Preferred Label : isosteric enthalpy of adsorption;
IUPAC definition : When the addition of the differential amount of component i dniσ or dnis is effected
at constant pressure p, the differential molar enthalpy of adsorption, Δ a H i σ or
Δ a H i s also called the isosteric enthalpy of adsorption (q st) is defined as: \[Δ
_{a}H_{i} {σ} -q {{st},σ} U_{i} {σ} - H_{i} {{g}}\] \[Δ _{a}H_{i} {{s}} -q {{st},σ}
H_{i} {σ} - H_{i} {{g}}\] where His ( Hs/ nis)T,p,m,njs and Hi g is the partial
molar enthalpy of component i in the gas phase, i.e. ( Hg/ nig)T,p,nig;
Origin ID : I03313;
See also
When the addition of the differential amount of component i dniσ or dnis is effected
at constant pressure p, the differential molar enthalpy of adsorption, Δ a H i σ or
Δ a H i s also called the isosteric enthalpy of adsorption (q st) is defined as: \[Δ
_{a}H_{i} {σ} -q {{st},σ} U_{i} {σ} - H_{i} {{g}}\] \[Δ _{a}H_{i} {{s}} -q {{st},σ}
H_{i} {σ} - H_{i} {{g}}\] where His ( Hs/ nis)T,p,m,njs and Hi g is the partial
molar enthalpy of component i in the gas phase, i.e. ( Hg/ nig)T,p,nig
