Maik Jochmann

Dr. Maik Jochmann

Fakultät für Chemie
Instrumentelle Analytische Chemie
Universitätsstr. 5, S05 V02 E25
45141 Essen

Tel: 0201/183-6775 (Office)
Tel: 0201/183-6754 (Lab)
Fax: 0201/183-6773


Development of enrichment techniques for Compound Specific Isotope Analysis

1995 Abitur (A-Level equiv.)
1996 – 1997 Biochemistry studies at the Ruhr-University Bochum
1997 – 2003 Chemistry at the Westfalien-Wilhelms University Münster
Diploma Thesis at the Center for Applied Geoscience (ZAG) in the group of Prof. Stefan B. Haderlein and external supervision by Prof. Dr. Karl Cammann (University Münster) with the subject “Determination of heterocyclic compounds in groundwater with direct-aqueous injection GC/MS”.
2003 - 2006 PhD at the Center for Applied Geoscience (ZAG) in Tübingen in the Environmental Minarology Group of
Prof. Stefan B. Haderlein
Since 2006 Research scientist in the group Prof. Torsten C. Schmidt of chair for Instrumental Analytical Chemistry (IAC) at the University Duisburg-Essen

Extraction Techniques such as:
- Solid-phase microextraction (SPME)
- Solid-phase dynamic extraction (SPDE)
- In-tube extraction (ITEX)
- Accelerated Solvent Extraction (ASE)
- Purge & Trap (P&T)

Separation techniques:

Injection techniques:
- Large Volume Injection (LVI)
- Direct Aqueous Injection (DAI)

Compound Specific Isotope Analysis:

- UV/vis

German Chemical Society (GDCh)
Divisions on:
Analytical Chemistry
Water Chemistry
Benelux Association for Stable Isotope Scientists (BASIS)

- Journal of Separation Science
- Environmental Science & Technology

M. A. Jochmann, M. Blessing, S. B. Haderlein, T. C. Schmidt, Rapid Communications
in Mass Spectrometry 20 (2006) 3639. A new approach to determine method
detection limits for compound-specific isotope analysis of volatile organic compounds

M. A. Jochmann, M. P. Kmiecik, T. C. Schmidt, Journal of Chromatography A 1115
(2006) 208. Solid-phase dynamic extraction for the enrichment of polar volatile
organic compounds from water

M. A. Jochmann, X. Yuan, T. C. Schmidt, Anal. Bioanal. Chem. 387 (2007) 2163.
Determination of volatile organic hydrocarbons in water samples by solid-phase
dynamic extraction

T. Gocht, J. A. C. Barth, M. Epp, M. Jochmann, M. Blessing, T. C. Schmidt, P.
Grathwohl, Appl. Geochem. 22 (2007) 2652. Indications for Pedogenic Formation of
Perylene in a Terrestrial Soil Profile: Depth distribution and Experiences from Stable
Carbon Isotopic Ratios.

T. C. Schmidt, M. A. Jochmann, Nachr. Chem. 55 (2007) 536. Isotope analysis - a
new tool in environmental analysis

M. A. Jochmann, X. Yuan, B. Schilling, T. C. Schmidt, Journal of Chromatography A
1179 (2008) 96. In-tube Extraction (ITEX) as Alternative Extraction Method for
Volatile Organic Hydrocarbons in Groundwater

M. Blessing, M. A. Jochmann, T. C. Schmidt, Analytical and Bioanalytical Chemistry
390 (2008) 591. Pitfalls in compound-specific isotope analysis of environmental

Book Chapter
M. A. Jochmann, T. C. Schmidt, Handbook of Environmental Chemistry, Springer Berlin/Heidelberg, 1. Auflage, 2007, 1-30, ISBN 978-3-540-72640. Novel analytical methods for the determination of fuel oxygenates in water

IAC stellt sich vor

Video mit Länge von 1:13 Minuten

Annual Reports


University Duisburg-Essen
Faculty of Chemistry
Instrumental Analytical Chemistry
Universitätsstr. 5
D-45141 Essen

Head of Department
Prof. Dr. Torsten C. Schmidt
Phone +49 201 183-6774

Lydia Vaassen
Phone +49 201 183-6772

Fax: +49 201 183 6773