“…High demand for indium has prompted development of methods for its recovery in the recycling process and the search for new and effective methods of its determination. So far, several low-cost, fast, selective, sensitive and highly reproducible methods have been proposed [ 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 ] for determination of indium.…”