IUPAC recommends characterization of zeolites to be performed using argon gas at 87 K. The advantages of argon over nitrogen are discussed. Examples of Ar isotherms for various zeolites are shown. Finally, the characterization of mesoporous zeolites (hierarchical materials) using Ar adsorption is discussed.
Damage control: How repairability could help address the e-waste crisis
I was the youngest of the family so was brought up to at least attempt a repair before disposal, particularly with regards my bicycle. Several years...