SPECTROPHOTOMETRIC STUDY OF CLOSED-TUBE CHEMICAL TRANSPORT OF VANADIUM OXIDES WITH TeCl4

Autor: Ohtani, Tsukio, Yamaoka, Toshiyuki, Shimamura, Koji
Zdroj: Chemistry Letters; June 1986, Vol. 15 Issue: 6 p947-950, 4p
Abstrakt: The in situ observations of the gaseous species in the closed-tube chemical transport systems, V2O3–TeCl4, V5O9–TeCl4, VO2–TeCl4, V6O13–TeCl4, and V2O5–TeCl4were made by using an UV and VIS spectrophotometer which was improved for the high-temperature measurements. The measurements showed that a great majority of gaseous species in the transport tube is VOCl3for all the systems, which is in agreement with the earlier result of the mass spectrometry on the VO2–TeCl4system.
Databáze: Supplemental Index