Cellulose model surface

The invention relates to an isotropic cellulose film deposited on an inorg. support layer. The invention also relates to a process for manufg. such cellulose films as well as an anal. cell comprising such deposited films. The cellulose film is particularly useful to study the interactions or performances of various chems. with a cellulose surface, e.g., detergent on cotton. [on SciFinder (R)]