Number of adsorbed molecules on a surface divided by the number of molecules in a filled @M04015@ on that surface.
Green Book, 2nd ed., p. 63 [Terms
PAC, 1979, 51, 2243. (General Aspects of Trace Analytical Methods—IV. Recommendations for Nomenclature, Standard Procedures and Reporting of Experimental Data for Surface Analysis Techniques
) on page 2247 [Terms