Green chitosan: thiourea dioxide cleaning gel for manganese stains on granite and glass substrates
The cleaning or removal of manganese stains on Cultural Heritage has not been much tested or successful so far. The aim of this article was to assess a new green cleaning gel for Mn-rich black-blue stains on different substrates. The black-blue stains were characterized at optical and chemical level...
| Autor principal: | |
|---|---|
| Outros Autores: | , , , , , , , |
| Formato: | article |
| Idioma: | eng |
| Publicado em: |
2021
|
| Assuntos: | |
| Texto completo: | http://hdl.handle.net/10316/96862 |
| País: | Portugal |
| Oai: | oai:estudogeral.sib.uc.pt:10316/96862 |