Spectroscopic Characteristics and Speciation Distribution of Fe(III) Binding to Molecular Weight-Dependent Standard Pahokee Peat Fulvic Acid.

Int J Environ Res Public Health · 2022 · PMC9266197 · PMID 35805509

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a decreasing trendno p-value reported

As shown in Figure S1 , the absorbance spectra for both bulk and fractionated PPFA show a decreasing trend as an approximate quasi-exponential change, along with the wavelength in the range of 230–800 nm with a prominent peak at 303 nm.

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