The Preparation of Boric Acid Anhydride and Its Efficiency as a Drying Agent

Aluminium–ligand cooperation promotes selective dehydrogenation of formic acid to H2 and CO2

“…18,32 Anhydrous formic acid was puried by drying over boric anhydride followed by fractional distillation. 33 LiAlD 4 was purchased from sigma Aldrich and used without further purication. All other reagents were purchased from commercial vendors and used without further purication.…”

Thermal expansion studies of boric oxide glass and of crystalline boric oxide

“…Since anhydrous boric oxide is classified as a dehydrating agent [9], it seemed probable that the irregular negative expansion of the boric oxide glass in the vicinity of 150° C is the result of decomposition of boric acid formed on the surface of the specimens by the reaction of the boric oxide glass with atmospheric moisture. To establish definitely whether this negative expansion was associated with moisture, a series of expansion determinations was made on a set of specimens of the boric oxide glass which had remained in a desiccator over KOH for several weeks.…”