Indexes

Quantities

absolute activity absolute lethal concentration absolute lethal dose absorbance absorbed photon flux density absorbed radiant power density absorptance absorption cross-section acceleration of free fall acceleration acceptable daily intake acceptor number actinic flux activation energy activity in thermodynamics activity coefficient activity of a radioactive material affinity of reaction amount concentration amount fraction amount of substance angle angle of optical rotation angular frequency angular momentum atomic mass atomic number attenuance bandgap energy benchmark dose biochemical oxygen demand biological exposure index biological tolerance values for working materials bond-dissociation energy Brewster angle capacitance of a plate capacitor cathodic transfer coefficient ceiling value Celsius temperature centrifugal acceleration centrifugal force centrifugal radius characteristic mass for integrated absorbance in electrothermal atomization characteristic mass for peak absorption in electrothermal atomization characteristic mass in electrothermal atomization charge density charge number of a cell reaction charge number in general chemical flux chemical oxygen demand chemical potential chemical shift in NMR clearance coherence length in thin films collision cross-section collision density collision diameter collision efficiency collision frequency compression factor conductivity contact angle corrosion potential coulomb integral coupling constant critical excitation energy in in situ microanalysis critical micelle concentration critical pressure critical temperature current density decadic absorbance decay constant degeneracy degree of reaction density dielectric polarization differential capacitance diffusion coefficient dilution rate in biotechnology disintegration energy dissociation energy distribution ratio in liquid-liquid distribution dose equivalent doubling time in biotechnology driving force of a reaction dynamic viscosity efficiency of nebulization in flame spectrometry efficiency of a step electric charge electric coherence length in thin films electric conductance electric current density electric current electric dipole moment electric displacement electric field electric mobility electric polarizability electric potential electric resistance electro-osmotic hold-up time in capillary electromigration electro-osmotic mobility in capillary electromigration electrode current density electrode potential electrokinetic potential electromotive force electrophoretic mobility emission anisotropy emittance energy storage efficiency energy enrichment factor in liquid-liquid distribution enthalpy of activation enthalpy entropy of activation entropy extent of reaction extraction factor flow rate of a quantity flow resistance parameter in chromatography fluence rate fluence fluidity force fraction extracted frequency frequency in photochemistry friction factor frictional coefficient in polymer chemistry fugacity coefficient fugacity functionality of a monomer G value in nuclear chemistry gain of a photomultiplier generation time in biotechnology Gibbs energy Gibbs energy of activation Gibbs film elasticity heat capacity of activation heat capacity heat flux heat Helmholtz energy Huggins coefficient hydrolysis ratio illuminance impact parameter impedance inhibitory concentration inhibitory dose inner electric potential integral capacitance of an electrode internal absorptance internal energy interparticle porosity in chromatography interparticle volume of the column in chromatography intrinsic activation energy ionic conductivity ionic strength ionic transport number ionization energy irradiance at a point of a surface kinematic viscosity kinetic energy length level width lifetime of luminescence lifetime linear strain local efficiency of atomization in flame spectrometry local fraction atomized in flame emission and absorption spectrometry local fraction desolvated in flame emission and absorption spectrometry local fraction volatilized in flame emission and absorption spectrometry luminance luminous intensity magnetic field strength magnetic flux density magnetic flux magnetic moment magnetic susceptibility magnetic susceptibility magnetizability magnetogyric ratio mass concentration mass distribution ratio in micro-emulsion electrokinetic chromatography mass distribution ratio in micellar electrokinetic chromatography mass excess mass flow rate mass fraction mass number mass mean free path median effective concentration median effective dose median lethal concentration median lethal dose median lethal time median narcotic concentration median narcotic dose microscopic cross-section migration time in capillary electrophoresis migration time of micelles in micellar electrokinetic chromatography minimum consumption time in flame emission and absorption spectrometry minimum lethal concentration minimum lethal dose mobility in general mobility modulus of elasticity molality molar absorption coefficient molar refraction moment of a force moment of inertia momentum mutual inductance network-chain molar mass neutron number nominal linear flow in chromatography normal stress number concentration number density number flow rate number of entities order of reaction osmolality osmotic coefficient osmotic concentration osmotic pressure outer electric potential overpotential pair correlation length in thin films partial mass density partition constant partition ratio peak resolution in chromatography period permeability permittivity pH phase ratio in chromatography phase ratio in liquid-liquid distribution photon exitance photon exposure photon flow photon fluence rate photon fluence photon flux photon irradiance photon number photon radiance plate number in chromatography polarizability polarization in electrochemistry polarization potential energy power pre-exponential factor pressure productivity in biotechnology quantum yield radiance radiant flux radiant energy density radiant energy radiant exitance radiant exposure radiant intensity radiant power radiative lifetime rate of conversion rate of fluid consumption in flame emission and absorption spectrometry rate of reaction reactance reaction cross-section reduced mass reflectance refractive index relative atomic mass relative density relative molecular mass relative permeability relative permittivity relative retardation in planar chromatography relative retention in column chromatography residence time in biotechnology residual emission anisotropy resistance resistivity resolving power in optical spectroscopy response time of a radiation detector responsivity in detection of radiation retardation factor in column chromatography retardation factor in planar chromatography retention factor in column chromatography retention index in column chromatography RM value in planar chromatography rotational correlation time rotational frequency in centrifugation rotational relaxation time rotational term saturation fraction scattering angle sedimentation coefficient selectivity factor self inductance sensitivity in metrology and analytical chemistry separation factor in column chromatography separation factor in liquid-liquid distribution separation number in chromatography shear modulus shear strain shear stress shielding constant solid angle solvophobicity parameter specific activity in radiochemistry specific heat capacity specific volume spectral fluence rate spectral irradiance spectral photon exitance spectral photon flow spectral photon flux spectral photon radiance spectral radiance spectral radiant energy spectral radiant exitance spectral radiant intensity spectral radiant power spectral sensitivity specular reflectance in optical spectroscopy speed spin–orbit coupling constant stoichiometric number Stokes number substance fraction surface amount surface charge density surface concentration surface coverage surface density surface excess concentration surface excess surface tension symmetry number term thermal conductance thermal conductivity thermal resistance thermodynamic temperature threshold energy time constant of a detector time of centrifugation of centrifugation time torque total consumption time in flame emission and absorption spectrometry total velocity of the analyte in capillary electrophoresis transit time in flame emission and absorption spectrometry transition wavenumber transmittance transport number travel time in flame emission and absorption spectrometry turbidity in light scattering velocity vibrational term viscosity function volume flow rate volume fraction volume of activation volume strain wavelength wavenumber weight work yield in biotechnology