GregH Posted December 2, 2023 · Member Share Posted December 2, 2023 I have a couple of patients with suspected BD possibly requiring treatment. What's the recommended regimen these days? Does anyone have any good experiences? I know we're supposed to keep these patients in isolation so they don't infect other coins. 1 Quote Link to comment Share on other sites More sharing options...
DLTcoins Posted December 2, 2023 · Member Share Posted December 2, 2023 Excellent information here: https://en.wikipedia.org/wiki/Bronze_disease 1 Quote Link to comment Share on other sites More sharing options...
CPK Posted December 2, 2023 · Supporter Share Posted December 2, 2023 Sodium sesquicarbonate works very well, but it can be harsh on a coin. Here's a thread I made about my own experiences dealing with BD: 3 Quote Link to comment Share on other sites More sharing options...
Ryro Posted December 2, 2023 · Supporter Share Posted December 2, 2023 First off, get them soaking in distilled water while you research. 3 Quote Link to comment Share on other sites More sharing options...
expat Posted December 2, 2023 · Supporter Share Posted December 2, 2023 (edited) Certain types of soils, where the coin was submerged, have chloride salts present. The reaction between chlorides and the bronze, copper of the coin causes bronze disease. Like a triangle of requirements for fire, bronze disease needs chloride, water and oxygen. Take away one of these and the process will be delayed/halted but any damage done will remain. So, as @Ryro says above, a bath in distilled water is best while you try to ascertain what are the next best steps. Edited December 2, 2023 by expat 1 Quote Link to comment Share on other sites More sharing options...
John Conduitt Posted December 2, 2023 · Supporter Share Posted December 2, 2023 1 hour ago, CPK said: Sodium sesquicarbonate works very well, but it can be harsh on a coin. It really can be harsh - like eroding the coin further even where there isn't bronze disease. Best used as a last resort. I think distilled water can actually do quite a lot to stop it, maybe even permanently, although the bronze disease will continue eating the coin a little more during treatment. Then you just need to keep it dry and away from chlorides. 2 Quote Link to comment Share on other sites More sharing options...
ewomack Posted December 2, 2023 · Supporter Share Posted December 2, 2023 (edited) I have heard this works very well. I picked some up a while ago "just in case," but I haven't had a chance to use it. I'm pretty sure I bought mine at Wizard Coin Supply. https://www.wizardcoinsupply.com/verdigone/ Edited December 2, 2023 by ewomack 1 Quote Link to comment Share on other sites More sharing options...
Xeno Posted December 3, 2023 · Member Share Posted December 3, 2023 Distilled water supposedly leeches out the chlorides that cause bronze disease. Soak coins for 1-2 months +, changing the distilled water every so often, then dry thoroughly. I also store all of my ancient coins with color-changing silica packs, (Use orange colored not blue! blue contains cobalt chloride). Keeping your coins in a dry environment is one of the best ways to preserve them. Quote Link to comment Share on other sites More sharing options...
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