Henry77 - 5-2-2018 at 08:57
I am new to this site and this is my first post.
I read somewhere that oleum is produced during contact process. at what temperature and pressure does this occur.
ninhydric1 - 5-2-2018 at 09:33
http://www.sciencemadness.org/talk/viewthread.php?tid=13313
Please UTFSE.