|
Impurity A
|
Impurity B
|
Impurity C
|
Impurity D
|
---|
Overall mean % recovery a
|
101.5
|
102.0
|
101.9
|
98.4
|
Intra-day precision (RSD)
|
1.55
|
1.23
|
0.88
|
1.32
|
Inter-day precision (RSD)
|
1.78
|
1.56
|
1.20
|
1.67
|
- aOverall mean % recovery of three different concentration level(1.5, 5.0, 7.5 μg/ml), (n = 9)