A recent tutorial published in the Journal of Chromatography Open by Fernando et al., emphasizes that the effectiveness of biocharBiochar is a carbon-rich material created from biomass decomposition in low-oxygen conditions. It has important applications in environmental remediation, soil improvement, agriculture, carbon sequestration, energy storage, and sustainable materials, promoting efficiency and reducing waste in various contexts while addressing climate change challenges. More in removing contaminants from water critically depends on the accuracy and reliability of laboratory experiments. Biochar, derived from biomassBiomass is a complex biological organic or non-organic solid product derived from living or recently living organism and available naturally. Various types of wastes such as animal manure, waste paper, sludge and many industrial wastes are also treated as biomass because like natural biomass these More, has shown promise in water remediation due to its sustainability and efficacy. This tutorial guides researchers in ensuring the accuracy of their experiments.

The authors explain that translating lab-scale success to real-world applications requires careful attention to detail. This includes precise solution preparation, optimal storage conditions, and the selection of appropriate analytical techniques. Key factors such as sensitivity, selectivity, detection limits, and repeatability of the chosen analytical methods must be thoroughly evaluated.

The tutorial outlines the essential steps in a comprehensive batch sorption study. These include optimizing parameters like pHpH is a measure of how acidic or alkaline a substance is. A pH of 7 is neutral, while lower pH values indicate acidity and higher values indicate alkalinity. Biochars are normally alkaline and can influence soil pH, often increasing it, which can be beneficial More and contact time, conducting kinetic and isotherm studies, performing regeneration and competitive sorption experiments, and evaluating remediation in real-world water samples. The authors stress that overlooking these factors can compromise the credibility of research findings.

The authors aim to provide a comprehensive guide for researchers across various disciplines. By adhering to these best practices, scientists can generate reliable data, facilitating the successful transition of biochar-based solutions from the laboratory to effective field applications.

SOURCE: Fernando, T. A., Fernando, D. N., Gunatilake, S. R., Navarathna, C., & Zhang, X. (2025). Biochar-Based Contaminant Removal: A Tutorial on Analytical Quality Assurance and Best Practices in Batch Sorption. Journal of Chromatography Open, 100219.