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Table 1 Parameters, and corresponding scores, used to define artefacts’ preservation status

From: The use of Hand-Held XRF for investigating the composition and corrosion of Roman copper-alloyed artefacts

Parameter Values Individual scores
Pitting No pits 1
Visible pitting 2
Completely pitted 3
Preservation of surface All details visible 1
Details visible 2
Surface partly degraded 3
No original surface left 4
Preservation of shape Object is complete 1
Some damage is observed 2
Object is partly deformed 3
Object not recognizable 4
Corrosion scale Not present 0
Present 1