Research Article

Development of Potentiometric Phenol Sensors by Nata de Coco Membrane on Screen-Printed Carbon Electrode

Table 3

Phenol concentration in river water sample and the recovery percentage.

SolutionPhenol concentration (μM)Recovery (%)

Sample1.60 ± 0.04
Sample + 4 μM phenol standard5.34 ± 0.0493.50 ± 0.75
Sample + 8 μM phenol standard9.06 ± 0.0493.25 ± 0.44