TABLE 2

Elemental compositions of the corroded iron nails

Composition categoryaElement(s) identified
Abiotic controlStrain TCE1
Before treatmentAfter treatmentBefore treatmentAfter treatment
Main elements (>10%)Fe, OFe, OFe, OFe, O, P
Secondary elements (between 10 and 1%)AlCAl, SiC
Trace elements (<1%)Si, CaAl, Si, P, CaCa, P
  • a The percentages reported correspond to the atomic percentages.