UMES Geometries ◆Disk ◆ Recessed disk C.S. Henry: I Fritsch Anal. Chem 199971.550-6. ◆Band Cylinder ◆ Materials Carbon fiberUME’s  Geometries  Disk  Recessed disk C.S. Henry; I. Fritsch Anal. Chem. 1999, 71, 550-6.  Band  Cylinder  Materials  Carbon fiber