Table 2: Conditions for arsenic adsorption tests.

SamplesInitial concentration (mg/L)Initial temperature Initial pHIntensity current (amperes)Voltage (volts)Time (min)

11202.860.498.55
22203.020.52125
35202.900.44105
47203.050.4112.85
513202.900.4810.75
620203.020.510.255
730204.170.756.685