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. 2023 Jan 5;28(2):546. doi: 10.3390/molecules28020546

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© 2023 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/).

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The concentration of zinc in concentrated galvanic wastewater treated by 20% solution of Na₂CO₃, 15% suspension of Ca(OH)₂ and 25% solution of NaOH (the pH value of the 20% solution of Na₂CO₃ was 10.5 ± 0.1).