Material Brief - BET Surface Area and Mesopore Size Distribution of Biochar - NOVAtouch

Biochar was analysed using N2 adsorption on the NOVAtouch. The BET surface area and mesopore size distribution were calculated from the data.

Important properties for biochar include the BET surface area and the pore size distribution, which can relate to its performance for use in agriculture and environmental remediation applications, clean water projects, and carbon sequestration. Because of the typically small micropores found in biochar,
CO2 (273 K) adsorption coupled with N2 (77 K) adsorption allows one to obtain a full micro-mesopore size distribution. The NOVAtouch was used for these measurements on a biochar and this report outlines the N2 adsorption and subsequent BET surface area and mesopore size calculations.

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