@inproceedings{paperid:1027578, author = {Heidari, Taherh and Assadi GhshlAgh Sofla, Hakimeh and Z. Es’haghi}, title = {Evaluation Procedures for Liquid-Liquid Microextraction and Spectrophotometric Analysis of Three Carcinogenic Aromatic Amines Using Mean Centering of Ratio Spectra and Partial Least Squares}, booktitle = {15th Iranian Seminar of Analytical Chemistry}, year = {2007}, location = {شیراز, IRAN}, keywords = {Liquid-Liquid Microextraction; chemometrics;Mean Centering of Ratio Spectra ; Partial Least Squares}, }