> as lemmas

1895 G. M'Gowan tr. W. Ostwald Sci. Found. Analyt. Chem. ii. 16 Several things have to be taken into account in considering the theory of washing precipitates, the most important of these being the adsorption phenomena.

1920 C. F. Cross & E. J. Bevan Text-bk. Paper-making (ed. 5) i. 65 The lignocelluloses are adsorption compounds of lignones and cellulose.

1936 S. Glasstone Recent Adv. Gen. Chem. iii. 129 High-temperature heterogeneous conversion... The reaction proceeds in the adsorption layer.

1954 T. Vickerstaff Physical Chem. Dyeing (ed. 2) ix. 300 Distinguishing between the formation of a solid solution of dye in the fibre, when the equilibrium was expected to conform with Henry's law,..and an adsorption process, in which case obedience to the Freundlich equation was anticipated.

1993 New Scientist 11 Dec. 40/1 One major determining factor is the number of adsorption sites per unit of surface area.

2001 R. W. Cahn Coming of Materials Sci. ii. 42 The study of colloids accelerated rapidly..and much attention was focused on the properties of interfaces, adsorption behaviour in particular.