J. Siepak

ORCID: 0000-0002-3717-9820
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Research Areas
  • Integrated Water Resources Management
  • Heavy metals in environment
  • Geology and Environmental Impact Studies
  • Mercury impact and mitigation studies
  • Analytical chemistry methods development
  • Toxic Organic Pollutants Impact
  • Waste Management and Environmental Impact
  • Botany and Plant Ecology Studies
  • Water Quality and Pollution Assessment
  • Aluminum toxicity and tolerance in plants and animals
  • Chemical Synthesis and Characterization
  • Radioactivity and Radon Measurements
  • Electrochemical Analysis and Applications
  • Groundwater and Isotope Geochemistry
  • Structural Engineering and Materials Analysis
  • Organophosphorus compounds synthesis
  • Chemical Analysis and Environmental Impact
  • Water Quality Monitoring and Analysis
  • earthquake and tectonic studies
  • Geochemistry and Geologic Mapping
  • Air Quality and Health Impacts
  • Analytical Chemistry and Chromatography
  • Nutrition and Health Studies
  • Coal and Its By-products
  • Mechanical Engineering Research and Applications

Institute of Environmental Engineering
2020

Hipolit Cegielski State University of Applied Sciences in Gniezno
2015-2020

Adam Mickiewicz University in Poznań
2006-2015

Institute of Environmental Protection
2015

The paper presents the results of aluminium determinations in ground water samples Miocene aquifer from area city Poznań (Poland). determined content amounted <0.0001 to 752.7 $\upmu $ g L − 1. were performed using three analytical techniques: graphite furnace atomic absorption spectrometry (GF-AAS), inductively coupled plasma emission (ICP-AES) and mass (ICP-MS). groundwater for particular techniques compared. used identify ascent Mesozoic fault graben. Using Mineql+ program, modelling...

10.1007/s10661-010-1859-8 article EN cc-by-nc Environmental Monitoring and Assessment 2011-01-18

This work presents the first results from winter field campaigns focusing on trace metals and metalloid chemistry in snow cover an urbanized region central Poland. Samples were collected between January March 2013 element concentrations determined using GF-AAS. A large inter-seasonal variability depending anthropogenic emission, depositional processes, meteorological conditions was observed. The highest concentration (in μg L−1) reported for Pb (34.90), followed by Ni (31.37), Zn (31.00), Cu...

10.1007/s10661-015-4446-1 article EN cc-by Environmental Monitoring and Assessment 2015-04-03

Spatial and temporal variability of carbon species in rainwater (bulk deposition) was studied for the first time at two sites located urban area Poznań City protected woodland (Jeziory), central Poland, between April December 2013. The mean concentration total (TC) site 5.86 mg L(-1), whereas second, 5.21 L(-1). Dissolved organic (DOC) accounted for, on average, 87 91 % precipitation non-urban sites, respectively. Significant changes TC concentrations were observed both indicating that...

10.1007/s11356-015-4356-3 article EN cc-by Environmental Science and Pollution Research 2015-03-20

Particulate mercury concentrations were investigated during intensive field campaigns at the urban and forest sites in central Poland, between April 2013 October 2014. For first time, quantitative determination of total particulate coarse (PHg2.2) fine (PHg0.7) aerosol samples was conducted Poznań Jeziory. The fractions amounted to <MDL ± 77.1 pg m−3 604.9 m−3, respectively. Aerosol collected whole study period showed statistically significant differences for concentrations. A strong impact...

10.1007/s11356-015-5476-5 article EN cc-by Environmental Science and Pollution Research 2015-09-28

Abstract Vegetable oils belong to a large group of substances consumed on daily basis. World vegetable oil production is soaring, reducing the popularity animal fats. Heavy metals pose threat human health. It estimated that about 80% dose heavy enters body through consumption food. Hence, it necessary monitor their concentrations in food products. Besides, presence thought have possible negative influence quality oils, especially taste and smell. may also accelerate process rancidifiction...

10.1515/aep-2016-0029 article EN Archives of Environmental Protection 2016-09-01
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