| Analyte |
| |
Low concentration |
| Std solution |
Unextracted |
Extracted |
| 11900 |
9470 |
3530 |
| 11700 |
9470 |
3540 |
| 11500 |
10000 |
3220 |
| 12000 |
8180 |
3570 |
| 11100 |
8750 |
3650 |
| Mean |
11640 |
9174 |
3502 |
| CV (%) |
3.1 |
7.8 |
4.7 |
| Recovery |
38.2 |
| Matrix Effect |
-21.2 |
| |
Medium concentration |
| Std solution |
Unextracted |
Extracted |
| 68800 |
44800 |
16400 |
| 66700 |
41700 |
16400 |
| 73300 |
43800 |
16300 |
| 66900 |
42000 |
16000 |
| 86600 |
44000 |
16100 |
| Mean |
72460 |
43260 |
16240 |
| CV (%) |
11.5 |
3.1 |
1.1 |
| Recovery |
37.5 |
| Matrix Effect |
-40.3 |
| |
High concentration |
| Std solution |
Unextracted |
Extracted |
| 289000 |
180000 |
60600 |
| 289000 |
178000 |
60400 |
| 268000 |
176000 |
58200 |
| 289000 |
177000 |
59300 |
| 337000 |
172000 |
57000 |
| Mean |
294400 |
176600 |
59100 |
| CV (%) |
8.7 |
1.7 |
2.6 |
| Recovery |
33.5 |
| Mattrix Effect |
-40.0 |
|
