Activated carbon-modified knotted reactor coupled to electrothermal atomic absorption spectrometry for sensitive determination of arsenic species in medicinal herbs and tea infusions

2015 ◽  
Vol 103-104 ◽  
pp. 49-56 ◽  
Author(s):  
Alexander Castro Grijalba ◽  
Estefanía M. Martinis ◽  
Gustavo E. Lascalea ◽  
Rodolfo G. Wuilloud
Keyword(s):  
Activated Carbon ◽  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Electrothermal Atomic Absorption Spectrometry ◽  
Absorption Spectrometry ◽  
Arsenic Species ◽  
Medicinal Herbs ◽  
Tea Infusions ◽  
Sensitive Determination

Microcrystalline cellulose for the dispersive solid-phase microextraction and sensitive determination of chromium in water using electrothermal atomic absorption spectrometry

2018 ◽  
Vol 33 (9) ◽  
pp. 1529-1535 ◽  
Author(s):  
Ignacio López-García ◽  
Juan José Marín-Hernández ◽  
Manuel Hernández-Córdoba
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Electrothermal Atomic Absorption Spectrometry ◽  
Absorption Spectrometry ◽  
Chromium Speciation ◽  
Sensitive Determination ◽  
Low Levels

The use of non-expensive, commercial cellulose together with a cloud extraction stage facilitates chromium speciation at very low levels by electrothermal atomic absorption spectrometry.

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