Martín, J., Santos, J.L., Aparicio, I. and Alonso, E. (2015) Determination of Hormones, a Plasticizer, Preservatives, Perfluoroalkylated Compounds, and a Flame Retardant in Water Samples by Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction Based on the Solidification of a Floating Organic Drop. Talanta, 143, 335-343.
https://doi.org/10.1016/j.talanta.2015.04.089

has been cited by the following article:

• TITLE: Fitting Nonlinear Calibration Curves: No Models Perfect

  AUTHORS: Julia Martin, Alberto Romero Gracia, Agustín G. Asuero

  KEYWORDS: Calibration, Non Linear Calibration, Residual Analysis, Liquid Chromatography-Tandem Mass Spectrometry, Emerging Pollutants

  JOURNAL NAME: Journal of Analytical Sciences, Methods and Instrumentation, Vol.7 No.1, March 3, 2017

  ABSTRACT: The study of the calibration of a series of compounds of environmental concern (six perfluoroalkyl compounds (perfluorooctane sulfonic acid and five perfluoroalkyl carboxylic acids), three preservatives (methyl-, ethyl- and propylparabens) and the brominated flame retardant hexabromocyclododecane) by LC-MS/MS has been carries out, with a view to their simultaneous determination in samples of environmental interest. In some cases nonlinear calibration curves are obtained, but restricting the concentration range a linear model may be used to fit the data. Residual analysis has been performed in order to verify which models fit the data better, opting for a compromise decision given the apparent complexity of residuals plots. As Box states there are no perfect models (but models that work better than others).