Selenium Speciation of Soil/ Sediment Determined with Sequential Extractions and Hydride Generation Atomic Absorption Spectrophotometry

Speciation of Arsenic(W) and Arsenic(V) in Sediment Extracts by High-Performance liquid Chromatography-Hydride Generation Atomic Absorption Spectrophotometry

Inorganic Selenium and Tellurium Speciation in Aqueous Medium of Biological Samples

Basnayake, Rukma ST, Inorganic Selenium and Tellurium Speciation in Aqueous Medium of Biological Samples, Master of Science (Chemistry), December 2001, Sam Houston State University, Huntsville, Texas, 60 pp. Purpose The purpose of this research was to develop methods to study the ability of bacteria, Pseudomonas fluorescens K27 to detoxify tellurium and selenium salts by biotransformation proce...

Speciation Analysis of Arsenic, Antimony and Selenium in the Surface Waters of Poznari

This paper presents the results of arsenic, antimony and selenium analyses in the municipal water reservoirs of Poznan. The study concentrates on the discrimination of speciation forms of the determined elements by means of analytical procedures. A specially designed and optimized methodology of hydride generation atomic absorption spectrometry (HGAAS) was employed in the analyses. The limits o...

Atomic absorption spectrometric determination of selenium in human blood components.

We separated blood from five healthy blood donors into plasma, erythrocytes, platelets, and leukocytes; counted the number of cells in each fraction; and determined the selenium content of each component by hydride generation atomic absorption spectrometry. The mean (+/- SD) selenium concentrations and amounts measured were as follows: whole blood 102.3 +/- 16.1 micrograms/L, plasma 76.9 +/- 10...

Arsenic determination in marine sediment using ultrasound for sample preparation.

This work deals with As determination in marine sediment using ultrasound for sample preparation. It is shown that As can be quantitatively extracted from marine sediment using 20% (v/v) HCl and sonication. The slurry is centrifuged and the analyte is determined in the supernatant by hydride generation atomic absorption spectrometry (HG AAS). A flow injection (FI) system is employed for hydride...