Elias Ayres Guidetti Zagatto, Brazilian analytical chemist (Piracicaba, São Paulo State 25 September 1948 –

Authored many innovations to flow injection analysis (FIA) with about 12,000 citations (in according to Google Academics)

His paper, with M.F. Giné & B.F. Reis. Simultaneous determination of nitrate and nitrite by flow injection analysis. Anal. Chim. Acta 114:191-7, 1980 held about 3,500 citations

INNOVATIONS INTO FLOW INJECTION ANALYSIS (FIA)

With E. Hansen & J. Ruzicka proposed the utilization of potentiometric detection in FIA systems (1977)

With F.J. Krug, H. Bergamin Filho & S.S. Jorgensen introduced turbidimetry (1977)

With H. Bergamin Filho, B.F. Reis & J.X. Medeiros introduced liquid-liquid extraction in flow injection analysis (1978)

With B.F. Reis, F.J. Krug & H. Bergamin Filho introduced the concept of zone merging for saving reagents (1978)

With B.F. Reis, F.J. Krug & H. Bergamin Filho introduced isothermal distillation or membraneless gas diffusion (1979)

With F.G. Krug, H. Bergamin Filho, S.S. Jorgensen & B.F. Reis introduced flame atomic absorption spectrometry (FAAS) (1979)

With B.F. Reis, A.O. Jacintho & H. Bergamin Filho first used solid phase extraction in flow injection analysis (1980)

With B.F. Reis, A.O. Jacintho & H. Bergamin Filho introduced the ion exchange resin in flow injection analysis (1980)

With B.F. Reis, A.O. Jacintho & H. Bergamin Filho introduced automatic injector (1980)

With B.F. Reis, A.O. Jacintho, H. Bergamin Filho, F.J. Krug, R.E. Bruns & B.R. Kowalski introduced inductively coupled plasma optical emission spectrometry or ICP-OES (1981)

With B.F. Reis, A.O. Jacintho, F.J. Krug, Mortatto & Pessenda proposed the sampling zones (1981)

With F.J. Krug, M.F. Giné, J.R. Ferreira, A.O. Jacintho proposed the zone trapping (1983)

With F.J. Krug & H. Bergamin Filho introduced commutation (1986)

With H. Bergamin Filho, A.R.A. Nogueira & J.L.F.C. Lima introduced the concept of multi-site detection (1992)

With H. Bergamin Filho, S.M.B. Brienza, M.A.Z. Arruda, A.R.A. Nogueira & J.L.F.C. Lima proposed the detector releasing (1992)

With B.F. dos Reis, M.F. Giné, J.L.F.C. Lima & R.A.S. Lapa proposed the binary sampling and multicommutation (1994)

With J.L.F. C. Lima, R.A.S. Lapa & R.S. Honorato developed flow batch analysis (1999)

With R.A.S. Lapa, J.L.M. Santos e B.F. Reis proposed the multi-pumping (2002)

OTHERS

First to propose the exploitation of aqueous biphasic extraction in flow analysis

With C.I.C. Silvestre, S. Rodrigues, J.L.M. Santos & J.L.F.C. Lima. Exploitation of a single interface flow system for on-line aqueous biphasic extraction. Talanta 81(4-5):1847-51, 2010

Proposed reactor replacements as means for realizing sample residence times in FIA

With M.A.Z. Arruda & N. Maniasso. Kinetic determination of cobalt and nickel by flow-injection spectrophotometry. Anal. Chim. Acta 283(1):476-80, 1993

Proposed volumetric fraction as a new index to describe the composition of any fluid element in a flow injection system

With B.F. dos Reis & H. Bergamin Filho. The concept of volumetric fraction in flow-injection analysis. Anal. Chim. Acta 226(1):129-36, 1989

With F.J. Krug & H. Bergamin Filho first to observe Schlieren effect (1977)

SOME METHODS / SYSTEMS / STRATEGIES / DEVICES (about 120 contributions)

With H. Bergamin Filho, M. Martinelli & M.A.Z. Arruda. A new approach for wide-range flow injection spectrophotometric determination of cobalt in livestock mineral supplements. Quim. Anal. 8:153-61, 1989

With F.J. Krug, H. Bergamin Filho, E.C. Arruda & C.A. Coutinho proposed a electrolytic cell for anodic electrodissolution processes into flow injection systems and a process of anodic electrodissolution processes into flow injection system for determination of soluble elements in steel (1986)

With H. Bergamin Filho, O. Bahia Filho & M.F. Giné. A simple procedure for hydrodynamic injection in flow injection analysis applied to the atomic absorption spectrometry of chromium in steels. Anal. Chim. Acta 181:265-70, 1986

With H. Bergamin Filho, A.O. Jacintho & Mortatti. An improved flow injection determination of nitrite in waters by using intermittent flows. Anal. Chim. Acta 120:399-403, 1980

With H. Bergamin Filho & B.F. Reis. A new device for improving sensitivity and stabilization in flow injection analysis. Anal. Chim.Acta 97:427-31, 1978

BRAZILIAN PATENTS

With I.L.T. Dias, T.D.Z. Atvars, L.T. Kubota & A.B.Moreira. Método de determinação direta de paracetamol em amostras farmacêuticas pulverizadas por espectroscopia de fluorescência PI0504496-0 A2 (2005)

With H. Bergamin Filho, F.J. Krug, C.A. Coutinho & E.C. Arruda. Analisador rápido de alumínio solúvel no aço (1987)

With H. Bergamin Filho, F.J. Krug & USIMINAS. Eletrodissolução anódica em sistema FIA (1986) (anodic electro dissolution in flow injection analysis system)