TY  - JOUR 
T1  - Determination of gibberellic acid by sequential injection analysis using a potentiometric detector based on Mn(III)-porphyrin with improved characteristics
JO  - Journal of the Brazilian Chemical Society
A1  - Santos, Emília M. G.
A1  - Couto, Cristina M. C. M.
A1  - Araújo, Alberto N.
A1  - Montenegro, M. Conceição B. S. M.
A1  - Reis, Boaventura F.
SN  - 0103-5053
UL  - 10.1590/S0103-50532004000500015
VL  - 15 
Y1  - 2004
PB  - Brasil 
ER  -