Table 3.
The recovery detection of methyl-paraoxon using CeO2 nanozyme-modified GCE in Chinese medicinal material samples.
| Sample | Spiked (μmol/L) | Detected (μmol/L) | Recovery |
|
|---|---|---|---|---|
| Mean ± SD (%)a | RSD (%, n=3) | |||
| Semen nelumbinis | 0.10 | 0.097 | 97.11 ± 3.22 | 3.31 |
| 0.50 | 0.511 | 102.25 ± 6.30 | 6.16 | |
| 3.00 | 2.786 | 92.87 ± 3.18 | 3.43 | |
| Coix lacryma-jobi | 0.10 | 0.105 | 105.13 ± 4.19 | 3.98 |
| 0.50 | 0.446 | 89.25 ± 2.21 | 5.48 | |
| 3.00 | 3.337 | 111.23 ± 7.64 | 6.87 | |
| Adenophora stricta | 0.10 | 0.117 | 116.84 ± 1.42 | 7.21 |
| 0.50 | 0.469 | 93.72 ± 9.21 | 9.82 | |
| 3.00 | 2.427 | 80.91 ± 4.86 | 6.00 | |
a
Standard deviation of three determinations.