TY  - JOUR 
T1  - Magnetic Solid-Phase Extraction Combined with Dispersive Liquid-Liquid Microextraction Followed by HPLC for Determination of Four Aromatic Amines Released from Azo Dyes in Paper Samples
JO  - Journal of the Brazilian Chemical Society
A1  - Li, Xiaolan
A1  - Meng, Dongling
A1  - Liu, Ruiqi
A1  - Yang, Yaling
SN  - 0103-5053
UL  - 10.21577/0103-5053.20170198
VL  - 29 
Y1  - 2018
PB  - Brasil 
ER  -