An integrated quartz tube atom trap coupled with solid sampling electrothermal vapourization and its application to detect trace lead in food samples by atomic fluorescence spectrometry

2016 ◽  
Vol 31 (11) ◽  
pp. 2253-2260 ◽  
Author(s):  
Li Feng ◽  
Jixin Liu ◽  
Xuefei Mao ◽  
Dong Lu ◽  
Xiaofang Zhu ◽  
...  
Keyword(s):  
Food Samples ◽  
Electrical Heating ◽  
Fluorescence Spectrometry ◽  
Quartz Tube ◽  
Atomic Fluorescence Spectrometry ◽  
Solid Sampling ◽  
Two Stage ◽  
Atomic Fluorescence ◽  
Atom Trap ◽  
Heating Coils

A two-stage diameter-varied quartz tube (QT) consisting of a QT electrothermal vapourizer, a quartz tube atom trap (QTAT) and two separate Ni–Cr electrical heating coils was interfaced with atomic fluorescence spectrometry (AFS).

Sensitivity enhancement of inorganic arsenic analysis by in situ microplasma preconcentration coupled with liquid chromatography atomic fluorescence spectrometry

2020 ◽  
Vol 35 (8) ◽  
pp. 1654-1663 ◽  
Author(s):  
Zhenzhen Yao ◽  
Meitong Liu ◽  
Jixin Liu ◽  
Xuefei Mao ◽  
Xing Na ◽  
...  
Keyword(s):  
Liquid Chromatography ◽  
Hydride Generation ◽  
Inorganic Arsenic ◽  
Arsenic Species ◽  
Food Samples ◽  
Fluorescence Spectrometry ◽  
Atomic Fluorescence Spectrometry ◽  
Atomic Fluorescence ◽  
Inorganic Arsenic Species

A novel liquid chromatography hydride generation-in situ dielectric barrier discharge trap-atomic fluorescence spectrometry instrument was fabricated. It was used to preconcentrate inorganic arsenic species from food samples.

Direct determination of trace mercury and cadmium in food by sequential electrothermal vaporization atomic fluorescence spectrometry using tungsten and gold coil traps

2018 ◽  
Vol 33 (7) ◽  
pp. 1209-1216 ◽  
Author(s):  
Bo Wang ◽  
Li Feng ◽  
Xuefei Mao ◽  
Jixin Liu ◽  
Chongchong Yu ◽  
...  
Keyword(s):  
Temperature Difference ◽  
Direct Determination ◽  
Food Samples ◽  
Atomic Fluorescence Spectrometry ◽  
Solid Sampling ◽  
Electrothermal Vaporization ◽  
Atomic Fluorescence ◽  
Sequential Determination ◽  
Vaporization Temperature

On the basis of vaporization temperature difference, a novel solid sampling AFS was developed for the sequential determination of trace Hg and Cd in food samples.

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