Chemical Thermodynamics of Tin - Volume 12 - OECD Nuclear ...

II.1 Symbols, terminology and nomenclature 11
II.1.2
Symbols and terminology
The symbols for physical and chemical quantities used in the TDB review follow the
recommendations of the International Union of Pure and Applied Chemistry, IUPAC
[1979WHI], [1993MIL/CVI], [2008COH/CVI]. They are summarised in Table II-2.
Table II-2: Symbols and terminology.
Symbols and terminology
length
height
radius
diameter
volume
mass
relative atomic mass
molar mass
density (mass divided by volume)
molar surface area
time
frequency
wavelength
internal transmittance (transmittance of the medium itself, disregarding boundary or
container influence)
internal transmission density, (decadic absorbance): log 10 (1/T i )
molar (decadic) absorption coefficient: A / cl
B
relaxation time
Avogadro constant
relative molecular mass of a substance (a)
thermodynamic temperature, absolute temperature
Celsius temperature
(molar) gas constant
Boltzmann constant
Faraday constant
(molar) entropy
(molar) heat capacity at constant pressure C
p,m
(molar) enthalpy
H
m
(molar) Gibbs energy
G
m
chemical potential of substance B
μ
B
pressure
p
partial pressure of substance B: x B p
fugacity of substance B
l
h
r
d
V
m
A r
M
ρ
A
t
ν
λ
T
A
ε
τ
N A
M r
T
t
R
k B
F
S m
p B
f B
(Continued next page)
CHEMICAL THERMODYNAMICS OF TIN, ISBN 978-92-64-99206-1, © OECD 2012