document.write("
"); document.write("
Hong,\ J.*\ ; Maguhn,\ J.\ ; Freitag,\ D.\ ; Kettrup,\ A.
"); document.write("
Detection of volatile organic peroxides in indoor air.
"); document.write("
Fresen. J. Anal. Chem. 371, 961-965 (2001)
"); document.write("
"); document.write("
"); document.write("
Menzinger,\ F.\ ; Schmitt-Kopplin,\ P.\ ; Frommberger,\ M.\ ; Freitag,\ D.\ ; Kettrup,\ A.
"); document.write("
Partial-filling micellar electrokinetic chromatography and non-aqueous capillary electrophoresis for the analysis of selected agrochemicals.
"); document.write("
Fresen. J. Anal. Chem. 371, 25-34 (2001)
"); document.write("
"); document.write("
"); document.write("
Gawlik,\ B.M.*\ ; Martens,\ D.\ ; Henkelmann,\ B.\ ; Schramm,\ K.-W.\ ; Kettrup,\ A.\ ; Muntau,\ H.*
"); document.write("
River sediment (S-37) : A new analytical quality control material ensuring comparability of chlorinated hydrocarbon analysis during an international environmental study in China.
"); document.write("
Fresen. J. Anal. Chem. 367, 232-240 (2000)
"); document.write("
"); document.write("
"); document.write("
Gawlik,\ B.M.*\ ; Martens,\ D.\ ; Schramm,\ K.-W.\ ; Kettrup,\ A.\ ; Lamberty,\ A.*\ ; Muntau,\ H.*
"); document.write("
On the presence of PCDD/Fs and other chlorinated hydrocarbons in the second generation of the European Reference Soil Set - the EUROSOILS.
"); document.write("
Fresen. J. Anal. Chem. 368, 407-411 (2000)
"); document.write("
"); document.write("
"); document.write("
Zimmermann,\ R.\ ; Heger,\ H.J.\ ; Kettrup,\ A.\ ; Nikolai,\ U.*
"); document.write("
Direct observation of the formation of aromatic pollutants in waste incineration flue gases by on-line REMPI-TOFMS laser mass spectrometry.
"); document.write("
Fresen. J. Anal. Chem. 366, 368-374 (2000)
"); document.write("
"); document.write("
"); document.write("
Achatz,\ S.\ ; Lörinci,\ G.\ ; Hertkorn,\ N.\ ; Gebefügi,\ I.\ ; Kettrup,\ A.
"); document.write("
Disturbance of the determination of aldehydes and ketones: Structural elucidation of degradation products derived from the reaction of 2,4-dinitrophenylhydrazine (DNPH) with ozone.
"); document.write("
Fresen. J. Anal. Chem. 364, 141-146 (1999)
"); document.write("
"); document.write("
"); document.write("
Risse,\ U.\ ; Flammenkamp,\ E.\ ; Kettrup,\ A.\ ; Vandendriessche,\ S.*
"); document.write("
Certification of contents of aromatic hydrocarbons in charcoal tubes - CRM 562.
"); document.write("
Fresen. J. Anal. Chem. 363, 33-37 (1999)
"); document.write("
"); document.write("
"); document.write("
Schick,\ B.\ ; Risse,\ U.\ ; Kettrup,\ A.
"); document.write("
Generation of test gases from volatile and semivolatile organic compounds (VOC/SVOC).
"); document.write("
Fresen. J. Anal. Chem. 364, 709-713 (1999)
"); document.write("
"); document.write("
"); document.write("
Wolf,\ M.\ ; Teichmann,\ G.\ ; Hoque,\ E.\ ; Szymczak,\ W.\ ; Schimmack,\ W.
"); document.write("
Copper speciation in aqueous solutions of fulvic acid and related molecular weight distributions.
"); document.write("
Fresen. J. Anal. Chem. 363, 596-599 (1999)
"); document.write("
"); document.write("
"); document.write("
Zimmermann,\ R.\ ; Heger,\ H.J.\ ; Kettrup,\ A.
"); document.write("
On-line monitoring of traces of aromatic-, phenolic- and chlorinated components in flue gases of industrial scale incinerators and cigarette smoke by direct-inlet laser ionization-mass spectrometry (REMPI-TOFMS).
"); document.write("
Fresen. J. Anal. Chem. 363, 720-730 (1999)
"); document.write("
"); document.write("
"); document.write("
Lîntschinger,\ J.\ ; Schramel,\ O.\ ; Kettrup,\ A.
"); document.write("
The analysis of antimony species by using ESI-MS and HPLC-ICP-MS.
"); document.write("
Fresen. J. Anal. Chem. 361, 96-102 (1998)
"); document.write("
"); document.write("
"); document.write("
Lustig,\ S.\ ; Zang,\ S.*\ ; Michalke,\ B.\ ; Schramel,\ P.\ ; Beck,\ W.M.*
"); document.write("
Platinum determination in nutrient plants by inductively coupled plasma mass spectrometry with special respect to the hafnium oxide interference.
"); document.write("
Fresen. J. Anal. Chem. 357, 1157-1163 (1997)
"); document.write("
"); document.write("
"); document.write("
Michalke,\ B.
"); document.write("
Quality control in speciation investigations.
"); document.write("
Fresen. J. Anal. Chem. 350, 2-6 (1994)
"); document.write("
"); document.write("
"); document.write("
Günther,\ W.G.\ ; Lintelmann,\ J.\ ; Rose,\ E.\ ; Kettrup,\ A.
"); document.write("
Behaviour of Polycyclic Aromatic Hydrocarbons and Triazine Herbicides in Water and Aquifer Material of a Drinking Water Recharge Plant. III: Investigations of the Behaviour of Triazine Herbicides During the Underground Passage.
"); document.write("
Fresen. J. Anal. Chem. (1993)
"); document.write("
"); document.write("
"); document.write("
Oxynos,\ K.\ ; Schladot,\ J.D.\ ; Schmitzer,\ J.\ ; Backhaus,\ F.\ ; Kettrup,\ A.
"); document.write("
Characterisation of Chlorinated Hydrocarbons in a third Generation Candidate Fish Reference Material (Limanda limanda) Prepared under Cryogenic Conditions.
"); document.write("
Fresen. J. Anal. Chem. 345, 238-239 (1993)
"); document.write("
"); document.write("
"); document.write("
Rose,\ E.\ ; Lintelmann,\ J.\ ; Günther,\ W.G.\ ; Kettrup,\ A.
"); document.write("
Behaviour of Polycyclic Aromatic Hydrocarbons and Triazine Herbicides in Water and Aquifer- Material of a Drinking Water Recharge Plant. II: Polycyclic Aromatic Hydrocarbons (PAH) in Surface Water of the Ruhr and in Ground Water.
"); document.write("
Fresen. J. Anal. Chem. 346, 995-999 (1993)
"); document.write("
"); document.write("
"); document.write("
Rose,\ E.*\ ; Martens,\ D.*\ ; Lintelmann,\ J.\ ; Kicinski,\ H.G.*\ ; Günther,\ W.J.*\ ; Kettrup,\ A.
"); document.write("
Behaviour of polycyclic aromatic hydrocarbons and triazine herbicides in water and aquifer material of a drinking water recharge plant - IV. PAHs in the solid phase.
"); document.write("
Fresen. J. Anal. Chem. 347, 44-51 (1993)
"); document.write("
"); document.write("
"); document.write("
Rose,\ E.\ ; Lintelmann,\ J.\ ; Günther,\ W.J.\ ; Kettrup,\ A.
"); document.write("
Behaviour of polycyclic aromatic hydrocarbons and triazine herbicides in water and aquifer material of a drinking water recharge plant - II. Polycyclic aromatic hydrocarbons (PAHs) in surface water of the ruhr and in ground water.
"); document.write("
Fresen. J. Anal. Chem. 346, 995-999 (1993)
"); document.write("
"); document.write("
"); document.write("
Schramel,\ P.\ ; Xu,\ L.\ ; Knapp,\ G.\ ; Michaelis,\ M.
"); document.write("
Multi-elemental Analysis in Biological Samples by on-line Preconcentration on 8- hydroxyquinoline-cellulose Microcolumn coupled to Simultaneous ICP-AES.
"); document.write("
Fresen. J. Anal. Chem. 345, 600-606 (1993)
"); document.write("
"); document.write("
"); document.write("
Schramel,\ P.\ ; Hasse,\ S.
"); document.write("
Destruction of Organic Material by Pressurized Microwave Digestion.
"); document.write("
Fresen. J. Anal. Chem. 346, 794-799 (1993)
"); document.write("
"); document.write("
"); document.write("
Schramel,\ P.\ ; Hasse,\ S.
"); document.write("
Destruction of organic materials by pressurized microwave digestion.
"); document.write("
Fresen. J. Anal. Chem. 346, 794-799 (1993)
"); document.write("
"); document.write("
"); document.write("
Schramel,\ P.\ ; Xu,\ L.\ ; Knapp,\ G.*\ ; Michaelis,\ M.R.A.*
"); document.write("
Multi-elemental analysis in biological samples by on-line preconcentration on 8-hydroxyquinoline-cellulose microcolumn coupled to simultaneous ICP-AES.
"); document.write("
Fresen. J. Anal. Chem. 345, 600-606 (1993)
"); document.write("
"); document.write("
"); document.write("
Michalke,\ B.\ ; Münch,\ D.C.\ ; Schramel,\ P.
"); document.write("
Advanced Quality Control for Zinc Speciation Investigations in Human Breast Milk.
"); document.write("
Fresen. J. Anal. Chem. 344, 306-310 (1992)
"); document.write("
"); document.write("
"); document.write("
Michalke,\ B.\ ; Münch,\ D.C.\ ; Schramel,\ P.
"); document.write("
Advanced quality control for zinc speciation investigations in human breast milk.
"); document.write("
Fresen. J. Anal. Chem. 344, 306-310 (1992)
"); document.write("
"); document.write("
"); document.write("
Schramel,\ P.\ ; Xu,\ L.
"); document.write("
On-line preconcentration of arsenic from water samples with an anion-exchanger column coupled to a hydride generation ICP system.
"); document.write("
Fresen. J. Anal. Chem. 343, 373-377 (1992)
"); document.write("
"); document.write("
"); document.write("
Xu,\ L.\ ; Schramel,\ P.
"); document.write("
Determination of Gold in Sludge and Soil by Sequential ICP-AES After Preconcentration and Separation with Thiol-Cotton Fibre.
"); document.write("
Fresen. J. Anal. Chem. 342, 179-182 (1992)
"); document.write("
"); document.write("
"); document.write("
Zanco,\ M.\ ; Pfister,\ G.\ ; Kettrup,\ A.
"); document.write("
A new HPLC method for the simultaneous determination of fluazifop-butyl and fluazifop in soil samples.
"); document.write("
Fresen. J. Anal. Chem. 344, 39-41 (1992)
"); document.write("
"); document.write("
"); document.write("
Zucheng,\ J.\ ; Schramel,\ P.
"); document.write("
Determination of trace amounts of molybdenum in water samples by inductively coupled plasma atomic emission spectrometry after cobalt-dithiocarbamate coprecipitation.
"); document.write("
Fresen. J. Anal. Chem. 343, 600-603 (1992)
"); document.write("
"); document.write("
"); document.write("
Schramel,\ P.\ ; Xu,\ L.
"); document.write("
Determination of arsenic, antimony, bismuth, selenium and tin in biological and environmental samples by continuous flow hydride generation ICP-AES without gas-liquid separator.
"); document.write("
Fresen. J. Anal. Chem. 340, 41-47 (1991)
"); document.write("
"); document.write("
"); document.write("
Giese,\ U.\ ; Stenner,\ H.\ ; Ludwig,\ E.\ ; Kettrup,\ A.
"); document.write("
Determination of Chlorinated Hydrocarbons in Single and Multi Component Test Gases.
"); document.write("
Fresen. J. Anal. Chem. 338, 610-614 (1990)
"); document.write("
"); document.write("
"); document.write("
Giese,\ U.*\ ; Stenner,\ H.*\ ; Ludwig,\ E.M.\ ; Kettrup,\ A.
"); document.write("
Determination of chlorinated hydrocarbons in single and multi component test gases.
"); document.write("
Fresen. J. Anal. Chem. 338, 610-614 (1990)
"); document.write("
"); document.write("
"); document.write("
Rosner,\ G.\ ; Hötzl,\ H.\ ; Winkler,\ R.
"); document.write("
Simultaneous Radiochemical Determination of Plutonium, Strontium, Uranium, and Iron Nuclides and Application to Atmospheric Deposition and Aerosol Samples.
"); document.write("
Fresen. J. Anal. Chem. 338, 606-609 (1990)
"); document.write("
"); document.write("
"); document.write("
Hengstmann,\ R.\ ; Hamann,\ R.\ ; Weber,\ H.\ ; Kettrup,\ A.
"); document.write("
Comparison of Different Methods of Extraction for the Determination of Polychlorinated Dibenzo- p-dioxins in Soil.
"); document.write("
Fresen. J. Anal. Chem. 335, 982-986 (1989)
"); document.write("
"); document.write("
"); document.write("
Parlar,\ H.A.
"); document.write("
Geochemical induced degradation of environmental chemicals.
"); document.write("
Fresen. J. Anal. Chem. 319, 114-118 (1984)
"); document.write("
"); document.write("
"); document.write("
Schmidt,\ W.F.\ ; Dietl,\ F.
"); document.write("
Bestimmung von Blei in Boden- und Sedimentaufschl\üssen und -extrakten mit der flammenlosen Atomabsorption in Zirkonium-beschichteten Graphitrohren.
"); document.write("
Fresen. J. Anal. Chem. 303, 385-388 (1980)
"); document.write("
"); document.write("
"); document.write("
Schmidt,\ W.F.\ ; Dietl,\ F.
"); document.write("
Bestimmung von Cadmium in Boden- und Sedimentaufschl\üssen und -extrakten mit der flammenlosen Atomabsorption in Zirkonium-beschichteten Graphitrohren.
"); document.write("
Fresen. J. Anal. Chem. 295, 110-115 (1979)
"); document.write("
");