%0 Journal Article %T Chemical State of Potassium on the Surface of Iron Oxides: Effects of Potassium Precursor Concentration and Calcination Temperature %A Hoque, Md. Ariful %A Guzman, Marcelo I. %A Selegue, John P. %A Gnanamani, Muthu Kumaran %J Materials %V 15 %N 20 %@ 1996-1944 %D 2022-10-21 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve