Ultrasound assisted-cloud point extraction combined with flame atomic absorption spectrometry for selective preconcentration and determination of As(v) in selected water and beverage samples

2015 ◽  
Vol 7 (16) ◽  
pp. 6629-6639 ◽  
Author(s):  
Nail Altunay ◽  
Ramazan Gürkan ◽  
Ufuk Kır
Keyword(s):  
Detection Limit ◽  
Atomic Absorption Spectrometry ◽  
Flame Atomic Absorption Spectrometry ◽  
Cloud Point Extraction ◽  
Ion Association ◽  
Absorption Spectrometry ◽  
Beverage Samples ◽  
Flame Atomic Absorption ◽  
Ultrasound Assisted

A new UA-CPE method was efficiently combined with FAAS for detection of As(v). The method is based on the ion-association of As(v) with NRH+ in the presence of pyrogallol. A detection limit of 0.45 μg L-1 for As(v) was achieved.

Ultrasound-assisted cloud point extraction of manganese, zinc and tin from digested food samples for their determination by FAAS

2016 ◽  
Vol 8 (30) ◽  
pp. 5930-5939 ◽  
Author(s):  
Nail Altunay ◽  
Ramazan Gürkan ◽  
Sema Korkmaz
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Cloud Point ◽  
Flame Atomic Absorption Spectrometry ◽  
Cloud Point Extraction ◽  
Absorption Spectrometry ◽  
Food Samples ◽  
Manganese Zinc ◽  
Flame Atomic Absorption ◽  
Ultrasound Assisted

The current study is focused on the determination of the trace levels of manganese, zinc and tin in wet acid digested foods by flame atomic absorption spectrometry (FAAS) after preconcentration with ultrasound assisted-cloud point extraction (UA-CPE).

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