Wyniki wyszukiwania dla: SURFACE WATER SAMPLES.

• Determination of selected parameters/ analytes in surface water samples collected in the surroundings of the capital of Spitsbergen (Longyearbyen)

  Publikacja

  • R. Marek
  • M. Ciepły
  • Ż. Polkowska

  - AIP Conference Proceedings - Rok 2019

  Polar regions are extremely sensitive to pollution such as harmful gases, particles or toxic substances which affect the Arctic climate and ecosystems. Spitsbergen, as well as all Arctic region, because of its geographically distant location and lack of industry sector, should be free of chemical pollution. Despite this, many pollutants could be found in the Polar environment, for example in freshwaters. Their occurrence is related...

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• A solid phase extraction–ion chromatography with conductivity detection procedure for determining cationic surfactants in surface water samples

  Publikacja

  • E. Olkowska
  • Ż. Polkowska
  • J. Namieśnik

  - TALANTA.The International Journal of Pure and Applied Analytical Chemistry - Rok 2013

  A new analytical procedure for the simultaneous determination of individual cationic surfactants (alkyl benzyl dimethyl ammonium chlorides) in surface water samples has been developed. We describe this methodology for the first time: it involves the application of solid phase extraction (SPE – for sample preparation) coupled with ion chromatography–conductivity detection (IC-CD – for the final determination). Mean recoveries of...

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• Determination of selected chemical parameters in surface water samples collected from the Revelva catchment (Hornsund fjord, Svalbard)

  Publikacja

  • K. Kosek
  • Ż. Polkowska

  - MONATSHEFTE FUR CHEMIE - Rok 2016

  Surface water samples (river and lake) were collected from the Revelva catchment every summer from 2010 to 2013. This study concerns importance of the use of some analytical techniques for pollutants and parameters deter- mination in Arctic environmental samples based on the example of total organic carbon, phenols, and formaldehyde determination and measurement of pH and electrical conductivity parameters. Significant...

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• Preservation and Storage of Water Samples

  Publikacja

  • M. Biziuk
  • A. Beyer
  • J. Żukowska

  - Rok 2009

  Opisano metody utrwalania i przechowywanie próbek wody w celu oznaczenia zwiazków nieorganicznych, przedyskutowano wady i zalety poszczególnych metod. Omówiono utrwalanie i przechowywanie próbek wody przed wykonaniem analizy specjacyjnej związków arsenu, chromu, rteci, selenu i cyny. Omówiono również utrwalanie i przechowywanie próbek wody przy oznaczaniu związków organicznych.

• Preservation and storage of water samples

  Publikacja

  • M. Śliwka-Kaszyńska
  • A. Kot-Wasik
  • J. Namieśnik

  - CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY - Rok 2003

  Od momentu pobrania próbki do wykonania tej analizy wody mogą zmieniać swoje właściwości na skutek zachodzących w nich procesów chemicznych, fizycznych, czy też biologicznych. W pracy omówiono zmiany mogące zachodzić w próbkach wodnych oraz przyczyny ich występowania. Szczególną uwagę zwrócono na reakcje chemiczne, procesy fizykochemiczne, reakcje biochemiczne i fotochemiczne. Przedstawiono również techniki konserwacji próbek wód...

• Analytics of airport runoff water samples

  Publikacja

  • A. Sulej-Suchomska

  - Rok 2011

  The everyday activities at airports, such as aircraft and ground vehicle washing, cleaning, de/anti-icing operations, fuelling, and fuel combustion, removing weeds are the main sources of airport industrial wastes. Runoff waters from airport areas constitute a serious environmental problem as they contribute to air, water, and soil pollution. The paper supplies general information on the technologies for treating airport runoff...

• Determination of organophosphorus and organonitrogen pesticides in water samples

  Publikacja

  • M. Tankiewicz
  • J. Fenik
  • M. Biziuk

  - TRAC-TRENDS IN ANALYTICAL CHEMISTRY - Rok 2010

  Pesticides are among the most dangerous environmental pollutants because of their stability, mobility and long-term effects on living organisms. Their presence in sources of drinking water, essential to life, is a particular danger. In water, these compounds can undergo transformations, leading to the production of substances of even greater toxicity. Legal regulations are in force, stipulating the highest permissible level of...

• Application of PSO-artificial neural network and response surface methodology for removal of methylene blue using silver nanoparticles from water samples

  Publikacja

  • M. Khajeh
  • M. Kaykhaii
  • A. Sharafi

  - JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY - Rok 2013

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• Review of the determination of modern used pesticides in water samples

  Publikacja

  • M. Tankiewicz
  • J. Fenik
  • M. Biziuk

  - Rok 2011

  The increasingly widespread application of pesticides causes that larger amounts of them are entering the environment. Their presence in sources of drinking water, essential to life, is a particular danger. For these reasons it is important to monitor and analyse pesticide residues in the environment. The analysis of environmental samples for the presence of pesticides is very difficult. Firstly, the processes involved in sample...

• Application of response surface methodology for silver nanoparticle stir bar sorptive extraction of heavy metals from drinking water samples: a Box–Behnken design

  Publikacja

  • S. Hashemi
  • M. Kaykhaii
  • A. Jamali
  • Z. Sajjadi
  • M. Mirmoghaddam

  - ANALYST - Rok 2019

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