imidonium ions
imidoyl carbenes
imidoyl nitrenes
imin
imine radical
imines
iminium compounds
imino acids
imino carbenes
iminooxy (iminoxy) radicals
iminoxyl radicals
iminyl carbenes
iminyl radicals
iminylium ions
immersional wetting
immiscibility
immiscible polymer blend
immission dose in atmospheric chemistry
immission flux in atmospheric chemistry
immission in atmospheric chemistry
immission rate in atmospheric chemistry
immobile adsorption
immobilization by adsorption in catalysis
immobilization by inclusion in catalysis
immobilization in biotechnology
immobilized enzyme
immobilized phase in chromatography
immune response
immunization
immunoassay
immunochemistry
immunogen
immunoglobulin (Ig)
immunoradiometric assay
immunosuppression
impact parameter, $b$ ^quantity
impact-modified polymer
impaction
impedance, $Z$ ^quantity
impingement
impinger
imprecision in analysis
impregnation in chromatography
impregnation in polymer chemistry
improved canonical variational transition-state theory (ICVTST)
impulsive reaction
in situ micro-X-ray diffraction (Kossel-technique)
in situ microanalysis
in vitro
in vivo
in-laboratory processing in analytical chemistry
in-out isomerism
in-situ composite formation
inaccuracy in analysis
inch^unit
incidence in medicinal chemistry
incinerator
inclusion compound (inclusion complex)
incoherent radiation
incoherent scattering
incoherent structure
incongruent reaction
increment (for bulk materials and large units)
indicated hydrogen
indicator electrode
indicator reaction
indicator (visual)
indifferent absorbing ion
indifferent electrolyte
indirect amplification
indirect reaction
individual gauge for localized orbitals (IGLO)
individual isotherm in surface chemistry
individual particle analysis
individual perception threshold in atmospheric chemistry (IPT)
induced radioactivity
induced reaction
inducer in enzyme catalysis
induction in enzyme catalysis
induction period
inductive effect
inductomeric effect
inductor
inelastic collision
inelastic scattering
inert
inert gas
inertial defect
inertial separator
infinite source thickness
information theory
infrared
inherent viscosity of a polymer
inhibition
inhibitor
inhibitory concentration ( $IC$ )^quantity
inhibitory dose ( $ID$ )^quantity
inhomogeneity error in spectrochemical analysis
initial energy in in situ microanalysis
initial (final) state correlations
initial rate method
initiation
initiator
injection temperature in chromatography
inner electric potential, $ϕ$ ^quantity
inner filter effect
inner Helmholtz plane (IHP)
inner layer (compact layer) in electrochemistry
inner orbital X-ray emission spectra
inner salts
inner-sphere electron transfer
inoculation
inorganic polymer
inorganic–organic polymer (IOP)
inositols
input rate in analysis
insert in biotechnology
insertion
insertion reaction
instability of Hartree–Fock solution
instability (with reference to instrumentation)
instantaneous current
instantaneous rate of flow in polarography
instantaneous (spot) sampling in atmospheric chemistry
instrumental activation analysis
instrumental dependability
instrumental indication (for a precision balance)
integral capacitance of an electrode^quantity
integral detector in chromatography
integrating sphere
intended crossing of potential-energy surfaces
intensity
intensity^quantity
intensity (relative to base peak) in mass spectrometry
intensive quantity
inter-junction molar mass^quantity
interaction distance
intercalation compounds
intercalation in polymer chemistry
intercalation reaction
interchange reaction
interchromophoric radiationless transition
interconal region
interconvertible enzyme
interface
interfacial adhesion
interfacial concentration, $c$ in electrochemistry
interfacial double-layer
interfacial layer
interfacial layer width, $σ S$ in thin films
interfacial region
interfacial tension
interference filter
interference in analysis
interfering lines
interfering substance in electroanalytical chemistry
interferometer
interferons
intermediate
intermediate neutrons
intermolecular
intermolecular radiationless transition
internal absorptance, $α i$ ^quantity
internal compensation
internal conversion
internal energy, $U$ ^quantity
internal filling solution of a glass electrode
internal reference electrode
internal return
internal standard in chromatography
internal surface
internal transmittance^quantity
internal valence force field (IVFF)
international calorie
International system of units
international unit
interparticle porosity, $ɛ$ in chromatography^quantity
interparticle volume of the column, $V 0$ in chromatography^quantity
interpenetrating polymer network (IPN)
interphase
interphase transition
intersection space
interstitial fraction in chromatography
interstitial velocity in chromatography
interstitial volume in gas chromatography
intersystem crossing
interval analysis
intervalence charge transfer
interzonal region
intimate ion pair
intra- in organic reaction mechanisms
intrachromophoric radiationless transition
intramolecular
intramolecular catalysis
intramolecular charge transfer, (ICT)
intramolecular isotope effect
intraphase transition
intrinsic activation energy, $E a,i$ ^quantity
intrinsic barrier
intrinsic detector efficiency
intrinsic full energy peak efficiency
intrinsic photopeak efficiency
intrinsic reaction coordinate
intrinsic viscosity of a polymer
intrinsically conducting polymer
intron
inverse isotope effect
inverse kinetic isotope effect
inverse micelle
inverse square law in radiation chemistry
inversion
inversion height in atmospheric chemistry
inversion point in phase transitions
inverted micelle
inverted region (for electron transfer)
iodohydrins
iodometric titration
iodonium ions
ion
ion collector in mass spectrometry
ion cyclotron resonance (ICR) mass spectrometer
ion energy loss spectra in mass spectrometry
ion exchange
ion exchanger
ion kinetic energy spectrum in mass spectrometry
ion laser
ion microscopy
ion pair
ion pair return
ion probe microanalysis (IPMA)
ion pumps
ion radical
ion scattering spectrometry (ISS)
ion source in mass spectrometry
ion trap mass spectrometer
ion-containing polymer
ion-exchange chromatography
ion-exchange isotherm
ion-exchange membrane
ion-exchange polymer
ion-free layer
ion-pair formation in mass spectrometry
ion-selective electrode cell
ion-selective electrode (ISE)
ion/molecule reaction in mass spectrometry
ion/neutral species exchange reaction in mass spectrometry
ion/neutral species reaction in mass spectrometry
ionene
ionic aggregates in an ionomer
ionic bond
ionic concentration
ionic conductivity^quantity
ionic copolymerization
ionic dissociation in mass spectrometry
ionic polymer
ionic polymerization
ionic spectral lines
ionic strength, $I$ ^quantity
ionic transport number, $t$ ^quantity
ionization
ionization buffer in flame spectroscopy
ionization by sputtering
ionization chamber
ionization cross-section
ionization efficiency
ionization efficiency curve in mass spectrometry
ionization energy, $E i$ ^quantity
ionization potential
ionizing collision in mass spectrometry
ionizing power
ionizing radiation
ionizing voltage
ionogenic groups
ionomer
ionomer cluster
ionomer molecule
ionomer multiplet
ionophore
IOP
IPN
ipso-attack
IPT
iridescent layers
iridoids
iron-sulfur cluster
iron-sulfur proteins
irradiance (at a point of a surface), $E$ ^quantity
irradiation
irregular macromolecule
irregular polymer
irreversible transition
ISC
isoabsorption point
isobar in atmospheric chemistry
isobaric mass-change determination
isobaric separation
isobars
isoclined structures in polymers
isoclinic point
isoconfertic separation
isoconjugate systems
isocoumarins
isocratic analysis in chromatography
isocyanates
isocyanides
isocyclic compounds
isodesmic reaction
isodiazenes
isoelectric
isoelectric point in electrophoresis
isoelectronic
isoemissive point
isoentropic
isoenzyme
isoequilibrium relationship
isoflavonoids
isogyric reaction
isoionic
isoionic point in electrophoresis
isokinetic line in atmospheric chemistry
isokinetic relationship
isokinetic sampling in atmospheric chemistry
isolampsic point
isolated double bonds
isolobal
isomer
isomer shift in Mössbauer spectroscopy
isomerases
isomeric
isomeric state in nuclear chemistry
isomeric transition in nuclear chemistry
isomerism
isomerization
isometric
isomorphic polymer blend
isomorphous structures in polymers
isonitriles
isonitroso compounds
isooptoacoustic point
isopeptide bond
isopotential point
isoprenes
isoprenoids
isopycnic
isopycnic separation
isorefractive
isosbestic point
isoselective relationship
isoselenocyanates
isostatic pressing
isosteric enthalpy of adsorption
isostilbic point
isostructural reaction
isotactic macromolecule
isotactic polymer
isotactic triads in polymers
isotherm in atmospheric chemistry
isothermal chromatography
isothiocyanates
isotones
isotope dilution
isotope dilution analysis
isotope effect
isotope exchange
isotope exchange analysis
isotope pattern in mass spectrometry
isotopes
isotopic abundance
isotopic carrier
isotopic enrichment
isotopic enrichment factor
isotopic fractionation factor
isotopic ion
isotopic labelling
isotopic molecular ion
isotopic scrambling
isotopic separation
isotopic tracer
isotopically deficient
isotopically enriched ions
isotopically labelled
isotopically modified
isotopically substituted
isotopically unmodified
isotopologue
isotopomer
isotropic
isotropic carbon
isotropic pitch-based carbon fibres
isoureas
isovalent hyperconjugation
isozyme
IVFF