Overview performance tests

Pharmacopeia values in OpenLab CDS

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