Fig. 2. Wide-scan x-ray photoelectron spectra of the surface of soil particles (<2 mm) of the Bs horizon of a Typic Haplorthod before (a) and after surface abrasion by bombarding with Ar ions (b).
Fig. 2. Wide-scan x-ray photoelectron spectra of the surface of soil particles (<2 mm) of the Bs horizon of a Typic Haplorthod before (a) and after surface abrasion by bombarding with Ar ions (b).