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    Green adsorbents for water remediation: Removal of Cr(vi) and Ni(ii) using Prosopis glandulosa sawdust and biochar by Salman Syed Muhammad, Razzaq Safina, Adnan Muhammad, Rozina, Sultana Sabiha, Kamal Asif, Al-Ghamdi Abdullah Ahmed, Al Farraj Dunia Abdel Aziz, Zaman Wajid

    Published 2025-01-01
    “…Both the adsorbents were characterized via SEM, FTIR spectroscopy, EDX, and TGA and were applied for the effective removal of Ni(ii) and Cr(vi) at optimum values of experimental conditions, and the mechanism was assessed via adsorption isotherm and kinetic models. …”
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    Methylxanthine and Flavonoid Contents from Guarana Seeds (Paullinia cupana): Comparison of Different Drying Techniques and Effects of UV Radiation by André Luiz Sampaio da Silva Junior, Madson Moreira Nascimento, Herick Macedo Santos, Ivon Pinheiro Lôbo, Rosilene Aparecida de Oliveira, Raildo Mota de Jesus

    Published 2024-01-01
    “…Caffeine, theobromine, catechin, and epicatechin were determined by high-performance liquid chromatography with UV-visible detection (HPLC/UV-vis). Statistical tools, including analysis of variance (ANOVA), Tukey’s test, and exploratory analysis, were employed to analyze the obtained data. …”
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