New ultrahigh aspect-ratio titania nanotubes were synthesized by anodizing high purity titanium foil in a standard electrochemical cell. The elemental composition of the reported nanotubes was determined by using energy dispersive X-ray (EDX) spectroscopy. The EDX spectra of tube bundles revealed that in addition to titanium and oxygen, the tubes fabricated in organic acids also contained a significant amount of carbon. A quantitative analysis of these analysis of these spectra indicated the approximate ratio of these elements (Ti/C/O) as 1:1:2.5. phases that may be present. Samples that were annealed for 4 h at 400° C in an argon atmosphere showed a distinct anatase pattern whereas unannealed samples were amorphous.