Sample | Added | Concentration (mM) | R.S.D. (%) | Recovery (%) |
---|
1 | 5.3 | 5.35 | 1.6 | 101 |
2 | 8.7 | 8.51 | 2.3 | 98 |
3 | 0.4 | 0.38 | 1.1 | 97 |
4 | 1.1 | 1.13 | 1.4 | 103 |
- Sample 1–2: artificial serum, Sample 3–4: artificial saliva, RSD relative standard deviation for three independent measurements, Recovery: (detected /added ×100%)