A method of purification of a solid mixture of a metal-organic framework (MOF) material and an unwanted second material by disposing the solid mixture in a liquid separation medium having a density that lies between those of the wanted MOF material and the unwanted material, whereby the solid mixture separates by density differences into a fraction of wanted MOF material and another fraction of unwanted material.
CONTRACTUAL ORIGIN OF THE INVENTION
This invention was made with government support under Grant No. DE-FG02-01ER15244 awarded by the Department of Energy and under Grant No. EEC-0647560 awarded by the National Science Foundation. The Government has certain rights in the invention.