Fig. 2From: Identifying the reactive sites of hydrogen peroxide decomposition and hydroxyl radical formation on chrysotile asbestos surfacesNarrow velocity range Mössbauer spectra of DFOB-altered fibers (Panel a and c) and blank-altered fibers (Panel b and d) with 0 or 3 μmol g− 1 added 57Fe. Spectra for blank-altered fibers and DFOB-altered fibers + 3 μmol g− 1 57Fe were fitted with a ferrihydrite sub-spectrum to account for Fe (hydr)oxide precipitationBack to article page