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NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0
Reliable, with one-point correction of energy scale
Comment:
Poly(acrylic acid)/gibbsite.Thin layer of polymer, no thicker than 5 nm, which corresponds to the escape depth of the aluminium photoelectrons. in (-CH2CH(C(O)OH)-)n/Al2O3.3H2O system