銅幣上的銅銹
回答 (3)
2007-03-13 11:40 pm
✔ 最佳答案
You can use any acidic solution to clean it, i suggest you to use vingear, because it is a weak acid, and it will react with the oxide slowly:2H+ + O2- --> H2O
參考: Myself
收錄日期: 2021-04-13 14:53:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070312000051KK05208