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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 61 9137 8284 656 594 187 16065

Norbert Hertkorn publications per year

The chart shows the history of publications by Norbert Hertkorn between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Norbert Hertkorn published across 43 years, from 1983 to 2025, averaging 5.4 papers a year. Output peaked at 19 publications in 2014. 6 of the 233 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2014. 1983: 3 publications 1984: 0 publications 1985: 0 publications 1986: 3 publications 1987: 2 publications 1988: 3 publications 1989: 1 publication 1990: 1 publication 1991: 1 publication 1992: 2 publications 1993: 1 publication 1994: 1 publication 1995: 2 publications 1996: 4 publications 1997: 1 publication 1998: 6 publications 1999: 6 publications 2000: 1 publication 2001: 9 publications 2002: 4 publications 2003: 2 publications 2004: 3 publications 2005: 7 publications 2006: 6 publications 2007: 8 publications 2008: 6 publications 2009: 11 publications 2010: 8 publications 2011: 9 publications 2012: 10 publications 2013: 2 publications 2014: 19 publications 2015: 8 publications 2016: 13 publications 2017: 12 publications 2018: 8 publications 2019: 17 publications 2020: 8 publications 2021: 3 publications 2022: 5 publications 2023: 11 publications 2024: 5 publications 2025: 1 publication
1983 2025

233 publications in total across all disciplines

View publications per year as a table
Norbert Hertkorn: publications per year, 1983 to 2025
Year Publications
1983 3
1984 0
1985 0
1986 3
1987 2
1988 3
1989 1
1990 1
1991 1
1992 2
1993 1
1994 1
1995 2
1996 4
1997 1
1998 6
1999 6
2000 1
2001 9
2002 4
2003 2
2004 3
2005 7
2006 6
2007 8
2008 6
2009 11
2010 8
2011 9
2012 10
2013 2
2014 19
2015 8
2016 13
2017 12
2018 8
2019 17
2020 8
2021 3
2022 5
2023 11
2024 5
2025 1
Total 233
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Norbert Hertkorn publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Norbert Hertkorn sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 181–200 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 187 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344 187
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Norbert Hertkorn D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Norbert Hertkorn sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 60–61 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 61 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882 61
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Norbert Hertkorn is affiliated with Helmholtz Zentrum München in Germany and specializes in research spanning Environmental Science, Physics and Astronomy, and Earth and Planetary Sciences. Their work integrates multiple disciplines, with particular focus on ecology, astronomy and astrophysics, oceanography, as well as health, toxicology, mutagenesis, and spectroscopy.

Their research covers key topics including isotope analysis in ecology, astro and planetary science, marine and coastal ecosystems, microbial community ecology and physiology, planetary science and exploration, water treatment and disinfection, and mass spectrometry techniques and applications.

Recent publications authored or co-authored by Norbert Hertkorn include:

  • Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu, 2023, Science
  • Selective removal of natural organic matter during drinking water production changes the composition of disinfection by-products, 2020, Environmental Science Water Research & Technology
  • A Glacier Bacterium Produces High Yield of Cryoprotective Exopolysaccharide, 2020, Frontiers in Microbiology
  • The old, unique C1 chondrite Flensburg - Insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies and lithologies, 2020, Geochimica et Cosmochimica Acta
  • Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium, 2023, Science

Norbert Hertkorn frequently collaborates with several researchers, including:

  • Philippe Schmitt-Kopplin
  • Mourad Harir
  • Alexander Ruf
  • Hiroshi Naraoka
  • Yoshinori Takano

The scientist's work is often published in journals such as:

  • Nature Communications
  • Environmental Science Water Research & Technology
  • Science
  • Frontiers in Microbiology
  • The Science of The Total Environment

Best Publications

  • A simple and efficient method for the solid‐phase extraction of dissolved organic matter (SPE‐DOM) from seawater

    Thorsten Dittmar;Boris Koch;Norbert Hertkorn;Gerhard Kattner

  • Characterization of a major refractory component of marine dissolved organic matter

    Norbert Hertkorn;Ronald Benner;Moritz Frommberger;Philippe Schmitt-Kopplin

  • Chelyabinsk airburst, damage assessment, meteorite recovery, and characterization

    Olga P. Popova;Peter Jenniskens;Peter Jenniskens;Vacheslav Emel'yanenko;Anna Kartashova

  • High molecular diversity of extraterrestrial organic matter in Murchison meteorite revealed 40 years after its fall

    Philippe Schmitt-Kopplin;Zelimir Gabelica;Régis D. Gougeon;Agnes Fekete

  • Mangroves, a major source of dissolved organic carbon to the oceans

    Thorsten Dittmar;Norbert Hertkorn;Gerhard Kattner;Rubén J. Lara

  • Natural organic matter and the event horizon of mass spectrometry.

    N. Hertkorn;M. Frommberger;M. Witt;Boris Koch

  • Persistence of dissolved organic matter explained by molecular changes during its passage through soil

    Vanessa-Nina Roth;Markus Lange;Carsten Simon;Norbert Hertkorn

  • High-field NMR spectroscopy and FTICR mass spectrometry: powerful discovery tools for the molecular level characterization of marine dissolved organic matter

    Norbert Hertkorn;M. Harir;Boris P. Koch;Bernhard Michalke

  • Molecular characterization of effluent organic matter identified by ultrahigh resolution mass spectrometry.

    Michael Gonsior;Michael Gonsior;Matthew Zwartjes;William J. Cooper;Weihua Song

  • High-precision frequency measurements: indispensable tools at the core of the molecular-level analysis of complex systems.

    N Hertkorn;C Ruecker;Markus Meringer;Markus Meringer;R Gugisch

  • Marine sequestration of carbon in bacterial metabolites

    Oliver J. Lechtenfeld;Norbert Hertkorn;Yuan Shen;Matthias Witt

  • The Ocean's Vital Skin: Toward an Integrated Understanding of the Sea Surface Microlayer

    Anja Engel;Hermann W. Bange;Michael Cunliffe;Susannah M. Burrows

  • Radar-Enabled Recovery of the Sutter’s Mill Meteorite, a Carbonaceous Chondrite Regolith Breccia

    Peter Jenniskens;Peter Jenniskens;Marc D. Fries;Qing-Zhu Yin;Michael Zolensky

  • Variations of DOM quality in inflows of a drinking water reservoir: linking of van Krevelen diagrams with EEMF spectra by rank correlation.

    Peter Herzsprung;Wolf von Tümpling;Norbert Hertkorn;Mourad Harir

  • Structural changes in a dissolved soil humic acid during photochemical degradation processes under O2 and N2 atmosphere

    Philippe Schmitt-Kopplin;Norbert Hertkorn;Hans-Rolf Schulten;Antonius Kettrup

  • Analysis of the Unresolved Organic Fraction in Atmospheric Aerosols with Ultrahigh-Resolution Mass Spectrometry and Nuclear Magnetic Resonance Spectroscopy: Organosulfates As Photochemical Smog Constituents

    Philippe Schmitt-Kopplin;Andras Gelencsér;Ewa Dabek-Zlotorzynska;Gyula Kiss

  • Kendrick-Analogous Network Visualisation of Ion Cyclotron Resonance Fourier Transform Mass Spectra: Improved Options for the Assignment of Elemental Compositions and the Classification of Organic Molecular Complexity

    Unknown

  • Changes in dissolved organic matter during the treatment processes of a drinking water plant in Sweden and formation of previously unknown disinfection byproducts.

    Michael Gonsior;Philippe Schmitt-Kopplin;Helena Stavklint;Susan D. Richardson

  • Understanding molecular formula assignment of Fourier transform ion cyclotron resonance mass spectrometry data of natural organic matter from a chemical point of view.

    Peter Herzsprung;Norbert Hertkorn;Wolf von Tümpling;Mourad Harir

  • Comparative analysis of partial structures of a peat humic and fulvic acid using one- and two-dimensional nuclear magnetic resonance spectroscopy.

    N. Hertkorn;A. Permin;I. Perminova;D. Kovalevskii

  • Use of humic substances to remediate polluted environments : from theory to practice

    Irina V. Perminova;Kirk Hatfield;Norbert Hertkorn

  • The chemodiversity of wines can reveal a metabologeography expression of cooperage oak wood.

    Régis D. Gougeon;Marianna Lucio;Moritz Frommberger;Dominique Peyron

Frequent Co-Authors

Philippe Schmitt-Kopplin
Philippe Schmitt-Kopplin Technical University of Munich
Antonius Kettrup
Antonius Kettrup Technical University of Munich
David Bastviken
David Bastviken Linköping University
Alex Enrich-Prast
Alex Enrich-Prast Linköping University
Heinrich Sandermann
Heinrich Sandermann Bayer (Germany)
Henrik Kylin
Henrik Kylin Linköping University
Matthias Witt
Matthias Witt Laboratorien Dr. Döring GmbH
Werner Heller
Werner Heller University of Freiburg
Christian Griebler
Christian Griebler University of Vienna
Royston Goodacre
Royston Goodacre University of Liverpool

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