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A colorimetric chemosensor for sulfide in a near-perfect aqueous solution: practical application using a test kit

机译:用于近乎完美的水溶液中硫化物的比色测量传感器:使用测试套件的实际应用

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A new highly selective colorimetric chemosensor 1 N ′1-(( E )-2,3-dihydroxybenzylidene)- N ′2-(( Z )-2,3-dihydroxybenzylidene)oxalohydrazide for S ~(2?) was designed and synthesized. The sensor 1 showed a selective colorimetric sensing ability toward S ~(2?) by changing color from colorless to yellow in a near-perfect aqueous solution. To understand the sensing mechanism of 1 with S ~(2?) , UV-vis spectroscopy, ESI-mass spectroscopy analysis and DFT calculations were carried out. Practically, sensor 1 functioned as a visible test strip for S ~(2?) . Moreover, the sensing ability of 1 for S ~(2?) was successfully applied in real water samples. Therefore, sensor 1 could be a good alternative method for onsite and real time screening of S ~(2?) .
机译:设计并合成了一种新的高度选择性比色测量体1N'1 - ((e)-2,3-二羟基苄基二苯并二亚羟基苄基二羟基苄基二羟基苄基二苯基苄基) 。传感器1通过在近乎完美的水溶液中改变颜色从无色至黄色的颜色改变颜色,传感器1显示了S〜(2?)的选择性色度感测能力。为了了解具有S〜(2?),UV-Vis光谱,ESI质谱分析和DFT计算的传感机制。实际上,传感器1用作S〜(2?)的可见测试条。此外,S〜(2?)的感测能力成功地应用于实际水样中。因此,传感器1可以是用于现场和实时筛选S〜(2?)的良好替代方法。

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