Advances in Polymer Technology / 2021 / Article / Tab 3

Research Article

Poly(1,5-Diaminonaphthalene)-Modified Screen-Printed Device for Electrochemical Lead Ion Sensing

Table 3

Determination of Pb2+ in different tap water samples (mean of three determinations).

SampleOriginal (μg·L−1)Add (μg·L−1)Found (μg·L−1)Recovery (%)

Tap water 1Not detected2.01.9894.5
Tap water 2Not detected3.03.02100.7
Tap water 3Not detected4.04.05101.2