This paper is marked retracted in the scholarly record (OpenAlex). Interpret its findings with caution.
Retraction of: Differentiation Between Humic and Non-Humic Substances Using Alkaline Extraction and Ultraviolet Spectroscopy

Abstract
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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Taxonomy
TopicsPlant Growth Enhancement Techniques · Food Industry and Aquatic Biology
This is a retraction of: Lawrence Mayhew, Amit Pratap Singh, Peng Li, E Michael Perdue, Differentiation Between Humic and Non-Humic Substances Using Alkaline Extraction and Ultraviolet Spectroscopy, Journal of AOAC INTERNATIONAL, Volume 106, Issue 3, May-June 2023, Pages 748–759, https://doi.org/10.1093/jaoacint/qsad001
The corresponding author contacted the Journal and Association in November 2024, requesting the article be retracted because the article contains a flawed procedure for calibration of the spectrometer.
Within the Experimental Procedure section of the article, Step 13 of the Scan sub-section:
The effect of the omissions above resulted in a lack of confidence in the data itself and in the conclusions drawn from it.
The editors and corresponding author have agreed to the retraction.
