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1

Liquid phase separator with chromatographic column

Martin Mikita, Peter Tölgyessy, Peter Hrivňák

Journal:

Journal of Chromatography A

Year:

2004

Language:

english

File:

PDF, 86 KB

english, 2004

2

Analysis of volatiles in water using headspace solid-phase microcolumn extraction

Peter Tölgyessy, Ján Hrivňák

Journal:

Journal of Chromatography A

Year:

2006

Language:

english

File:

PDF, 162 KB

english, 2006

3

On-column injection system for use of large diameter inside needle capillary adsorption trap devices

Ján Hrivňák, Peter Tölgyessy, Eva Kráľovičová

Journal:

Journal of Chromatography A

Year:

2009

Language:

english

File:

PDF, 167 KB

english, 2009

4

The Importance of Local and Regional Factors on the Vegetation of Created Wetlands in Central Europe

Marek Svitok, Richard Hrivnák, Helena Oťaheľová, Daniela Dúbravková, Peter Paľove-Balang, Vladimír Slobodník

Journal:

Year:

2011

Language:

english

File:

PDF, 394 KB

english, 2011

5

Large Volume Headspace Analysis Using Solid-Phase Microcolumn Extraction

Peter Tölgyessy, Branislav Vrana, Ján Hrivňák

Journal:

Chromatographia

Year:

2007

Language:

english

File:

PDF, 282 KB

english, 2007

6

A Solid-Phase Microcolumn Extraction Method for the Analysis of Acetic Acid and Furfural Emitted from Paper

Ján Hrivňák, Peter Tölgyessy, Soňa Figedyová, Svetozár Katuščák

Journal:

Chromatographia

Year:

2009

Language:

english

File:

PDF, 272 KB

english, 2009

7

Improved On-Column Injection System and Large Volume Needle Trap Device Used in Water Headspace Analysis

Peter Tölgyessy, Ján Hrivňák, Eva Král’ovičová, Danica Barloková

Journal:

Chromatographia

Year:

2010

Language:

english

File:

PDF, 236 KB

english, 2010

8

Solid-phase microcolumn extraction and gas chromatography–mass spectrometry identification of volatile organic compounds emitted by paper

Ján Hrivňák, Peter Tölgyessy, Soňa Figedyová, Svetozár Katuščák

Journal:

Year:

2009

Language:

english

File:

PDF, 418 KB

english, 2009

9

Environmental effects on species richness of macrophytes in Slovak streams

Richard Hrivnák, Helena Oťheľová, Dušan Gömöry, Milan Valachovič, Peter Paľove-Balang

Journal:

Central European Journal of Biology

Year:

2012

Language:

english

File:

PDF, 498 KB

english, 2012

10

Environmental thresholds and predictors of macrophyte species richness in aquatic habitats in central Europe

Svitok, Marek, Hrivnák, Richard, Kochjarová, Judita, Oťaheľová, Helena, Paľove-Balang, Peter

Journal:

Folia Geobotanica

Year:

2016

Language:

english

File:

PDF, 881 KB

english, 2016

11

Ponds and their catchments: size relationships and influence of land use across multiple spatial scales

Novikmec, Milan, Hamerlík, Ladislav, Kočický, Dušan, Hrivnák, Richard, Kochjarová, Judita, Oťaheľová, Helena, Paľove-Balang, Peter, Svitok, Marek

Journal:

Year:

2016

Language:

english

File:

PDF, 2.57 MB

english, 2016

12

Effect of environmental variables on the aquatic macrophyte composition pattern in streams: a case study from Slovakia

Hrivnák, Richard, Ot'ahel'ová, Helena, Valachovič, Milan, Pal'ove-Balang, Peter, Kubinská, Anna

Journal:

Fundamental and Applied Limnology / Archiv für Hydrobiologie

Year:

2010

Language:

english

File:

PDF, 227 KB

english, 2010

13

The Relationship between Macrophyte Assemblages and Selected Environmental Variables in Reservoirs of Slovakia Examined for the Purpose of Ecological Assessment

Baláži, Peter, Hrivnák, Richard, Ot'ahelová, Helena

Journal:

Polish Journal of Ecology

Year:

2014

Language:

english

File:

PDF, 968 KB

english, 2014

14

Environmental effects on macrophyte assemblages of small and medium-sized rivers in two bioregions of Central Europe

Baláži, Peter, Hrivnák, Richard

Journal:

Year:

2017

Language:

english

File:

PDF, 1.70 MB

english, 2017

15

Environmental drivers of macrophyte species richness in artificial and natural aquatic water bodies – comparative approach from two central European regions

Hrivnák, Richard, Kochjarová, Judita, Oťaheľová, Helena, Paľove-Balang, Peter, Slezák, Michal, Slezák, Peter

Journal:

Annales de Limnologie - International Journal of Limnology

Year:

2014

Language:

english

File:

PDF, 375 KB

english, 2014

16

Analysis of Unmetabolized VOCs in Urine by Headspace Solid-Phase Microcolumn Extraction

Hrivnák, Ján, Král'ovicová, Eva, Tölgyessy, Peter, Ilavsky, Ján

Journal:

Journal of Occupational Health

Year:

2009

Language:

english

File:

PDF, 164 KB

english, 2009

17

Test of the efficiency of environmental surrogates for the conservation prioritization of ponds based on macrophytes

Svitok, Marek, Novikmec, Milan, Hamerlík, Ladislav, Kochjarová, Judita, Oťaheľová, Helena, Paľove-Balang, Peter, Senko, Dušan, Matúšová, Zuzana, Bubíková, Kateřina, Hrivnák, Richard

Journal:

Ecological Indicators

Year:

2018

Language:

english

File:

PDF, 830 KB

english, 2018

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