Article

Determination of inorganic arsenic species As(III) and As(V) by high performance liquid chromatography with hydride generation atomic absorption spectrometry detection

Central European Journal of Chemistry (impact factor: 1.07). 01/2004; 2(1):82-90. DOI:10.2478/BF02476185 pp.82-90

ABSTRACT The paper presents the principles and advantages of a technique combining high performance liquid chromatography and hydride
generation atomic absorption spectrometry (HPLC-HGAAS) applied to speciation analysis of inorganic species of arsenic As(III)
and As(V) in ground water samples. With separation of the arsenic species on an ion-exchange column in the chromatographic
system and their detection by the hydride generation atomic absorption spectrometry, the separation of the analytical signals
of the arsenic species was excellent at the limits of determination of 1.5 ng/ml As(III) and 2.2 ng/ml As(V) and RSD of 4.3%
and 7.8% for the concentration of 25 ng/ml. The hyphenated technique has been applied for determination of arsenic in polluted
ground water in the course of the study on migration of micropollutants. For total arsenic concentration two independent methods:
HGICP-OES and HGAAS were used for comparison of results of real samples analysis.

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Keywords

advantages
 
analytical signals
 
arsenic species
 
ground water samples
 
HGICP-OES
 
hydride generation atomic absorption spectrometry
 
inorganic species
 
ion-exchange column
 
paper presents
 
performance liquid chromatography
 
real samples analysis
 
speciation analysis
 
total arsenic concentration