From: The use of Hand-Held XRF for investigating the composition and corrosion of Roman copper-alloyed artefacts
Criterion
Score 0 (%)
Score 1 (%)
Score 2 (%)
Score 3 (%)
Score 4 (%)
Pitting
-
82
18
0
Preservation of surface
48
45
7
Preservation of shape
73
27
Corrosion scale
70
30