open film

Also contains definitions of: closed film, partly open film
A @F02366@ in which mass transfer can occur between the @F02366@ and the coexisting bulk phases, for all the components. The term partly open film applies to a @F02366@ in which mass transfer can occur only for certain components. The term closed film applies to those films with fixed mass.
PAC, 1994, 66, 1667. (Thin films including layers: terminology in relation to their preparation and characterization (IUPAC Recommendations 1994)) on page 1671 [Terms] [Paper]