Journals / Turkish Journal of Chemistry / 2015 / Cilt: 39 - Sayı: 5

Effective recognition of multiple anions by an azobenzene Al 3+ system

Pages
905–916
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The DHABAl 3+ system can determine the concentration ranges of H2PO − 4 with the naked eye and quantify CO2− 3 , SO2− 3 , HPO2− 4 , and HCO − 3 through UV-Vis spectra

📌 3 Key Takeaways

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Objective & Hypothesis:A ready-to-use multifunctional coordinative system, 2,2 -dihydroxyazobenzene aluminum (III) (DHABAl 3+), was created to recognize several anions effectively through three channels, namely colorimetric detection, UV-Vis spectroscopy, and fluorescence spectroscopy.
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Key Findings & Data:Under naked eye visualization, the H2PO − 4 can be readily distinguished from the other anions by the DHAB Al 3+ system through a change in color from reddish-orange to light yellow.
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Conclusion & Impact:The DHABAl 3+ system can determine the concentration ranges of H2PO − 4 with the naked eye and quantify CO2− 3 , SO2− 3 , HPO2− 4 , and HCO − 3 through UV-Vis spectra
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

A ready-to-use multifunctional coordinative system, 2,2 -dihydroxyazobenzene aluminum (III) (DHABAl 3+), was created to recognize several anions effectively through three channels, namely colorimetric detection, UV-Vis spectroscopy, and fluorescence spectroscopy. Under naked eye visualization, the H2PO − 4 can be readily distinguished from the other anions by the DHAB Al 3+ system through a change in color from reddish-orange to light yellow. H2PO − 4 was qualitatively detected by using UV-Vis and fluorescence spectra. Differentiating SO2− 3 , HPO2− 4 , and HCO − 3 anions colorimetrically is difficult; thus, CO2− 3 , SO2− 3 , HPO2− 4 , and HCO − 3 were discriminated by adopting distinct changes in the UV-Vis spectra. CO2− 3 , HPO2− 4 , and HCO − 3 were accurately quantified using fluorescence spectra. The DHABAl 3+ system responded to H2PO − 4 and CO2− 3 via a sensing mechanism based on a displacement approach. By contrast, the system responded to SO2− 3 , HPO2− 4 , and HCO − 3 based on a binding site signaling subunit approach. The DHABAl 3+ system can determine the concentration ranges of H2PO − 4 with the naked eye and quantify CO2− 3 , SO2− 3 , HPO2− 4 , and HCO − 3 through UV-Vis spectra

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Cite This Article

ZHANG, Y., TONG, Z., LIU, H., JIA, P., WANG, J. (2022). Effective recognition of multiple anions by an azobenzene Al 3+ system. Turkish Journal of Chemistry, Cilt: 39 - Sayı: 5, 905–916. https://ajindex.com/articles/589289

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