21-11-2025, 11:15 AM
(21-11-2025, 10:14 AM)Doireannjane wrote: You are not allowed to view links. Register or Login to view.This could absolutely be detectable.
Sorry, it would not. "Traces" in the McCrone report means maybe 0.01% of the ink by weight. No way a copper pen would shed that much copper while writing. Those traces of copper in the ink probably were dust from the green paint used nearby.
All the best, --stolfi


