Measuring estriol and estrone simultaneously in liquid cosmetic samples using second-order calibration coupled with excitation–emission matrix fluorescence based on region selection

De-Zhu Tu, Hai-Long Wu, Yuan-Na Li, Juan Zhang, Yong Li, Chong-Chong Nie, Xiao-Hua Zhang, Ru-Qin Yu
  • Analytical Methods, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c1ay05388d