Precursor Ion
Definition
An ion selected or otherwise associated with a subsequent reaction or fragmentation stage.
Related terms
- Cycle Time
- The time for a repeated acquisition sequence, including measurements and overhead.
- Dwell Time
- The period between an attacker gaining initial access and their detection. Reducing dwell time is a primary goal of threat hunting. The...
- Ion Ratio
- A defined comparison of ion responses, requiring a stated convention and method-specific assessment.
- MRM
- Multiple Reaction Monitoring. LC-MS-MS or GC-MS-MS mode that follows specific precursor-to-product ion transitions for each target analyte, giving very high selectivity at...
- Product Ion
- An ion formed through a process involving a precursor ion.