3.3. Effect of Triton X-100 concentration
In cloud point extraction choosing an appropriate surfactant is
important, since the temperature corresponding to cloud point is
correlated with the hydrophilic property of a surfactant. A successful
CPE should maximize the extraction efficiency by minimizing the phase
volume, thus increasing its concentrating capability. In this work, Triton
X-100 and Triton X-114 were both investigated, and the experimental
results showed that TritonX-100 gave better performance due to its
higher density of the surfactant-rich phase, which facilitated phase
separation. The results illustrated inFig. 3shows the dependence of the
absorbance of extracted triiodide on the concentration of Triton X-100.
It was found that the absorbance and therefore extraction efficiency