Application of portable tungsten coil electrothermal atomic absorption spectrometer for the determination of trace cobalt after ultrasound-assisted rapidly synergistic cloud point extraction

2017 ◽  
Vol 130 ◽  
pp. 452-457 ◽  
Author(s):  
Luqiong Chen ◽  
Zirong Lei ◽  
Shengchun Yang ◽  
Xiaodong Wen
Keyword(s):  
Atomic Absorption ◽  
Cloud Point ◽  
Cloud Point Extraction ◽  
Atomic Absorption Spectrometer ◽  
Tungsten Coil ◽  
Ultrasound Assisted ◽  
Absorption Spectrometer

Determination of Cd in urine by cloud point extraction–tungsten coil atomic absorption spectrometry

Talanta ◽  
2008 ◽  
Vol 76 (5) ◽  
pp. 1252-1255 ◽  
Author(s):  
George L. Donati ◽  
Kathryn E. Pharr ◽  
Clifton P. Calloway Jr. ◽  
Joaquim A. Nóbrega ◽  
Bradley T. Jones
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Cloud Point ◽  
Cloud Point Extraction ◽  
Absorption Spectrometry ◽  
Tungsten Coil

Determination of Cadmium with a Portable, Battery-Powered Tungsten Coil Atomic Absorption Spectrometer

1998 ◽  
Vol 52 (8) ◽  
pp. 1086-1091 ◽  
Author(s):  
James D. Batchelor ◽  
Susan E. Thomas ◽  
Bradley T. Jones
Keyword(s):  
Atomic Absorption ◽  
Detection System ◽  
Stream Water ◽  
Sample Volume ◽  
Atomic Absorption Spectrometer ◽  
Laptop Computer ◽  
Relative Standard ◽  
Tungsten Coil ◽  
Absorption Spectrometer

A portable atomic absorption spectrometer is described that is powered by a 12 V car battery. The atomization device is a tungsten coil extracted from a common projector lamp bulb. The coil is housed in a glass cell, and the atomization environment is purged with 10% H2 in Ar (available as a standard commercial welding gas) to prevent oxidation. The detection system is a miniature charge-coupled device (CCD) spectrometer mounted on a PC board. The device is controlled by a laptop computer. Background correction measurements are performed by the near-line method. Aqueous standard solutions provide a Cd detection limit of 3 μg/L (60 pg) for a 20 μL sample volume. Accuracies for the determination of Cd in urine, soil, and stream water are typically better than 90%, with relative standard deviations in the 10% range.

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