Retention (%) of 0.198 μm Spheres by Various 0.2 μm Rated Membranes
| Filter Type | In Water | In 0.05% Triton X-100 |
|---|---|---|
| Polycarbonate | 100.0 | 100.0 |
| Asymmetric polysulfone | 100.0 | 100.0 |
| Polyvinylidene fluoride | 74.8 | 19.2 |
| Nylon 66 | 82.1 | 1.0 |
| Cellulose esters | 89.4 | 25.1 |
From Tolliver and Schroeder (1983) courtesy of Microcontamination (16).