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Detection of MTO in water and fruit samples at Sr@La2S3 catalyst modified electrode.
| sample | Added (nM) | Found (nM) | Recovery (%) | RSD/±% (n = 3) |
|---|---|---|---|---|
| Industrial water | 0 | 0 | – | – |
| 200 | 198.5 | 99.25 | 0.94 | |
| 500 | 496.2 | 99.24 | 0.59 | |
| River water | 0 | 0 | – | – |
| 200 | 197.9 | 98.95 | 1.02 | |
| 500 | 497.2 | 99.44 | 0.91 | |
| Fruit extract (grape) | 0 | 0 | – | – |
| 200 | 198.8 | 99.4 | 0.84 | |
| 500 | 498.1 | 99.62 | 0.69 |
