Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Josef Komárek"'
Publikováno v:
The Scientific World Journal, Vol 2012 (2012)
Tetramethylene dithiocarbamate (TMDTC), diethyldithiocarbamate (DEDTC), and thiourea were investigated as stabilizing agents for calibration purposes in the determination of mercury using solid sampling electrothermal atomic absorption spectrometry (
Externí odkaz:
https://doaj.org/article/9f9b43641b9c46a88597ba9441154f11
Publikováno v:
Human and Ecological Risk Assessment: An International Journal. 26:2189-2202
Soils formerly contaminated with mercury due to the implementation of amalgamation processes at two localities in the Czech Republic were analyzed to assess the impact of such contamination on both...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f28438babc79a0411598d55819a6eb61
https://doi.org/10.1080/10807039.2019.1660848
https://doi.org/10.1080/10807039.2019.1660848
Publikováno v:
Environmental Monitoring and Assessment. 192
The determination of trace metal contents directly from a solid sample is a trend in modern atomic spectrometry. The aim of this study was to develop an analytical method for the routine determination of Cd in lichens using solid sampling graphite fu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::830a119d56a41a27d19d2cebd98ec00f
https://doi.org/10.1007/s10661-020-8186-5
https://doi.org/10.1007/s10661-020-8186-5
Autor:
Jindřich Hladil, Lukáš Krmíček, Natália Meszarosová, Pavel Coufalík, Josef Komárek, Ondřej Zvěřina
Publikováno v:
Bulletin of Environmental Contamination and Toxicology. 101:549-553
Volcanic activity is one of the primary sources of mercury in the earth's ecosystem. In this work, volcanic rocks from four geotectonically distinct localities (the Czech Republic - intraplate, rift-related alkaline basaltic rocks; Iceland - hotspot/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac22f0e9720ae8665a4b2137a1f9ab44
https://doi.org/10.1007/s00128-018-2430-5
https://doi.org/10.1007/s00128-018-2430-5
Publikováno v:
Microchemical Journal. 140:8-13
Since methylmercury is a highly toxic compound, there is undoubtedly a need for the monitoring of methylmercury in the ecosystem. However, its isolation from the organic matrix using an appropriate analytical procedure and sensitive detection techniq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed3e96c08b2a3ab31554d8006de29dc8
https://doi.org/10.1016/j.microc.2018.03.040
https://doi.org/10.1016/j.microc.2018.03.040
Autor:
Barbora Drtinová, Rostislav Červenka, Jan Kameník, Jiřina Sysalová, Jan Kučera, Ondřej Zvěřina, Josef Komárek
Publikováno v:
Science of The Total Environment. :1032-1039
Total mercury (T-Hg), elemental mercury (Hg0), methylmercury (MeHg+), phenylmercury (PhHg+), and gaseous elemental mercury (GEM) species were determined in soils formerly contaminated by different processes from two sites in the Czech Republic. Analy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d033e1bb3798d94c0a983d306bfb1359
https://doi.org/10.1016/j.scitotenv.2017.01.157
https://doi.org/10.1016/j.scitotenv.2017.01.157
Autor:
Petra Prochazková, Kateřina Skácelová, Kateřina Trnková, Daniel Nývlt, Josef Komárek, Ondřej Zvěřina, Pavel Coufalík
Publikováno v:
Polish Polar Research, Vol 37, Iss 4, Pp 477-491 (2016)
The lakes and watercourses are habitats for various communities of cyanobacteria and algae, which are among the few primary producers in Antarctica. The amount of nutrients in the mineral-poor Antarctic environment is a limiting factor for the growth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1094d0204e7e50821c585387bfafbc8
http://www.degruyter.com/view/j/popore.2016.37.issue-4/popore-2016-0025/popore-2016-0025.xml?format=INT
http://www.degruyter.com/view/j/popore.2016.37.issue-4/popore-2016-0025/popore-2016-0025.xml?format=INT
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 118:1-5
This research was aimed at the direct determination of HgS in environmental samples by means of thermal desorption coupled with atomic absorption spectrometry. Operating parameters of the apparatus used for thermal desorption (including a prototype d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e5f05ef5291476e4bc22736069001d5
https://doi.org/10.1016/j.sab.2016.01.004
https://doi.org/10.1016/j.sab.2016.01.004
Publikováno v:
Environmental Monitoring and Assessment. 190
Lichens are efficient and cost-effective biomonitors of the environment. Their geographic distribution together with their slow growth rate enable investigation of the deposition patterns of various elements and substances. In this research, levels o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dde6ee5c2f78c9f439a27d115595ed9
https://doi.org/10.1007/s10661-017-6397-1
https://doi.org/10.1007/s10661-017-6397-1
Publikováno v:
Antarctic Science. 27:281-290
Polar regions represent a unique environment for the study of mercury cycling in the global ecosystem. Our research was focused on the assessment of the origin and mobility of mercury in the geochemical cycle in Maritime Antarctic (James Ross Island)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f697d91ae3f6c15063515937e605c13
https://doi.org/10.1017/s0954102014000819
https://doi.org/10.1017/s0954102014000819