Navegação por autor "Coelho, Fernando A. Soares"

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Determinação colorimétrica de cobre e zinco, na análise foliar

Gallo, J. Romano; Coelho, Fernando A. Soares (Instituto Agronômico (IAC), 1965-03)

An analytical procedure for the determination of small concentrations of copper and zinc by 2-carboxy-2'hydroxy-5'-sulfoiormazylbenzene (Zincon) method in leaf samples is described. Copper and zinc are measured colorimetrically ...