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Organometallic compounds are widely used in almost all sectors of industry. As a result of emissions from natural and anthropogenic sources they are released to the environment, where they undergo a variety of conversions and interactions. Some organometallic compounds exhibit high toxicity. Organometallic compounds of mercury, tin, lead, selenium and arsenic are among the most common and hazardous...
The aim of the study was to determine serum essential trace, macro and industrial element levels of Angora goats according to breed and age differences. Clinically healthy (ages 2-3 and 4-5) female Angora goats of two different breeds (Eskisehir and Lalahan) were used as material at the Lalahan Livestock Research Institute. Serum aluminum (Al), arsenic (As), boron (B), barium (Ba), cobalt (Co), chromium...
Flow-through coulometry was used for the determination of arsenic in soil extracts in 2 mol.dm-3 HCl solution. Arsenic(III) species were deposited on gold plated porous working electrodes and then galvanostatically stripped. The procedure was optimized and possible interferences were identified. The total As content was determined after a reduction step in a microwave oven with hydrazine hydrochloride...
This paper presents results of the determination of the total concentration of arsenic, antimony and selenium and their inorganic speciation forms in water samples from grate ashes dumping grounds. Determined concentrations of elements were up to 128.8 ng/mL for arsenic, 153.7 ng/mL for antimony and 52.9 ng/mL for selenium, at the detection limits of 0.16 ng/mL for As, 0.18 ng/mL for Sb and 0.15 ng/mL...
This paper reports determination of arsenic, antimony and selenium in different matrices using atomic absorption spectrometry, with atomisation in a graphite tube and with generation of hydrides. The actual state of atomic absorption spectrometry as the method of determining As, Sb and Se is described on the basis of literature data. The effects of interference in determinations by atomic absorption...
This paper concerns quality assurance of arsenic determination in urine using the graphite furnace AAS method after toluene extraction. Obtained analytical results are used for validation and quality assurance purposes. The investigated urine samples were acquired from the workers of a large coal-fired Slovak power plant. In the proposed analytical method the following metrological characteristics...
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