Research Article

Possible Monitoring and Removal of As(III) by an Integrated System of Electrochemical Sensor and Nanocomposite Materials

Table 1

Adsorption behavior of MNPs and PAni/MNPs after 20 minutes. The analysis results obtained by developed ASV sensing system and AAS.

AdsorbentRemained As conc. by ASV (mg/l)Remained As conc. by AAS (mg/l)Difference
pH = 2pH = 5pH = 2pH = 5

MNPs0.0940.0250.0910.0283.2–10.7%
5% PAni0.0850.0100.0820.0093.6–10.0%
10% PAni0.0740.0120.0760.0131.3–7.6%
15% PAni0.0660.0190.0710.0224.6–13.6%

ASV measurement by developed sensor; using AAS method for confirmation.