| Inter-day Intra-day |
|
| |
| Confidence
limitb |
Accuracy
Er% |
Precision
RSD% |
Recovery
% |
Confidence
limitb |
Accuracy
Er% |
Precision
RSD% |
Recovery
%a |
Added
µgm L-1 |
| |
|
|
|
|
|
|
|
|
|
| 4.89 ± 0.14 |
- 2.20 |
2.66 |
97.80 |
4.98 ± 0.15 |
- 0.40 |
2.81 |
99.60 |
5 |
RK |
| 9.89 ± 0.20 |
- 1.10 |
1.92 |
98.90 |
9.97 ± 0.17 |
- 0.30 |
1.6 |
99.70 |
10 |
| 14.90 ± 0.17 |
- 0.77 |
1.08 |
99.23 |
14.81± 0.13 |
- 1.30 |
0.81 |
98.70 |
15 |
| 19.30 ± 0.19 |
- 0.92 |
1.09 |
99.08 |
19.8 ± 0.20 |
- 0.79 |
0.96 |
99.21 |
20 |
| 19.90 ± 0.22 |
- 0.70 |
0.91 |
99.30 |
19.8 ± 0.16 |
- 1.00 |
0.76 |
99.00 |
20 |
CLPH |
| 39.70 ± 0.16 |
- 0.70 |
0.38 |
99.29 |
39.7 ± 0.13 |
- 0.70 |
0.30 |
99.30 |
40 |
| 59.27 ± 0.1 |
- 1.21 |
0.15 |
98.79 |
59.5 ± 0.10 |
- 0.80 |
0.17 |
99.20 |
60 |
| 79.40 ± 0.14 |
- 0.80 |
0.16 |
99.20 |
79.10 ± 0.18 |
- 1.08 |
0.21 |
98.92 |
80 |
| 9.88 ± 0.23 |
- 1.24 |
2.23 |
98.76 |
9. 96 ± 0.12 |
- 0.39 |
1.1 |
99.61 |
10 |
PA |
| 19.60 ± 0.17 |
- 2.01 |
0.82 |
97.99 |
19.90 ± 0.19 |
- 0.69 |
0.91 |
99.31 |
20 |
| 29.70 ± 0.16 |
-0.87 |
0.50 |
99.13 |
29.70 ± 0.14 |
- 0.89 |
0.44 |
99.11 |
30 |
| 39.70 ± 0.15 |
- 0.73 |
0.35 |
99.27 |
39.80 ± 0.13 |
- 0.62 |
0.30 |
99.38 |
40 |
| 14.80 ± 0.24 |
- 1.22 |
1.55 |
98.78 |
4.98 ± 0.15 |
- 0.79 |
1.41 |
99.21 |
15 |
AR |
| 29.60 ± 0.18 |
-1.38 |
0.57 |
98.62 |
4.98 ± 0.15 |
- 1.03 |
0.47 |
98.97 |
30 |
| 44.60 ± 0.17 |
- 1.00 |
0.36 |
99.00 |
4.98 ± 0.15 |
-0.90 |
0.25 |
99.10 |
45 |
| 59.64 ± 0.20 |
-0.60 |
0.32 |
99.40 |
4.98 ± 0.15 |
- 0.68 |
0.25 |
99.32 |
60 |
n-number of determination, R.S.D. %, percentage relative standard deviation, Er%, percentage error.
a mean of five determination
b confidence limit at 95% confidence level and five degrees of freedom |