Arsenic Removal from Natural Groundwater by Electrocoagulation Using Response Surface Methodology

Table 1

Composition of the experimental groundwater.

Characteristics	Value
pH	7.98±0.15
Conductivity (20°C)	1014 (µS cm^−1)
As (total)	133.00 𝜇g L^−1
As (V)	122.49 𝜇g L^−1
As (III)	10.51 𝜇g L^−1
Fe	<0.02 mg L^−1
SiO2	71.62 mg L^−1
SO4^2−	58.41 mg L^−1
Hg	<0.005 mg L^−1