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. 2024 Jan 10;14:970. doi: 10.1038/s41598-023-50937-0

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© The Author(s) 2024, corrected publication 2024

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Effect of pH on the MB dye adsorption on modified rice straw at different pH values (2–10) and T = 303 K; the amount of adsorbent = 1 g in 300 mL methylene blue.