Hyphenated liquid electrode glow discharge-dielectric barrier discharge molecular emission spectrometry for determination of dithiocarbamates
文献类型： 外文期刊
第一作者： Tian, Qiaoxia
作者： Tian, Qiaoxia;Wang, Meiran;Li, Haoyue;Huan, Zhibo;Wang, MingYue;Lin, Jingling;Han, Bingjun;Tian, Qiaoxia;Li, Haoyue;Li, Bei;Tian, Qiaoxia;Li, Haoyue
作者机构：
关键词： Dithiocarbamate; Carbon disulfide; Liquid electrode glow discharge; Dielectric barrier discharge; Hyphenated detector; Molecular emission spectrometry
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2023 年 429 卷
页码：
收录情况： SCI
摘要： A hyphenated liquid electrode glow discharge (LEGD)-dielectric barrier discharge (DBD) molecular emission spectrometer was constructed and used as a novel liquid chromatography (LC) detector for dithiocarbamates (DTC) determination. The LEGD was used as an acidolysis reactor for the in-situ transformation of DTCs into CS2 with high efficiencies of 74.11-97.98%. The DBD was used to excite CS2 gas to generate a specific molecular emission at 257.94 nm. The linear correlation coefficient of the method was > 0.99 from 1 to 200 mu g mL(-1). The detection limits ranged from 0.1 to 0.3 mu g mL(-1) with 76-119% recovery and relative standard deviations of 0.2-8.5%. Moreover, the hyphenated microplasma spectrometer achieved low power consumption, low temperature, immediate acidolysis, and high transformational efficiency, and can detect each DTC when combined with LC.
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