Fig. 11

XPS fitting spectra of silvery and russet spots in oil-spot glazes. (a) XPS fitting spectrum of a silvery spot in Sample YD-5. (b) XPS fitting spectrum of a silvery spot in Sample YD-7. (c) XPS fitting spectrum of a russet spot in Sample HYD-1. (d) XPS fitting spectrum of a russet spot in Sample HYD-8.