Fig. 2From: Preparation of Alumina Nanorods from Chromium-Containing Alumina SludgeFT-IR spectra of nano alumina rods doped with different ions: a undoped alumina, b Cr-doped alumina, c Fe-doped alumina, d Mg-doped alumina, and e the alumina prepared from the chromium-containing alumina sludgeBack to article page