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. 2021 Sep 27;28(1):2011–2023. doi: 10.1080/10717544.2021.1981493

Figure 2.

Figure 2.

Characterization of MIDFDS and Betoptic. (a) Viscosity of Betoptic and MIDFDS at 34 °C as a function of the shear rate. (b) XPS atomic concentrations of BH, Acid-Mt, Mt-BH, and MIDFDS. (c) X-ray photoelectron full spectrum of BH, Acid-Mt, Mt-BH, and MIDFDS. (d) The N 1 s XPS spectrum of BH, Acid-Mt, Mt-BH, and MIDFDS. (e) The Cl 2p XPS spectrum of BH, Acid-Mt, Mt-BH, and MIDFDS. (f) The Si 2p XPS spectrum of BH, Acid-Mt, Mt-BH, and MIDFDS.