Figure 2From: The use of Hand-Held XRF for investigating the composition and corrosion of Roman copper-alloyed artefactsExamples of untreated and treated objects’ surfaces. Sample 128 with untreated (A) and treated (B) surfaces. Sample 52 (C) with untreated upper part and treated lower part. Sample 12 (D) with untreated (right side) and treated (left side) surfaces.Back to article page