Aluminium oxide , among other substances, is used as a "structural promoter" in iron catalysts. Following method makes possible the determination of the relatively small amounts of aluminium in iron catalysts.
Reference:
Kunstmann, F. & Muller, E. 1957. The determination of small amounts of aluminum oxide in magnetites and iron catalysts. http://hdl.handle.net/10204/12928 .
Kunstmann, F., & Muller, E. (1957). The determination of small amounts of aluminum oxide in magnetites and iron catalysts Retrieved from http://hdl.handle.net/10204/12928
Kunstmann, FH, and EFE Muller The determination of small amounts of aluminum oxide in magnetites and iron catalysts. 1957. http://hdl.handle.net/10204/12928
Kunstmann F, Muller E. The determination of small amounts of aluminum oxide in magnetites and iron catalysts. 1957 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12928