TY  - JOUR 
T1  - Evaluation of a nafion coated glassy carbon electrode for determination of paraquat by differential pulse voltammetry
JO  - Journal of the Brazilian Chemical Society
A1  - Oliveira, Ulisses M. F. de
A1  - Lichtig, Jaim
A1  - Masini, Jorge C.
SN  - 0103-5053
UL  - 10.1590/S0103-50532004000500020
VL  - 15 
Y1  - 2004
PB  - Brasil 
ER  -