Page 188 - Gas Adsorption Equilibria

174 Chapter 3

volume of permanent magnet fixed to a
magnetic suspension

void volume of a porous solid (sorbent)
measured by helium expansion experiments

1 mass concentration of component i = 1 . . .N
in a sorptive gas mixture in adsorption
equilibrium

1 mass concentration of component i = 1 . . .N
in a sorptive gas mixture supplied to an
instrument prior to adsorption

1 molar concentration of component i = 1 . . .N
in a sorptive gas mixture in adsorption
equilibrium

1 compressibility of a gas (real gas factor)

density of a sorptive gas

dispersion, variance or mean statistical
deviation (MSD) of a measurable quantity
(x)
dispersion, variance or mean statistical
deviation (MSD) of the Gibbs excess mass
of an adsorbate

reduced mass of an adsorbate

reduced mass of an adsorbed phase
measured gravimetrically; also
microbalance signal, eqs. (3.6, 3.10, 3.30)