High silica content versus high purity
Specify SiO₂ and limits for Fe₂O₃, Al₂O₃, TiO₂, alkalis or other elements for your process. Lot values require analysis.
The OPR silica journal
Guidance to select, test and source silica.
Iron and particle size: two key criteria
Combine suitable chemistry and, where useful, XRD phase identification. Define analytes, detection limits, dry basis and units.
Prepare a silica specification for OPR
Provide sample mass, required analyses and acceptance protocol. Confirm cost, availability and shipment before dispatch.