@@ -33,7 +33,7 @@ asses it to notice our users. We expect that these protective equipment lasts 3
## Filter Key Parameters to measure [[2](https://scientificfilters.com/wp-content/uploads/2016/03/BasicFiltrationConcepts.pdf)]
- Scanning Electron Microscope [SEM](https://en.wikipedia.org/wiki/Scanning_electron_microscope): This tests characterize the materials porosity. Target: < 0.1 um.
-**Update:** Camron did SEM imaging: [SEM](https://gitlab.cba.mit.edu/palomagr/wood-pulp-filter/-/blob/master/SEM.md)
-**Update:** Camron did [SEM](SEM.md) imaging.
- Particle Retention Rate: "In a filtration process, the particle retention efficiency of a depth-type filter is expressed in terms of the particle size (in µm) at which a retention
level of 98% of the total number of particles initially challenging the filter is
