Evaluating Pb (II) adsorption performance by amine-modified resorcinol formaldehyde aerogel and organically modified silica aerogel: comparative study of adsorption, synthesis, characterization, and isotherms - Akhter, Faheem; Ahmed, Siraj; Ahmed, Jawad; Ahsan, Muhammad Junaid; Arain, Haris Jawad; Lakhmir, Mansoor Ahmed (Biomass Conversion and Biorefinery: Processing of Biogenic Material for Energy and Chemistry, 2024)