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All Journal SAINSMAT ARRUS Journal of Engineering and Technology Jurnal Point Equilibrium Manajemen dan Akuntansi Paramacitra : Jurnal Pengabdian Masyarakat Abdi Kimia : Jurnal Pengabdian Masyarakat
Suryani, A. Irma
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Humanities Chemistry Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Library & Information Science Social Sciences Other

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Journal : ARRUS Journal of Engineering and Technology

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Visual Screening of Chloride (Cl⁻) Ions Using a Colorimetric Sensor with Comparative Anion Study Majid, Ahmad Fudhail; Suryani, A. Irma
ARRUS Journal of Engineering and Technology Vol. 5 No. 2 (2025)
Publisher : PT ARRUS Intelektual Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/jetech4582

Abstract

The presence of inorganic anions, particularly chloride (Cl⁻), nitrate (NO₃⁻), and sulfate (SO₄²⁻), in aquatic environments and food products necessitates effective monitoring. Excessive concentrations of these anions may compromise fishery product quality and pose risks to human health. This study presents a visual screening approach for Cl⁻ ions that leverages comparative colorimetric responses of NO₃⁻ and SO₄²⁻ ions. The method employs a colorimetric indicator that generates distinct color changes upon interaction with target anions, allowing distinct visual differentiation between Cl- ions and competing anions. Experimental results demonstrate a marked and concentration-dependent color change toward Cl⁻ ions in the 10–100 µM range, whereas NO₃⁻ and SO₄²⁻ elicit only weak or negligible visual responses, even at higher concentrations. The strong contrast in visual response underscores the selectivity of this screening strategy toward Cl- ions. These findings suggest that the approach has potential as a rapid, practical, and cost-effective method for preliminary screening of inorganic anions in environmental and food monitoring applications.
Co-Authors Ahmad Fudhail  Majid Akbar, Muh Arifah Novia Arifin, Arifah Novia Bedduside, Nurhayati Diah Retno Dwi Hastuti Hadis, Abdul Hilda Karim Muhammad Syafri, Muhammad Muharram Patongai, Dian Dwi Putri Ulan Sari Rahim, Abd Rayhani Ichsan Sahribulan, Sahribulan Sri Astuty