Electrospray ionisation (ESI)
Producing gas-phase ions from solution by applying a high potential to a fine spray. Multiply charges large molecules and is compatible with LC.
Related terms
- Adduct
- An ion formed by association with a cation other than a proton — sodium at +21.982, potassium at +37.956. Not an impurity; the same molecule with a different cation.
- Ion suppression
- Reduction in analyte ionisation caused by a co-eluting species or a mobile-phase additive. Trifluoroacetic acid is a strong suppressor.
see also Trifluoroacetic acid (TFA)
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 5 glossary terms beginning with E