O. Schramel

The analysis of antimony species by using ESI-MS and HPLC-ICP-MS

A. Kettrup, J. Lintschinger, O. Schramel, 1998 .

Study of the copper distribution in contaminated soils of hop fields by single and sequential extraction procedures.

B. Michalke, A. Kettrup, O. Schramel, 2000, The Science of the total environment.

Analysis of metal species by using electrospray ionization mass spectrometry and capillary electrophoresis–electrospray ionization mass spectrometry

B. Michalke, A. Kettrup, O. Schramel, 1998 .

Application of capillary electrophoresis-electrospray ionisation mass spectrometry to arsenic speciation

B. Michalke, A. Kettrup, O. Schramel, 1999 .

Capillary electrophoresis/electrospray ionization mass spectrometry (CE/ESI-MS) as a powerful tool for trace element speciation

B. Michalke, A. Kettrup, O. Schramel, 1999 .

Capillary electrophoresis coupled to inductively coupled plasma mass spectrometry (CE/ICP-MS) and to electrospray ionization mass spectrometry (CE/ESI-MS): An approach for maximum species information in speciation of selenium

B. Michalke, A. Kettrup, O. Schramel, 1999 .

Risk posed to honeybees (Apis mellifera L, Hymenoptera) by an imidacloprid seed dressing of sunflowers.

A. Stork, R. Schmuck, O. Schramel, 2001, Pest management science.