Research Article
Amino-Functionalization of Multiwall Carbon Nanotubes and Its Use for Solid Phase Extraction of Mercury Ions from Fish Sample
Table 4
Determination of Hg2+ in real samples.
| | Sample | Added Hg2+ (ng/mL) | Found Hg2+ (ng/mL) | RSD (%) |
| | Tap water (Karaj) | 0 | 0.08 | 2.14 | | 0.25 | 0.32 | 3.32 | | 0.5 | 0.58 | 2.28 | | 0.75 | 0.84 | 2.42 | | 1 | 1.13 | 3.34 |
| | Seawater (Khazar) | 0 | 0.06 | 3.76 | | 0.25 | 0.28 | 3.45 | | 0.5 | 0.62 | 2.76 | | 0.75 | 0.86 | 4.32 | | 1 | 1.07 | 5.12 |
| | Fish | 0 | 4.12 (µg/g fish sample) | 4.81 |
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Condition: the measurement is performed at optimum effective parameters and p.f. = 40.
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