Publication List Dr. Joachim Koch

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Publications 1994 - 2016

54. C. Welte, L. Wacker, B. Hattendorf, M. Christl, J. Koch, H.-A. Synal, D. Günther: Novel laser ablation sampling device for the rapid radiocarbon analysis of carbonate samples by accelerator mass spectrometry, Radiocarbon 59 (2016), 419 – 435.

53. N. Fedotova, R. Kaegi, D. Günther: Influence of dispersion agents on particle size and concentration determined by laser-induced breakdown detection, Spectrochim. Acta B 103 - 104 (2015), 92 – 98.

52. C. Münsterer, L. Wacker, B. Hattendorf, M. Christl, J. Koch, R. Dietiker, H.-A. Synal, D. Günther: Rapid revelation of radiocarbon records with laser ablation accelerator mass spectrometry, Chimia 68 (2014), 215 – 216.

51. M. Ohata, D. Tabersky, R. Glaus, J. Koch, B. Hattendorf, D. Günther: Comparison of 795 nm and 265 nm femtosecond and 193 nm nanosecond laser ablation inductively-coupled plasma mass spectrometry for the quantitative multi-element analysis of glass materials, J. Anal. At. Spectrom. 29 (2014), 1345 – 1353.

50. O. Borovinskaya, M. Burger, L. Flamigni, S. Gschwind, D. Tabersky, H. A. O. Wang, B. Hattendorf, J. Koch, D. Günther: Element analysis of small and even smaller objects by ICPMS and LA-ICPMS, Chimia 68 (2014), 112 – 118.

49. L. Flamigni, J. Koch, D. Günther: The effect of carrier gas humidity on the vaporization of laser-produced aerosols in inductively-coupled plasmas, J. Anal. At. Spectrom. 29 (2014), 280 – 286.

48. J. Koch, L. Flamigni, S. Gschwind, S. Allner, H. Longerich, D. Günther: Accelerated evaporation of microdroplets at ambient conditions for the on-line analysis of nanoparticles by inductively-coupled plasma mass spectrometry, J. Anal. At. Spectrom. 28 (2013), 1707 – 1717.

47. L. Dorta, R. Kovacs, J. Koch, K. Nishiguchi, K. Utani, D. Günther: Determining isotope ratios using laser ablation sampling in air with MC-ICPMS, J. Anal. At. Spectrom. 28 (2013), 1513 – 1521.

46. D. Tabersky, K. Nishiguchi, K. Utani, M. Ohata, R. Dietiker, M. B. Fricker, I. M. de Maddalena, J. Koch, D. Günther: Aerosol entrainment and a large-capacity gas exchange device (Q-GED) for laser ablation inductively coupled plasma mass spectrometry in atmospheric pressure air, J. Anal. At. Spectrom. 28 (2013), 831 – 842.

45. L. Flamigni, J. Koch, D. Günther: Experimental and theoretical investigations about the vaporization of laser-produced aerosols and individual particles inside inductively-coupled plasmas - Implications for the extraction efficiency of ions prior to mass spectrometry, Spectrochim. Acta B 67 (2012), 70 – 76.

44. R. Glaus, J. Koch, D. Günther: Portable laser ablation sampling device for elemental fingerprinting of objects outside the laboratory with laser ablation inductively coupled plasma mass spectrometry, Anal. Chem. 84 (2012), 5358 – 5364.

43. L. Flamigni, J. Koch, H. Wiltsche, R. Brogioli, S. Gschwind, D. Günther: Visualization, velocimetry, and mass spectrometric analysis of engineered and laser-produced particles passing through inductively coupled plasma sources, J. Anal. At. Spectrom. 27 (2012), 619 – 625

42. T. Schmitz, J. Koch, R. Zenobi, D. Günther: Early plume and shock wave dynamics in atmospheric-pressure ultraviolet-laser ablation of different matrix-assisted laser ablation matrices, J. Appl. Phys.109 (2011), 123106.

41. S. Gschwind, L. Flamigni, J. Koch, O. Borovinskaya, S. Groh, K. Niemax, D. Günther: Capabilities of inductively coupled plasma mass spectrometry for the detection of nanoparticles carried by monodisperse microdroplets, J. Anal. At. Spectrom. 26 (2011), 1166 – 1174.

40. J. Koch, D. Günther: Review of the state-of-the-art of laser ablation inductively coupled plasma mass spectrometry, App. Spectrosc., 65 (2011), 155A - 162A.

39. R. Brogioli, B. Hattendorf, J. Koch, H. Wiltsche, L. Flamigni, D. Günther: Online electro-thermal heating of laser-generated aerosols: effects on aerosol particle size and signal intensities in ICPMS, Anal. Bioanal. Chem., 399 (2011), 2201 – 2209.

38. J. Koch, S. Heiroth, T. Lippert, D. Günther: Femtosecond laser ablation: Visualization of the aerosol formation process by light scattering and shadowgraphic imaging, Spectrochim. Acta B 65 (2010), 943 – 949.

37. J. Koch, D. Günther: Laser Ablation ICP-MS, Encyclopedia of spectroscopy and spectrometry 2nd edition, J. C. Lindon, Academic Press (Elsevier 2010), 2nd revised edition, 1262 - 1269, ISBN: 13: 978-0-12-374417-3.

36. F. Vanhaecke, M. Resano, J. Koch, K. McIntosh, D. Günther: Femtosecond laser ablation-ICP-mass spectrometry analysis of a heavy metallic matrix: Determination of platinum group metals and gold in lead fire-assay buttons as a case study, J. Anal. At. Spectrom. 25 (2010), 1259 – 1267.

35. T. A. Schmitz, J. Koch, D. Günther, R. Zenobi: Characterization of aerosol plumes in nanosecond laser ablation of molecular solids at atmospheric pressure, Appl. Phys. B 100 (2010), 521 – 533.

34. S. Heiroth, J. Koch, T. Lippert, A. Wokaun, D. Günther, F. Garrelie, M. Guillermin: Laser ablation characteristics of yttria-doped zirconia in the nanosecond and femtosecond regime, J. Appl. Phys. 107 (2010), 014908.

33. M. Wälle, J. Koch, D. Tabersky, K. Hametner, N. D. Zhigadlo, S. Katrych, J. Karpinski, D. Günther: Analyses of lithium-doped and pure magnesium diboride using nano- and femtosecond laser ablation inductively coupled plasma mass spectrometry, J. Anal. At. Spectrom. 25 (2010), 193 – 195.

32. M. Tarik, G. Lotito, J. A. Whitby, J. Koch, K. Fuhrer, M. Gonin, J. Michler, J. L. Bolli, D. Günther: Development and fundamental investigation of laser ablation glow discharge time-of-flight mass spectrometry (LA-GD-TOFMS), Spectrochim. Acta B 64 (2009), 262 – 270.

31. H. Traub, M. Wälle, J. Koch, U. Panne, R. Matschat, H. Kipphardt, D. Günther: Evaluation of different calibration strategies for the analysis of pure copper and zinc samples using femtosecond laser ablation ICP-MS, Anal. Bioanal. Chem., 395 (2009), 1471 – 1480.

30. M. Wälle, J. Koch, L. Flamigni, S. Heiroth, T. Lippert, D. Günther: Detection efficiencies in nano- and femtosecond laser ablation inductively coupled plasma mass spectrometry, Spectrochim. Acta B 64 (2009), 109 – 112.

29. D. Günther, J. Koch: Formation of aerosols generated by laser ablation and their impact on elemental fractionation in LA-ICP-MS, P. J. Sylvester, Ed., Mineralogical Association of Canada (MAC) Short Course Series Vol. 40 (2008), 19 – 34.

28. M. Wälle, J. Koch, D. Günther: Analysis of brass and silicate glass by femtosecond laser ablation inductively coupled plasma mass spectrometry using liquid standard calibration, Spectrochim. Acta B 63 (2008), 1285 – 1289.

27. C. C. Garcia, M. Wälle, H. Lindner, J. Koch, K. Niemax, D. Günther: Femtosecond laser ablation inductively coupled plasma mass spectrometry: Transport efficiencies of aerosols released under argon atmosphere and the importance of the focus position, Spectrochim. Acta B 63 (2008), 271 – 276.

26. J. Koch, S. Schlamp, M. Wälle, T. Rösgen, D. Günther: Expansion phenomena of aerosols generated by laser ablation under helium and argon atmosphere, Spectrochim. Acta B 63 (2008), 37 – 41.

25. J. Koch, M. Wälle, R. Dietiker, D. Günther: Analysis of laser-produced aerosols by inductively coupled plasma mass spectrometry - Transport phenomena and elemental fractionation, Anal. Chem. 80 (2008), 915 – 921.

24. J. Pisonero, J. Koch, M. Wälle, W. Hartung, N. D. Spencer, D. Günther: Capabilities of femtosecond laser ablation inductively coupled plasma mass spectrometry for depth profiling of thin metal coatings, Anal. Chem. 79 (2007), 2325 – 2333.

23. J. Koch, S. Schlamp, T. Rösgen, D. Fliegel, D. Günther: Visualization of aerosol particles generated by near infrared nano- and femtosecond laser ablation, Spectrochim. Acta B 62 (2007), 20 – 29.

22. J. Koch, D. Günther: Femtosecond laser ablation inductively coupled plasma mass spectrometry: achievements and remaining problems, Anal. Bioanal. Chem., 387 (2007), 149 – 153.

21. J. Koch, M. Wälle, J. Pisonero, D. Günther: Performance characteristics of UV-fs-LA-ICP-MS @ 265 nm and 200 nm, J. Anal. At. Spectrom. 21 (2006), 932 – 940.

20. Q. Bian, C. C. Garcia, J. Koch, K. Niemax: Non-matrix matched calibration of major and minor concentrations of Zn and Cu in brass, aluminum and silicate glass using NIR femtosecond laser ablation inductively coupled plasma mass spectrometry, J. Anal. At. Spectrom. 21 (2006), 187 – 191.

19. H. Lindner, J. Koch, K. Niemax: Production of ultrafine particles by nanosecond laser sampling using orthogonal prepulse laser breakdown, Anal. Chem. 77 (2005), 7528 – 7533.

18. Q. Z. Bian, J. Koch, H. Lindner, H. Berndt, R. Hergenröder, K. Niemax: Non-matrix-matched calibration using near infrared femtosecond laser ablation inductively coupled plasma optical emission spectrometry, J. Anal. At. Spectrom. 20 (2005), 736 – 740.

17. J. Koch, H. Lindner, A. von Bohlen, R. Hergenröder, K. Niemax: Elemental fractionation of dielectric aerosols produced by near-infrared femtosecond laser ablation of silicate glasses, J. Anal. At. Spectrom. 20 (2005), 901 – 906.

16. H.-R. Kuhn, D. Günther, J. Koch, R. Hergenröder, K. Niemax, M. Kalberer: Evaluation of different techniques for particle size distribution measurements of laser-generated aerosols, J. Anal. At. Spectrom. 20 (2005), 894 – 900.

15. A. Zybin, J. Koch, H. D. Wizemann, J. Franzke, K. Niemax: Diode laser atomic absorption spectrometry, Spectrochim. Acta B 60 (2005), 1 – 11.

14. K. Kunze, A. Zybin, J. Koch, J. Franzke, M. Miclea, K. Niemax: Element selective detection of molecular species applying chromatographic techniques and diode laser atomic absorption spectrometry, Spectrochim. Acta A 60 (2004), 3393 – 3401.

13. A. Zybin, J. Koch, D. J. Butcher, K. Niemax: Element-selective detection in liquid and gas chromatography by diode laser absorption spectrometry, J. Chromtatogr. A 1050 (2004), 35 – 44.

12. J. Koch, G. Schaldach, H. Berndt, K. Niemax: Computer simulation of aerosol transport for optimization of sample introduction in atomic spectrometry, Anal. Chem. 76 (7) (2004), 130A - 136A.

11. J. Koch, M. Okruss, J. Franzke, S. V. Florek, K. Niemax, H. Becker-Ross: Element-selective detection of gas chromatographic eluates by near infrared Échelle optical emission spectrometry on microwave-induced plasmas, Spectrochim. Acta B 59 (2004), 199 – 208.

10. J. Koch, A. von Bohlen, R. Hergenröder, K. Niemax: Particle size distributions and compositions of aerosols produced by near infrared femto- and nanosecond laser ablation of brass, J. Anal. At. Spectrom. 19 (2004), 267 – 272.

9. J. Koch, A. Zybin, K. Niemax: Narrow and broad band diode laser absorption spectrometry - Concepts, limitations and applications, Spectrochim. Acta B 57 (2002), 1547 – 1562.

8. J. Koch, I. Feldmann, N. Jakubowski, K. Niemax: Elemental composition of laser ablation aerosol particles deposited in the transport tube to an ICP, Spectrochim. Acta B 57 (2002), 975 – 985.

7. J. Koch, I. Feldmann, B. Hattendorf, D. Günther, N. Jakubowski, M. Bolshov, K. Niemax, R. Hergenröder: Trace element analysis of mono- and poly-crystalline CaF2 by ultraviolet laser ablation inductively coupled plasma mass spectrometry at 266 and 193 nm, Spectrochim. Acta B 57 (2002), 1055 – 1068.

6. J. Koch, A. Zybin, K. Niemax: Chlorine analysis by diode laser atomic absorption spectrometry, Guangpuxue yu Guangpu Fenxi (Spectroscopy and Spectral Analysis) 20 (2000), 149 – 155.

5. J. Koch: Untersuchungen zur derivativen Diodenlaser-Spektrometrie an mikrowellen-induzierten Niederdruckplasmen, PhD thesis / University of Dortmund (2000).

4. J. Koch, M. Miclea, K. Niemax: Analysis of chlorine in polymers by laser sampling and diode laser atomic absorption spectrometry, Spectrochim. Acta B 54 (1999), 1723 – 1735.

3. J. Koch, A. Zybin, K. Niemax: Element-selective trace detection in environmental samples using chromatographic techniques and derivative diode laser absorption spectrometry, Appl. Phys. B 67 (1998), 475 – 479.

2. J. Koch, K. Niemax: Characterization of an element-selective GC-plasma detector based on diode laser atomic absorption spectrometry, Spectrochim. Acta B 53 (1998), 71 – 79.

1. A. Färbert, J. Koch, T. Platz, W. Demtröder: Vibrationally resolved resonant 2-photon ionisation spectroscopy of the 1(3)sigma+(B)-1(3)sigma(u)+(X) transition of Na2, Chem. Phys. Lett. 223 (1994), 546 – 552.

 

 
 
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