Reaction of Zirconium Fluoride Monohydrate and Ammonium Bifluoride: Its Effect on Fluoride Glass Preparation and Quality

Abstract
The products obtained from the roomtemperature reaction of ammonium bifluoride and zirconium fluoride monohydrate are ammonium heptafluorozirconate ((NH4)3ZrF2), liquid water, and hydrogen fluoride. Ammonium bifluoride and zirconium fluoride monohydrate were reacted prior to glass batching, producing dry ammonium heptafluorozirconate which was used to prepare a high‐quality ZBLAN fluoride glass.