From: Exploring tarnished daguerreotypes with synchrotron light: XRF and μ-XANES analysis
Element of interest | Standards | Edge jump analyzed |
---|---|---|
Ag | Ag, Ag95Au5, Ag75Au25, AgI, AgCl, AgBr, Ag2O, Ag2S, AgNO3 | L3-edge |
Cl | AgCl, NaCl, KCl, HgCl2, Au(SMe2)Cl | K-edge |
S | Ag2S, Na2SO4, Na2SO3, CuS, Cu2S, HgSO4, Na2S2O3·5H2O | K-edge |