Background and procedure for supercritically drying gels with liquid carbon dioxide (the Hunt Process).
How to perform supercritical and subcritical drying of gels to make aerogels.
Supercritical Drying with Liquid Carbon Dioxide Part 2 of 2
Illustrated step-by-step process for supercritically drying aerogels with carbon dioxide. Read Part 1 of 2 first.