Técnica para avaliação quantitativa dos princípios ativos de fungicidas à base de estanho
Palavras-chave:
controle doenças, efeito residual, princípio ativo, extração quantitativa, produto comercialResumo
This research has been developedin view of the problem concerning residues on plant parts resulting from the use of certain pesticides to control diseases and insects in economically important crops. Our main objective was to adapt routine method to a quantitative evaluation of tin, which is the active principle of numerous fungicides, in order to achieve some con- trol in the use of such products.
Referências
ALMEIDA, N. F., PIEDADE, J.R. & SOUZA, D. A. Química dos Pesticidas. São Paulo, Fundo de Pesquisas do Instituto Biológico de São Paulo, 1962. 325 p.
KOLTHOFF, LM. & SANDELL, E.B. Textbook of Quantitative Analysis. 37% ed. New York, The MacMillan Co., 1952. 759 p.
MONIER-WILLIAMS, G.W. Trace Element in Food, 2nd. ed, New York, John Wiley & Sons, Inc., 1950. 511 p.
PIERCE, W. C. & HAENISH, E. L. Quantitative Analysis, 37d. ed, New York, John Wiley & Sons, Inc., 1950. 520 p.
WINTON, A.L., & WINTON, K.B. The Analysis of Foods. New York, John Wiley & Sons, Inc., 1947. 999 p.
