Zinc Metal-Organic Framework for Selective Detection and Differentiation of Fe(III) and Cr(VI) Ions in Aqueous Solution.A new luminescent Zn(II)-based metal-organic framework (MOF), [Zn2(TPOM)(NDC)2]·3.5H2O (Zn-MOF; TPOM = tetrakis(4-pyridyloxymethylene)methane and H2ndc = 2,6-naphthalenedicarboxylic acid), was successfully synthesized by a hydrothermal reaction. 
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