Chemical Analytical Study for Determination of Manganese (II) Using Organic Reagent (HPHMAB) in Aqueous Solution by using Spectrophotometric Method

Authors

  • rowlana Aisha Tishreen University
  • Mohammed Ra'fat Maarouf Tishreen University

Abstract

This research was conducted to study the possibility of forming a colored complex between Mn2+ ions and 4-Hydroxy-3-[[(2-hydroxy phenyl) methylene] amino] benzene Sulphonic Acid (HPHMAB) to determine Manganese by using the spectrophotometric method in aqueous solutions. The experimental study indicates that the mentioned reagent reacts with Manganese ions and forms yellow- orange complex with maximum absorbance at λmax = 435 nm in aqueous at pH=10. Based on this, all of the factors that affect the formation process of Mn-HPHMAB complex were studied. Beer-Lambert’s law was obeyed within the range (0.1-7) mg/ℓ. The molar absorptivity, complex constant formation and the detection limit were found to be Ԑ= 2.5 x 10+4 ℓ.moℓ-1.cm-1, βK= 1 x 10+3, 0.0023 mg/ℓ respectively. The stoichiometric composition of complex was CMn:HPHMAB = (1:1). The developed method was examined on Manganese standard solutions (RSD% ≤ 8.81%, recovery > 86%). All the obtained data reveal good accuracy and good reliability of the applied method and confirm the possibility of using the reagent (HPHMAB) to determine Manganese.

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Published

2022-09-15

How to Cite

1.
عـــائـــشــة ر, مـحـمـد رأفــت مـعـروف. Chemical Analytical Study for Determination of Manganese (II) Using Organic Reagent (HPHMAB) in Aqueous Solution by using Spectrophotometric Method. TUJ-BA [Internet]. 2022Sep.15 [cited 2025Mar.7];44(4):133-50. Available from: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/12390

Issue

Vol. 44 No. 4 (2022): Tishreen University Journal of Research and Scientific Studies - Basic Sciences Series

Section

Master student researches

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