水杨基氟酮络合荧光法检测痕量锡（II）

IF 0.8 4区化学 Q4 SPECTROSCOPY

Spectroscopy Pub Date : 2024-02-01 DOI:10.56530/spectroscopy.vo9072g8

Han Feng, Sheng Li

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引用次数: 0

摘要

以Sn(Ⅱ)-水杨酰荧光素（SAF）-十六烷基三甲基溴化铵（CTMAB）体系为基础，采用络合荧光法检测Sn(Ⅱ)。通过探索最佳反应条件，建立了该方法，并讨论了可能的反应机理。结果表明，在 0~0.40 µg/mL 范围内，Sn(Ⅱ)的浓度与体系的荧光强度呈良好的线性关系。线性回归方程为 ΔF = - 7.457 + 715.286ρ (µg/mL)，线性关系良好；相关系数为 0.9976，方法的检出限为 0.0764 µg/mL。在合成水样、实验室废水和菠萝罐头中检测Sn(Ⅱ)时，回收率分别为95.83%、104.17%和100.0%，结果良好。

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Detection of Trace Tin(II) by Salicylfluoroketone Complex Fluorescence Method

Based on the Sn(II)-salicylfluorescein (SAF)-cetyltrimethylammonium bromide (CTMAB) system, the complex fluorescence method was used to detect Sn(Ⅱ). The method was established by exploring the optimal reaction conditions, and the possible reaction mechanism was discussed. The results showed that the concentration of Sn(Ⅱ) had a good linear relationship with the fluorescence intensity of the system in the range of 0~0.40 µg/mL. The linear regression equation is ΔF = - 7.457 + 715.286ρ (µg/mL), which had a good linearity; the correlation coefficient is 0.9976, and the detection limit of the method was 0.0764 µg/mL. In the detection of Sn(Ⅱ) in synthetic water samples, laboratory wastewater, and canned pineapples, the recovery rates were 95.83%, 104.17%, and 100.0%, which showed good results.

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来源期刊

Spectroscopy 物理-光谱学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Spectroscopy welcomes manuscripts that describe techniques and applications of all forms of spectroscopy and that are of immediate interest to users in industry, academia, and government.