Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Nikolay Panichev"'
Publikováno v:
Fuel. 203:973-980
The mercury concentration in coal varies in a wide range with the world average (the Clarke value) of 100 ppb. Mercury in coal can be represented by various forms having different matrix binding energy that govern different properties and behavior bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e527b888a7aa31bfc7a56e3b40ff3452
https://doi.org/10.1016/j.fuel.2017.03.085
https://doi.org/10.1016/j.fuel.2017.03.085
Publikováno v:
Food Chemistry. 166:432-441
A Zeeman Mercury analyzer Model RA-915(+) (Lumex, St. Petersburg, Russia), based on the direct thermal evaporation of Hg from solid samples was used for developing a method for the determination of Hg in fish and other seafood. The method does not re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::610bf69882104535d89132237544ee19
https://doi.org/10.1016/j.foodchem.2014.06.032
https://doi.org/10.1016/j.foodchem.2014.06.032
Publikováno v:
Analytica Chimica Acta. 813:56-62
Silver (Ag) and gold (Au) nanoparticles impregnated in nylon membrane filters have been proposed as a new solid phase for preconcentration of mercury from natural waters. Water samples were treated with KMnO4 to convert all mercury species to inorgan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fd774c68544f3f4ee07697fcf5182da
https://doi.org/10.1016/j.aca.2014.01.011
https://doi.org/10.1016/j.aca.2014.01.011
Autor:
Abayneh A. Ambushe, Robert I. McCrindle, M. R. Abshiro, Bhagwan Singh Chandravanshi, Kebede Nigussie Mekonnen, Nikolay Panichev
Publikováno v:
Toxicological & Environmental Chemistry. 94:1678-1687
Sediment samples were collected from Tinishu Akaki River (TAR), Lake Awassa, and Lake Ziway, Ethiopia for determination of mercury. The air-dried samples were analyzed for mercury with a differential atomic absorption spectrometer after thermal evapo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb74abd3e3ccdf2a6726fc5a85fc8b9a
https://doi.org/10.1080/02772248.2012.728602
https://doi.org/10.1080/02772248.2012.728602
Publikováno v:
Food Chemistry. 129:1839-1843
Speciation analysis of black, green and herbal teas was carried out by treating the samples with 0.1 M Na2CO3 to determine total Cr(VI) and acid digestion (of tea samples in a microwave) was applied to determine the total chromium concentrations by g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::554cafc6a7143dfd44c4d123977c1078
https://doi.org/10.1016/j.foodchem.2011.05.124
https://doi.org/10.1016/j.foodchem.2011.05.124
Publikováno v:
Science of The Total Environment. 407:1211-1217
Mercury [Hg] emissions from old plant collections treated with mercuric chloride (HgCl(2)) may present a high health risk for staff working in certain herbaria. The present study evaluated Hg concentrations in ambient air, plant specimens and biologi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a23b842bf5d80a0895bf46ee939eaa6
https://doi.org/10.1016/j.scitotenv.2008.07.060
https://doi.org/10.1016/j.scitotenv.2008.07.060
Publikováno v:
Journal of Hazardous Materials. 153:937-941
The presence of Cr(VI) in soils and plants of remote unpolluted areas can be explained by partial oxidation of Cr(III) with atmospheric oxygen during seasonable bush fires, which are rather frequent event in South Africa. Experiments with thermal tre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::126bb03148dae56f7cdeeb6a4a28560a
https://doi.org/10.1016/j.jhazmat.2007.09.044
https://doi.org/10.1016/j.jhazmat.2007.09.044
Electrothermal atomic absorption spectrometric determination of Cr(VI) during ferrochrome production
Publikováno v:
Journal of Hazardous Materials. 145:511-514
The level of the generation of hexavalent chromium during ferrochrome production was checked. The concentration of Cr(VI) increases with each stage of ferrochrome production, 7070 μg g−1 being the highest concentration encountered in the last stag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8fbc8aead39d752d4de6bd66164dd8ad
https://doi.org/10.1016/j.jhazmat.2007.01.077
https://doi.org/10.1016/j.jhazmat.2007.01.077
Autor:
Lekgala A. Mampuru, Khakhathi L. Mandiwana, Nikolay Panichev, Prince Ngobeni, Makonga M. Kalumba
Publikováno v:
South African Journal of Chemistry; Vol 68 (2015); 57-60
South African Journal of Chemistry, Volume: 68, Pages: 57-60, Published: 2015
South African Journal of Chemistry, Volume: 68, Pages: 57-60, Published: 2015
A method for speciation of vanadium in solid samples was developed for quantification of vanadium(+5) in solid samples of sediment Certified Reference Materials (CRM) PACS-2 and MESS-3 (Trace Elements in Sediments) of known total vanadium content. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6158c14c94fa1b684edf68dfdfdfb13
https://www.ajol.info/index.php/sajc/article/view/122484
https://www.ajol.info/index.php/sajc/article/view/122484
Publikováno v:
Journal of Hazardous Materials. 137:649-653
The distribution of vanadium(V) species between soil and plants around the vanadium mine have been studied. The mine dam spilled water around this area after collapsing some time ago. V(V) species were determined by electrothermal atomic absorption s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6998739f7c35d3c44bb6194b2b92f6d2
https://doi.org/10.1016/j.jhazmat.2006.03.006
https://doi.org/10.1016/j.jhazmat.2006.03.006