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.
Water Sector Talent Exodus Could Cripple The Sector
Maybe if things are essential for the running of a country and we want to pay a fair price we should be running these utilities on a not for profit...