Guard column
A short disposable column before the analytical column, protecting it from particulates and strongly retained matrix. Shifts retention slightly and must be accounted for.
Where this term appears
The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.
- Assay report records — the term appears in result tables, peak tables and provenance blocks
- Method references — where the measurement behind the term is defined
- All 8 glossary terms beginning with G