Hi, March's MOTM is EDTA, which is a novel molecule for complexing metal ions that can be found in a McDonald's Big Mac, and blue colored shampoos such as Aloe Vera or Revlon Aquamarine. The page has been written by Scott Sinex of Prince George's Community College, Largo, MD, USA. http://www.bristol.ac.uk/Depts/Chemistry/MOTM/motm.htm#mar2004 Regards, ----------------------------------------------------------------------------- Dr Paul May, School of Chemistry, University of Bristol, UK tel: +44 (0)117 928-9927 fax: +44 (0)117 925-1295 <mailto:paul.may@bris.ac.uk> Mobile: 07811371539 Home URL: <http://www.bris.ac.uk/Depts/Chemistry/staff/pwm.htm> Molecule of the Month: <http://www.bristol.ac.uk/Depts/Chemistry/MOTM/motm.htm> Bumper sticker: "Where are we going? And why are we in this hand-basket?" ------------------------------------------------------------------------------