<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>RbMnPO<sub>4 </sub> zeolite powder is prepared by solid state reaction of a stoichiometric mixture of Rb<sub>2</sub>CO<sub>3</sub>, MnO, and (NH<sub>4</sub>)H<sub>2</sub>PO<sub>4</sub> (1.</p> </abstract>