Author Comment Last activity Moderation
homechemist "Well , petroleum ether is a very common chemical is it use for dissolving paintings and for cleaning painting brushes, I am thinking that is possib..." | Read more » almost 11 years ago
homechemist "Thank you very much , at first I have to said that this project wouldn’t be possible without your collaboration (Public Lab) And yes , at first yo..." | Read more » almost 11 years ago