TY  - JOUR 
T1  - Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Drop with Central Composite Design for the Determination of Nitrophenols Using High-Performance Liquid Chromatography
JO  - Journal of the Brazilian Chemical Society
A1  - Hashemi, Beshare
A1  - Shamsipur, Mojtaba
A1  - Barati, Ali
SN  - 0103-5053
UL  - 10.5935/0103-5053.20150185
VL  - 26 
Y1  - 2015
PB  - Brasil 
ER  -