Transpor Cd(II) Menggunakan Membran Cair Minyak Jagung Dengan Teknik Membran Cair Fasa Ruah
DOI:
https://doi.org/10.25077/jku.12.1.14-18.2023Keywords:
Ion Cd(II); EDTA; Corn Oil; Bulk Liquid MembraneAbstract
The transport of Cd(II) has been carried out by means of a bulk phase liquid membrane
technique with vegetable oil as an environmentally friendly membrane phase. The
transport process consisted of 65 mL of Cd(II) solution as the source phase, 50 mL of corn
oil as the membrane phase and 120 mL of EDTA solution as the receiving phase. The
experimental technique used a magnetic stirrer at a speed of 200 rpm with an equilibrium
time of 15 minutes. The concentration of Cd(II) transported to the source and receiving
phase was determined by Atomic Absorption Spectroscopy(AAS) at a wavelength of
228.63 nm. It was found that the optimum conditions for Cd(II) transport were at a
concentration of 2.8 ppm with pH 6 as the source phase, EDTA concentration of 0.05 M
with pH 4 as the receiving phase, stirring speed of 200 rpm, transport time of 120 minutes
and equilibrium time of 15 minutes, the amount of Cd(II) transported to the receiving
phase reached 19.37% while the remaining in the source phase was 38.54%.
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