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Featured researches published by Gerald Kuhnt.


Chemosphere | 1995

Detection and determination limits of priority organic pollutants in soil

Konstantin Terytze; Werner Kördel; R. Aldag; J. Hanel; D. Hein; E. Keller; M. Klein; Gerald Kuhnt; U. Müller-Wegener; I. Scheunert; M. Schmidt; M. Spiteller; K.Th. von der Trenck

Abstract At present, the situation regarding data on concentration patterns in soils of areas with background contaminations are insufficient. For soil protection these data are essential for deriving reference values. Therefore the article presents and interprets detection and determination limits for a selection of priority organic pollutants in soils. Based on these results determination limits for the determination of background values for larger areas are proposed. Background values for organic contaminants in not specifically polluted soils and groundwaters may be very low with extreme demands on chemical analysis. In case of sampling from larger areas therefore a compromise has to be found between what is possible with great technical effort and what is requested and desirable for soil and groundwater protection.


Archive | 1995

Long-term Fate of Pesticides in Soil

Gerald Kuhnt

The history of pesticide production and application covers more than one century. Before the Second World War, most of the pesticides were based upon the extremely toxic effects of some heavy metals such as lead, arsenic, mercury, or natural substances like pyrethrum or nicotine. Due to their well-known toxicity, however, they were only used in comparably low quantities for special purposes (cf. Ruhnau et al. 1991).


Archive | 1988

Regional repräsentative Auswahl der Böden für eine Umweltprobenbank — exemplarische Untersuchung am Beispiel der Bundesrepublik Deutschland

O. Fränzle; Gerald Kuhnt

Das anwendungsbezogene Ziel der Untersuchung ist die Bestimmung derjenigen Bodenproben, welche zur Dokumentation der Boden der Bundesrepublik Deutschland in Umweltprobenbanken einzulagern sind. Zu diesem Zweck wurde ein auch auserhalb der Bundesrepublik Deutschland anwendbares Verfahren erarbeitet, welches die Identifizierung haufigkeitsstatistisch und regional reprasentativer Probenahmeorte innerhalb eines differenzierten Areals auf der Grundlage EDV-gestutzter Kartenauswertungen ermoglicht. Die Gewahrleistung einer hochstmoglichen Reprasentanz bei gleichzeitiger Minimierung des Probenanfalls wird dabei wegen des hohen Analyseaufwandes und der limitierten Einlagerungskapazitat der Probenbanken in den Vordergrund gestellt.


Environmental Toxicology and Chemistry | 1993

Behavior and fate of surfactants in soil

Gerald Kuhnt


Trends in Analytical Chemistry | 2009

The reference-matrix concept applied to chemical testing of soils

Werner Kördel; Willie J.G.M. Peijnenburg; Christoph Lorenz Klein; Gerald Kuhnt; Bernd M. Bussian; Bernd M. Gawlik


Land Degradation & Development | 1993

Assessment of pollution of groundwater by atrazine

Gerald Kuhnt; O. Fränzle


Wasser und Abfall | 2005

Das RefeSol-Projekt : Grundlagen eines deutschen Referenzbodensystems

Bernd M. Bussian; Werner Kördel; Gerald Kuhnt; Silke Ohnesorge; Karlheinz Weinfurtner


Journal of Plant Nutrition and Soil Science | 2011

Comparing concurrent in situ and batch‐extracted trace element concentrations

Levke Godbersen; Jens Utermann; Wilhelmus H. M. Duijnisveld; Sven Altfelder; Gerald Kuhnt; Jürgen Böttcher


Proceedings of the 19th World Congress of Soil Science: Soil solutions for a changing world, Brisbane, Australia, 1-6 August 2010. Symposium 3.5.2 Risk assessment and risk based remediation | 2010

Comparison of in situ trace element concentration of soil water with concentration in aqueous extracts as a background concentration level

Levke Godbersen; Jens Utermann; Wilhelmus H. M. Duijnisveld; Gerald Kuhnt; R. J. Gilkes; N. Prakongkep


Archive | 2009

Zum Vergleich von Spurenelementkonzentrationen aus in situ Sickerwasserproben mit Eluatkonzentrationen von ortsgleichen Bodenproben

Levke Godbersen; Jens Utermann; Wilhelmus H. M. Duijnisveld; Gerald Kuhnt

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