IUPAC Gold Book - Quantities

Quantities

A B C D E F G HIJK L M N O P Q R S TUV WXYZ

quantity	symbol	referenced in	equation
illuminance, $E$ , $E v$	$Math - math$	illuminance, $E$ , $E v$	$E$
	$Math - math$	illuminance, $E$ , $E v$	$E v$
impact parameter, $b$	$Math - math$	impact parameter, $b$	$b$
impedance, $Z$	$Math - math$	impedance, $Z$	$Z$
inhibitory concentration ( $IC$ )	$Math - math$	inhibitory concentration ( $IC$ )	$IC$
inhibitory dose ( $ID$ )	$Math - math$	inhibitory dose ( $ID$ )	$ID$
inner electric potential, $ϕ$	$Math - math$	inner electric potential, $ϕ$	$ϕ$
integral capacitance of an electrode	$Math - apply$	integral capacitance of an electrode	$K = Q E − E Q = 0$
internal absorptance, $α i$	$Math - math$	internal absorptance, $α i$	$α i$
internal energy, $U$	$Math - math$	internal energy, $U$	$U$
interparticle porosity, $ɛ$ in chromatography	$Math - math$	interparticle porosity, $ɛ$ in chromatography	$ɛ$
		interparticle porosity, $ɛ$ in chromatography	$ɛ = V 0 V c$
interparticle volume of the column, $V 0$ in chromatography	$Math - math$	interparticle volume of the column, $V 0$ in chromatography	$V 0$
intrinsic activation energy, $E a,i$	$Math - math$	intrinsic activation energy, $E a,i$	$E a,i$
ionic conductivity	$Math - apply$	ionic conductivity	$λ = \| z B \| F u B$
ionic strength, $I$	$Math - math$	ionic strength, $I$	$I$
	$Math - apply$	ionic strength, $I$	$I m = 1 2 ∑ m B z B 2$
	$Math - apply$	ionic strength, $I$	$I c = 1 2 ∑ c B z B 2$
ionic transport number, $t$	$Math - math$	ionic transport number, $t$	$t$
ionization energy, $E i$	$Math - math$	ionization energy, $E i$	$E i$
irradiance (at a point of a surface), $E$	$Math - math$	fluence rate, $E o$	$E$
		irradiance (at a point of a surface), $E$	$E = d P d S$
		irradiance (at a point of a surface), $E$	$E = P S$
		irradiance (at a point of a surface), $E$	$E = ∫ 2 π L cos ⁡ θ ⁢ d Ω$
		irradiance (at a point of a surface), $E$	$E = ∫ λ E λ ⁢ d λ$
		radiant exposure, $H$	$E,$
		radiant exposure, $H$	$H = d Q / d S = ∫ t E ⁢ d t$
		radiant exposure, $H$	$H = E t$