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Article Title
Colorimetric and Spectrophotometric Sensing of Heavy Metal Ions using 5,10,15,20-Tetrakis(4-sulfonatophenyl) porphyrin (TPPS₄) in Aqueous Media: Selectivity, Paper-based Detection, and Field Assessment in Nigerian River Water
Authored by
Emmanuel Efan Anuwe
Department of Chemistry, Federal University of Lokoja, Kogi, Nigeria.
Gabriel K. Obiyenwa
Department of Chemistry, Federal University of Lokoja, Kogi, Nigeria.
Jude E. Emurotu
Department of Chemistry, Federal University of Lokoja, Kogi, Nigeria.
Samson Mopah Benu
Kogi State Acresal Project, Ministry of Environment, Lokoja, Nigeria.