TY  - JOUR 
T1  - Ultrasound-assisted treatment of coconut water samples for potentiometric stripping determination of zinc
JO  - Journal of the Brazilian Chemical Society
A1  - Munoz, Rodrigo A. A.
A1  - Kolbe, Matias
A1  - Siloto, Rita C.
A1  - Oliveira, Pedro V.
A1  - Angnes, Lucio
SN  - 0103-5053
UL  - 10.1590/S0103-50532007000200025
VL  - 18 
Y1  - 2007
PB  - Brasil 
ER  -