10 results match your criteria: "Institute of Environmental Engineering of Polish Academy of Sciences[Affiliation]"

This study investigates heavy metal contamination in soils, irrigation water, and agricultural produce (fruits: (grape), (melon), and (watermelon); vegetables: L. (tomato), (zucchini), (carrot), (lettuce), (potato), and L. (green pepper)) in the Boumerdes region of Algeria.

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The study investigates the potential of technology-critical elements (TCEs) in the bottom sediments of the Biała Przemsza River as indicators of anthropogenic activities. The mass fractions of TCEs: Ge, Ga, In, Tl, Sb and Te (and other elements) in the sediment were analysed by inductively coupled plasma mass spectrometry with the maximum mass fractions: 2.46, 25.

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Ion Chromatography and Related Techniques in Carbohydrate Analysis: A Review.

Molecules

July 2024

Institute of Chemistry, Faculty of Science & Technology, Jan Dlugosz University in Czestochowa, 42-200 Częstochowa, Poland.

Ion chromatography and related techniques have been the most popular separation methods used in the determination of organic and inorganic anions and cations, predominantly in water and wastewater samples. Making progress in their development and introducing new stationary phases, methods of detection and preparation of samples for analyses have given rise to the broadening of their analytical range. Nowadays, they are also used for substances that are not ionic by nature but can convert to such forms under certain conditions.

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Among all known compounds with herbicide activity glyphosate, has been the most commercially successful one. Currently, it is under evaluation because of its possible cancerogenic properties. However, the question is-if it is possible to completely withdraw it from use.

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Pollution of surface waters from anthropogenic activities is a global problem, affecting natural ecosystems, having a large impact on the life and health of living organisms. The development of mining and metallurgic industries of Pb and Zn ores in the Biała Przemsza cachment area has had a strong influence on the surface waters and suspended solids. This paper proposes the use of selected critical elements such as Tl, Te, Ga, Ge and In as indicators of anthropogenic pollution of surface waters and suspended solids on the example of the Biała Przemsza River.

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The aim of this study was to determine if altered levels of selected trace elements manifest themselves during chronic depression. To identify elements strongly associated with chronic depression, relationships between the elemental contents of hair and nails and the interelement correlations were checked. Inductively coupled plasma mass spectrometry and ion chromatography were used to evaluate the contents of Zn, Cu, Co, Pb, Mn, and Fe in hair and nail samples from a total of 415 subjects (295 patients and 120 healthy volunteers).

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Ion chromatography is a well-established regulatory method for analyzing anions and cations in environmental, food and many other samples. It offers an enormous range of possibilities for selecting stationary and mobile phases. Additionally, it usually helps to solve various separation problems, particularly when it is combined with different detection techniques.

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The optimization of methodology for determination and extraction of inorganic ionic As(III)/As(V), Cr(III)/Cr(VI) and Sb(III)/Sb(V) forms in water and easily-leached fractions of bottom sediments by HPLC-ICP-MS were studied. In paper total concentration of As, Cr, Sb, pH and redox potential were determined. Ions were successfully separated on Dionex IonPac AS7: As(III), As(V), Sb(III), Sb(V) and Dionex IonPac AG7: Cr(III), Cr(VI) with LOD 0.

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Environmental analytics is one of the most important applications of ion chromatography. It includes determination of ions in water and wastewater as well as in gaseous and solid ones. Nowadays, ion chromatography has almost completely displaced the classical methods of ion determination in these areas.

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This paper describes the application of the method of post-column derivatization with triiodide and UV detection at 352 nm for the determination of bromate in drinking water, mineral water and swimming pool water samples. Optimized analytical conditions were further validated in terms of accuracy, precision, linearity, limit of detection and limit of quantification. The method detection limit was at the level of 0.

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