ConNext-2021

5 Top: SEM images of B72 and Renaissance wax before and after removal by cotton swabs. © Yung-Chen Liao, The Department of Chemistry, National Taiwan Normal University. Bottom: FTIR spectra of Paraloid B72 and Renaissance wax before and after removal by cotton swabs. © Yung-Chen Liao, Research Centre for Conservation of Cultural Relics, National Taiwan Normal University.