Combination of smartphone digital image colorimetry and UV-Vis spectrophotometry as detection systems with solidified floating organic drop microextraction as preconcentration method for the quantification of methyl red in wastewater samples

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Turkish Journal of Chemistry Pub Date : 2023-10-31 DOI:10.55730/1300-0527.3595

MİRAY BOMBOM, AYÇA GİRGİN, BUSE TUĞBA ZAMAN, FATMA TURAK, SEZGİN BAKIRDERE

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Abstract

. Abstract: In this study, a portable smartphone-based digital image colorimetric system (SDIC) was designed and integrated with a solidified floating organic drop microextraction method (SFODME) for the quantification of methyl red in textile wastewater samples. The RGB (red, green, and blue) data were evaluated for each captured image, and the green channel was selected for quantification due to its linear response for the analyte. Under optimal conditions, an acceptable linear range was recorded for the analyte. The proposed method recorded a limit of detection (LOD) value of 0.046 mg/L. The developed microextraction method was also combined with UV-Vis spectrophotometry, which recorded an LOD value of 0.012 mg/L. Real sample analysis was carried out with textile wastewater samples to check the applicability/accuracy of the developed method, using a matrix matching calibration strategy to enhance quantification accuracy. Satisfactory percent recoveries in the range of 93.3%–114.3% and 92%–92.7% were recorded for the SFODME-SDIC and SFODME-UV methods, respectively

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采用智能手机数字图像比色法与紫外可见分光光度法相结合的检测系统，以固化漂浮有机滴微萃取为预富集法定量测定废水样品中的甲基红

本研究设计了一种基于智能手机的便携式数字图像比色系统(SDIC)，并将其与固化漂浮有机滴微萃取法(SFODME)相结合，用于纺织废水样品中甲基红的定量分析。对每个捕获图像的RGB(红、绿、蓝)数据进行评估，由于绿色通道对分析物的线性响应，因此选择绿色通道进行量化。在最佳条件下，记录了分析物可接受的线性范围。该方法的检出限为0.046 mg/L。该方法与紫外可见分光光度法相结合，LOD值为0.012 mg/L。采用矩阵匹配校准策略对纺织废水样品进行了实际样品分析，以验证所开发方法的适用性/准确性，以提高定量精度。SFODME-SDIC法和SFODME-UV法的回收率分别为93.3% ~ 114.3%和92% ~ 92.7%。

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来源期刊

Turkish Journal of Chemistry 化学-工程：化工

CiteScore

2.40

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： The Turkish Journal of Chemistry is a bimonthly multidisciplinary journal published by the Scientific and Technological Research Council of Turkey (TÜBİTAK). The journal is dedicated to dissemination of knowledge in all disciplines of chemistry (organic, inorganic, physical, polymeric, technical, theoretical and analytical chemistry) as well as research at the interface with other sciences especially in chemical engineering where molecular aspects are key to the findings. The journal accepts English-language original manuscripts and contribution is open to researchers of all nationalities. The journal publishes refereed original papers, reviews, letters to editor and issues devoted to special fields. All manuscripts are peer-reviewed and electronic processing ensures accurate reproduction of text and data, plus publication times as short as possible.