surface excess concentration, \(\Gamma\)

https://doi.org/10.1351/goldbook.S06172
A quantity defined by \[\mathit{\Gamma }_{i}=\frac{n_{i}^{\sigma }}{A_{\text{s}}}\] where \(n_{i}^{\sigma }\) is the @S06171@ (or @A00155@) of component \(i\) and \(A_{\text{s}}\) is the area of the @D01823@ or @I03082@.
Sources:
Green Book, 2nd ed., p. 63 [Terms] [Book]
PAC, 1986, 58, 967. (Reporting data on adsorption from solution at the solid/solution interface (Recommendations 1986)) on page 970 [Terms] [Paper]