A green chemical analysis of iron (III) in water sample using a smart phone

In this study, a smartphone was used as the photometer for determination of iron (III) by forming a complex with thiocyanate. After color formation at concentrations of, image capture with mobile phone, signal analysis of each sample was performed by the application and converted to the absorption n...

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Bibliographic Details
Published in:MethodsX 2024-06, Vol.12, p.102724-102724, Article 102724
Main Authors: Hassan, Jalal, Shermeh, Safdar Mehdizadeh, Koohi, Mohammad Kazem, Pourshaban-Shahrestani, Ali
Format: Article
Language:English
Subjects:
absorption
calibration
chemical analysis
Chemistry
color
Digital image
Green analysis
iron
Iron (III)
mobile telephones
photometers
Smartphone
thiocyanates
Water
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Summary:In this study, a smartphone was used as the photometer for determination of iron (III) by forming a complex with thiocyanate. After color formation at concentrations of, image capture with mobile phone, signal analysis of each sample was performed by the application and converted to the absorption number. The calibration curve was completely linear in the range of 10 to 80 mg L–1 used and the linear coefficient was better than 0.9833. The limits of detection (LOD) and quantification (LOQ) were 0.1 and 0.3 mg L–1, respectively. Finally, this method was successfully used to measure iron in real samples.•A smartphone was used for the determination of iron (III), showcasing its potential in color compound analysis.•The method demonstrated superior performance in terms of calibration curve range and measurement speed compared to traditional atomic absorption devices.•The technique was successfully applied in the measurement of iron in real samples, indicating its practical applicability. [Display omitted]
ISSN:2215-0161
2215-0161
DOI:10.1016/j.mex.2024.102724