Compound |
t
R
|
RRT
|
N
|
k
|
α
|
R
s
|
T
f
| RRF |
RSD
(area precision)
|
---|
FEX | 10.72 | - | 4940 | 6.2 | | | 1.000 | - | 0.40 |
| | | | | 1.15 | 2.3 | | | |
Impurity A | 11.99 | 1.12 | 5900 | 7.10 | | | 1.033 | 1.04 | 0.54 |
| | | | | 1.19 | 3.52 | | | |
Impurity B | 14.01 | 1.31 | 6210 | 8.47 | | | 1.123 | 0.91 | 0.65 |
| | | | | 1.20 | 4.39 | | | |
Impurity C | 16.53 | 1.81 | 8398 | 10.17 | | | 1.009 | 0.90 | 0.52 |
| | | | | 1.31 | 7.54 | | | |
Impurity D | 21.23 | 2.00 | 9500 | 13.34 | | | 1.189 | 0.91 | 0.66 |
- t
R
: Retention time in min.
- RRT: Relative retention time, of each impurity relative to FEX peak.
- K: Capacity factor. α: Selectivity, between each two successive peaks.
- R
s
:Resolution, between each two successive peaks. T
f
:Tailing factor.
- RRF: relative response factor of each impurity relative to FEX peak.
- RSD: relative standard deviation for area of five injections (instrument precision)