Utilization of biochar for remediation of heavy metals in aqueous environments: A review and bibliometric analysis - Supplementary material

The supplementary material for the article “Utilization of Biochar for Remediation of Heavy Metals in Aqueous Environments: A Review and Bibliometric Analysis” contains a concise R code. The code enables merging data from the Web of Science core collection and Scopus. The supplementary material also presents a detailed distribution of the time duration, in days, from submission to acceptance for both open-access and subscription-based articles. The chosen statistical test supports this analysis, the Mann-Whitney U test, and additional plots to improve the clarity and depth of our analysis.