Structural Characterization of DESLs

¹H-¹³C 2D HSQC NMR was conducted on an ADVANCE III 600 MHz spectrometer (Bruker, Karlsruhe, Germany) with a 6 s relaxation delay for 10 h for the structural characterization of the three DESLs. The preparation of lignin samples for NMR detection and the specific parameter setting for NMR detection were carried out based on the previous references [33 (link)].

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Li T., Jin X., Shen X., Liu H., Tong R., Qiu X, & Xu J. (2023). Study on the Relationship between the Structure and Pyrolysis Characteristics of Lignin Isolated from Eucalyptus, Pine, and Rice Straw through the Use of Deep Eutectic Solvent. Molecules, 29(1), 219.

Publication 2023

ADVANCE III 600 MHz spectrometer

Corresponding Organization : Quzhou University

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Variable analysis

independent variables

Magnetic field strength of the NMR spectrometer (600 MHz)

dependent variables

Structural characterization of the three DESLs

control variables

Relaxation delay (6 s)
Acquisition time (10 h)
Preparation of lignin samples for NMR detection based on previous references [33]
Parameter settings for NMR detection based on previous references [33]

controls

Positive control: Not explicitly mentioned
Negative control: Not explicitly mentioned

Annotations

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