| Actual
concentration
(μg/mL)
|
Intra-day
|
Inter-day
|
|
|
|
|
Measured concentration
|
± S.D.,
|
R.S.D. (%)
|
| Measured concentration
|
± S.D.,
|
R.S.D. (%)
|
| 20
|
20.157
|
0.201
|
0.999
|
20.080
|
0.130
|
0.647
|
| 40
|
40.150
|
0.339
|
0.844
|
39.873
|
0.202
|
0.508
|
| 60
|
59.997
|
0.274
|
0.457
|
59.886
|
0.188
|
0.314
|
S.D.= Standard deviation.
R.S.D.=Relative standard deviation
n = no. of replicates
|
