Summary iq.unesp.br/ecletica | Vol. 44 | n. 4 | 2019 | SUMMARY EDITORIAL BOARD..............................................................................................................................................3 EDITORIAL.……………………………………………………...............................................................................................4 INSTRUCTIONS FOR AUTHORS..........................................................................................................................5 ORIGINAL REVIEW Occurrence of caffeine in wastewater and sewage and applied techniques for analysis: a review.......... 11 César Augusto Marasco Júnior, Natália da Costa Luchiari, Paulo Clairmont Feitosa Lima Gomes ORIGINAL ARTICLES Influence of Ce(IV) ions amount on the electrochemical behavior of organic-inorganic hybrid coatings in 0.1 mol L-1 NaCl solution ............................................................................................................................ 27 Fernando Santos da Silva, Hercílio Gomes de Melo, Assis Vicente Benedetti, Patrícia Hatsue Suegama Determination of trace amounts of selenium in natural spring waters and tea samples by catalytic kinetic spectrophotometry.......................................................................................................................... 57 Ramazan Gürkan, Nevalnur Zeynep Gürkan Rapid and selective extraction of trace amount of Pb(II) in aqueous samples using a magnetic ion- imprinted polymer and detection by flame atomic absorption spectrometry ............................................ 73 Saeed Babaee, Seyed Ghorban Hosseini, Mohammad Mirzaei Larvicidal activity, molluscicide and toxicity of the essential oil of Citrus limon peels against, respectively, Aedes aegypti, Biomphalaria glabrata and Artemia salina ....................................................................... 85 Paulo Roberto Barros Gomes, Marlucy Bezerra Oliveira, Dionney Andrade de Sousa, Jeremias Caetano da Silva, Romer Pêssoa Fernandes, Hilton Costa Louzeiro, Rayone Wesly Santos de Oliveira, Maria do Livramento de Paula, Victor Elias Mouchrek Filho, Maria Alves Fontenele http://revista.iq.unesp.br/ojs/index.php/ecletica/index