Document Type : Research Paper
Authors
1 University of Babylon - College of Science
2 Anbar University - College of Education for Girls
Abstract
The aim of this work was to design a new flow injection analysis unit for the determination of cerium(IV) by the reaction of potassium iodide with Ce4+ in an acidic medium to released I2 which have yellow color and give a λmax in 351 nm. The method involves the design of a new valve from cheap material and select the best design for unit .The optimum condition such as acid concentration , flow rate, potassium iodide concentration, acid volume, sample volume, reaction coil length, and interference effects were studied. Beer's law is obeyed over concentration rang (1- 40 mg/l), correlation coefficient(R2) was 0.998.
Main Subjects
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