Capturing an amorphous BaSO<sub>4</sub> intermediate precursor to barite
Cristina Ruiz‐Agudo, David P. McDonogh, Jonathan Avaro, David J. Schupp, Denis Gebauer
Abstract
In the work presented here, free-barium activity was monitored during the barium sulfate crystallization and we identified for the first time (in the absence of additives) a metastable BaSO<sub>4</sub> amorphous phase that precedes barite formation.
Topics & Concepts
CrystallizationMetastabilityAmorphous solidBariumMaterials sciencePhase (matter)Barium sulfateMineralogyWork (physics)SulfateCrystallographyChemical engineeringChemistryMetallurgyThermodynamicsOrganic chemistryPhysicsEngineeringCalcium Carbonate Crystallization and InhibitionHigh-pressure geophysics and materialsBuilding materials and conservation