Summary for aging pewter Discussion
The focus keyphrase is aging pewter, and the thread gives a very brief chemical recipe rather than a full process discussion. Patrick Dennis asks what chemicals are needed to age pewter, where to get them, and what they cost. The only answer shown, from an unnamed contributor, says that for tin a gray-to-black finish can be produced with 200 g iron chloride in 1 liter of water by cold immersion, but only on thoroughly degreased, oxide-free objects. The same answer also notes a bronze-brown finish for tin using 3 g ammonium chloride and 12 g of another ingredient, but the excerpt cuts off before the full formula is visible. Because the thread excerpt is incomplete, no pricing or sourcing details are actually provided, and the advice should be treated as a specific chemical treatment suggestion rather than a universal pewter-aging method.
Q. What chemicals do I need to used to age pewter? Where can I get them and how much do they cost?
Patrick Dennis
– OKC, Oklahoma
2002
2003
A. Gray to black for tin:
200 gm iron chloride
1 lit water
Cold immersion(only thoroughly degreased and oxide free objects!)
Bronze brown for tin:
3 gm ammonium chloride
12 gm copper acetate [affil link]
20 gm vinegar
⇦ in bulk on
or
Amazon [affil link]
0,5 lit water
nitric acid – to reach pH 1
Goran Budija
– Zagreb,Croatia