. 2022 Oct 25;27(21):7209. doi: 10.3390/molecules27217209
© 2022 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 4.
FT-IR spectrum of pH−1–14-treated PAPS samples.