Table 2 Detection of Ag+ in actual water samples
From: Ag+ colorimetric sensor based on graphene oxide/nano-platinum composite
Type of water sample | Sample No | Dosage (μM) | Measured quantity (μM) | Recovery rate (%) |
|---|---|---|---|---|
Tap water | 1 | 1 | 1.02 ± 0.02 | 102.20 ± 1.87 |
2 | 10 | 10.46 ± 0.48 | 104.57 ± 4.82 | |
3 | 100 | 101.77 ± 4.31 | 101.77 ± 4.31 | |
4 | 500 | 493.63 ± 18.82 | 98.73 ± 3.76 | |
Pond water | 1 | 1 | 0.99 ± 0.05 | 99.32 ± 4.58 |
2 | 10 | 9.90 ± 0.12 | 98.98 ± 1.19 | |
3 | 100 | 102.27 ± 4.30 | 102.27 ± 4.30 | |
4 | 500 | 493.70 ± 20.75 | 98.74 ± 4.15 | |
River water | 1 | 1 | 0.99 ± 0.04 | 98.81 ± 3.86 |
2 | 10 | 9.66 ± 0.24 | 96.61 ± 2.40 | |
3 | 100 | 103.28 ± 4.37 | 103.28 ± 4.37 | |
4 | 500 | 482.30 ± 31.21 | 96.46 ± 6.24 |