Microbial removal mechanism of chromium and cadmium by humic acid-loaded nano zero-valent iron prepared by liquid-phase reduction method.

Front Plant Sci · 2025 · PMC12392117 · PMID 40894499

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a decreasing trendno p-value reported

The zeta potentials of humic acid, NZVI, and NZVI@HA exhibited a decreasing trend with increasing pH, turning negative when pH surpassed 7.

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