Reducing Agent 5 : A reduction reaction is always balanced by an oxidation reaction. The reducing agent is the substance that combines with oxygen or loses electrons to the reaction
W. A. N Dorland and E. J. Taylor (editors), Glossary of MSDS Terms, Texas A&M University, USA 2001. http://www.bio.tamu.edu/USERS/TONNA/GLOSSARY.HTM, (MSDS - Amer) {631}