USP |
EP |
JP | Definition | Column name in injection results | Field used in reporting |
---|---|---|---|---|---|
Symmetry factor or tailing factor | Symmetry factor | Symmetry factor |
|
Tailing |
Peak_TailFactor |
Separation Factor |
- |
Separation Factor |
|
Selectivity |
Peak_Selectivity |
Relative retention |
Relative retention |
- |
With RRT compounds:
| RRT EP | Peak_RelativeRetTime_EP |
Relative retention time (RRT) | Unadjusted relative retention | Unadjusted relative retention | With RRT compounds
|
RRT |
Peak_RelativeRetTime |
USP 2022: Resolution |
Resolution |
Resolution |
|
Resol.USP 2022 Resol.EP Resol.JP |
Peak_Resolution_EP Peak_Resolution_JP |
USP: Resolution |
- |
- |
|
Resol.USP |
Peak_Resolution_USP |
Number of theoretical plates (Efficiency) | - |
- |
|
Plates USP |
Peak_TheoreticalPlates_USP |
USP 2022: Plate number (Efficiency)” | Plate number (Efficiency) |
Plate number (Efficiency) |
|
Plates EP Plates JP Plates USP 2022 | Peak_TheoreticalPlates_EP Peak_TheoreticalPlates_JP |
S/N ratio |
S/N ratio | S/N ratio | With P2P or ASTM noise calculation:
With 6SD or RMS noise calculation:
|
S/N |
Peak_SignalToNoise |
Peak-to-valley ratio |
Peak-to-valley ratio |
Peak-to-valley ratio |
| p/v ratio | Peak_PeakValleyRatio |