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Determination of Cr(III) and Cr(VI) in spiked water samples
| Added, ng⋅mL−1 | Found, ng⋅mL−1 | Recovery, % | |||
|---|---|---|---|---|---|
| Cr(III) | Cr(VI) | Cr(III) | Cr(VI) | Cr(III) | Cr(VI) |
| 0 | 0 | ˂ LOD | ˂ LOD | ||
| 0 | 10 | ˂ LOD | 9.87 ± 0.016 | 98.7 | |
| 10 | 0 | 9.25 ± 0.020 | ˂ LOD | 92.5 | |
| 10 | 10 | 9.30 ± 0.044 | 9.48 ± 0.018 | 93.0 | 94.8 |
