Sulfur

銀箔の色を変える時、普段は硫黄石灰合剤を使ってるけど、ドイツでは見つける事が出来なかったので銀を黒くする硫黄入り液体を入手しました。いつもと同様の手段で銀箔に塗ると熱を与えて無いのにみるみると銀箔が黒くなり黒箔の様になりました。そして何故か何も塗ってない部分がドーサと反応して金や緑になりました。pHや内容成分が違うからだろうけど、扱い難くて困ります(*´-`)

When I change the color of silver leaf, use lime sulfur but couldn’t find it here, so purchased a liquid including sulfur that is used as blackening silver accessories. I applied that on silver leaf as usual, silver leaf blackened soon without heat( in case of lime sulfur, chemical reaction is urged by heat). And the parts which I didn’t apply anything changed gold or green after painting alum liquid( reaction terminator). Probably it’s caused by difference of pH or ingredients, it’s hard to deal with than lime sulfur. Umm…

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