Can thioglycolic acid be used to etch copper?

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T. H. Al-Noor

www.google.nl › patents

Madhukar Baburao Deshmukh

Thioglycolic acid may be used to etch copper as it contains sulfur.

Aref Wazwaz

Since it was used for Au , I think it can be used for Cu. See the following useful link: https://pubs.rsc.org/en/content/articlelanding/2014/ra/c4ra02111h

Kindly see also the following beneficial RG link: Article Effective cleaning of rust stained marble