Sandra Silver adsorbs oxygen ... actually fits oxygen atoms into the silver atomic matrix.
The beauty of silver is its ability to provide oxygen in nascent (atomic) form, molecular O2, and singlet form, as needed. As catalyst, silver merely provides the oxygen, and does not itself participate in the reaction. More detailed explanation below: http://www.thesilveredge.com/Silver%20carries%20oxygen.shtml#.VG_14bl0xol
