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Jean-Jacques Ehrhardt

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 48 15214 650 129 8576

Jean-Jacques Ehrhardt publications per year

The chart shows the history of publications by Jean-Jacques Ehrhardt between 1972 and 2011, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jean-Jacques Ehrhardt published across 40 years, from 1972 to 2011, averaging 3.5 papers a year. Output peaked at 10 publications in 1991. 5 of the 141 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1972 to 2011. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 1991. 1972: 1 publication 1973: 0 publications 1974: 2 publications 1975: 1 publication 1976: 3 publications 1977: 1 publication 1978: 1 publication 1979: 2 publications 1980: 2 publications 1981: 2 publications 1982: 6 publications 1983: 4 publications 1984: 1 publication 1985: 5 publications 1986: 2 publications 1987: 2 publications 1988: 4 publications 1989: 4 publications 1990: 5 publications 1991: 10 publications 1992: 7 publications 1993: 3 publications 1994: 3 publications 1995: 3 publications 1996: 5 publications 1997: 3 publications 1998: 2 publications 1999: 6 publications 2000: 3 publications 2001: 5 publications 2002: 5 publications 2003: 6 publications 2004: 3 publications 2005: 0 publications 2006: 6 publications 2007: 6 publications 2008: 2 publications 2009: 10 publications 2010: 2 publications 2011: 3 publications
1972 2011

141 publications in total across all disciplines

View publications per year as a table
Jean-Jacques Ehrhardt: publications per year, 1972 to 2011
Year Publications
1972 1
1973 0
1974 2
1975 1
1976 3
1977 1
1978 1
1979 2
1980 2
1981 2
1982 6
1983 4
1984 1
1985 5
1986 2
1987 2
1988 4
1989 4
1990 5
1991 10
1992 7
1993 3
1994 3
1995 3
1996 5
1997 3
1998 2
1999 6
2000 3
2001 5
2002 5
2003 6
2004 3
2005 0
2006 6
2007 6
2008 2
2009 10
2010 2
2011 3
Total 141
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Jean-Jacques Ehrhardt 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 Jean-Jacques Ehrhardt 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, 121–140 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: 129 publications — 8th percentile

8% 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
121–140 918 129
141–160 1,218
161–180 1,350
181–200 1,344
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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Jean-Jacques Ehrhardt 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 Jean-Jacques Ehrhardt 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, 48–49 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: 48 D-Index — 16th percentile

16% 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 48
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
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

Jean-Jacques Ehrhardt is affiliated with the Laboratoire de Chimie Physique et Microbiologie pour l'Environnement in France.

They have contributed to research primarily within their institutional context, although specific fields of study, subfields, and research topics have not been detailed in the available data.

There are no recorded papers, co-authors, or frequent publication venues associated publicly with their work at this time.

Information regarding book publications or awards has not been provided.

This profile reflects all publicly available information concerning Jean-Jacques Ehrhardt's academic and research activities as currently documented.

Best Publications

  • Adsorption studies of methylene blue and phenol onto vetiver roots activated carbon prepared by chemical activation

    Sandro Altenor;Betty Carene;Evens Emmanuel;Jacques Lambert

  • Surface Oxidation of Pyrite as a Function of pH

    Pascale Bonnissel-Gissinger;Marc Alnot;Jean-Jacques Ehrhardt;Philippe Behra

  • Use of spectroscopic techniques for uranium(VI)/montmorillonite interaction modeling.

    Kowal-Fouchard A;Drot R;Simoni E;Ehrhardt Jj

  • Evidence of the Existence of Three Types of Species at the Quartz−Aqueous Solution Interface at pH 0−10: XPS Surface Group Quantification and Surface Complexation Modeling

    Y. Duval;J. A. Mielczarski;O. S. Pokrovsky;E. Mielczarski

  • Surface structural controls on pyrite oxidation kinetics; an XPS-UPS, STM, and modeling study

    Carrick M. Eggleston;Jean-Jacques Ehrhardt;Werner Stumm

  • Surface chemistry and structural properties of mackinawite prepared by reaction of sulfide ions with metallic iron

    Martine Mullet;Sophie Boursiquot;Mustapha Abdelmoula;Jean-Marie Génin

  • Effects of different crystal faces on the surface charge of colloidal goethite (α-FeOOH) particles: an experimental and modeling study

    Fabien Gaboriaud;Jean-Jacques Ehrhardt

  • Removal of hexavalent chromium from solutions by mackinawite, tetragonal FeS

    Martine Mullet;Sophie Boursiquot;Jean-Jacques Ehrhardt

  • XPS characterization of wood chemical composition after heat‐treatment

    G. Nguila Inari;M. Petrissans;J. Lambert;J. J. Ehrhardt

  • Trapping of Cr by Formation of Ferrihydrite during the Reduction of Chromate Ions by Fe(II)-Fe(III) Hydroxysalt Green Rusts

    Stéphanie Loyaux-Lawniczak;Philippe Refait;Jean-Jacques Ehrhardt;Paul Lecomte

  • Behavior of hexavalent chromium in a polluted groundwater: redox processes and immobilization in soils.

    Stéphanie Loyaux-Lawniczak;Paul Lecomte;Jean-Jacques Ehrhardt

  • Combined investigation of water sorption on TiO2 rutile (110) single crystal face: XPS vs. periodic DFT

    H. Perron;J. Vandenborre;C. Domain;R. Drot

  • XPS and XAS Study of the Sorption of Hg(II) onto Pyrite

    Unknown

  • Sorption of Iodide on Cuprite (Cu2O)

    G. Lefevre;Alain Walcarius;J.-J. Ehrhardt;J. Bessiere

  • U(VI) sorption and reduction by Fe(II) sorbed on montmorillonite.

    Sudipta Chakraborty;Fabienne Favre;Dipanjan Banerjee;Andreas C. Scheinost

  • Surface composition of dairy powders observed by X-ray photoelectron spectroscopy and effects on their rehydration properties

    C. Gaiani;J.J. Ehrhardt;J. Scher;J. Hardy

  • The dry oxidation of tetragonal FeS 1- x mackinawite

    S. Boursiquot;M. Mullet;M. Abdelmoula;J.-M. Génin

  • XPS Characterization of Chalcopyrite, Tetrahedrite, and Tennantite Surface Products after Different Conditioning. 2. Amyl Xanthate Solution at pH 10

    J. A. Mielczarski;J. M. Cases;M. Alnot;J. J. Ehrhardt

  • XPS study of the reaction of chromium (VI) with mackinawite (FeS)

    Sophie Boursiquot;Martine Mullet;Jean-Jacques Ehrhardt

  • Modeling the Adsorption of Mercury(II) on (Hydr)oxides II: α-FeOOH (Goethite) and Amorphous Silica

    Pascale Bonnissel-Gissinger;Marc Alnot;Jean-Paul Lickes;Jean-Jacques Ehrhardt

  • Sorption of silicates on goethite, hematite, and magnetite : Experiments and modelling

    Norbert Jordan;Nicolas Marmier;Claire Lomenech;Eric Giffaut

  • Efficient microwave-assisted radical functionalization of single-wall carbon nanotubes

    Jie Liu;Mireia Rodriguez i Zubiri;Brigitte Vigolo;Manuel Dossot

Frequent Co-Authors

Christelle Lopez
Christelle Lopez Centre national de la recherche scientifique, CNRS
Alain Walcarius
Alain Walcarius University of Lorraine
Joël Scher
Joël Scher University of Lorraine
Laurent Charlet
Laurent Charlet Grenoble Alpes University
Robert H. Hauge
Robert H. Hauge Rice University
Frédéric Villiéras
Frédéric Villiéras University of Lorraine
Manuel F. Ruiz-López
Manuel F. Ruiz-López University of Lorraine
Christophe Domain
Christophe Domain Centre national de la recherche scientifique, CNRS
Jean-Marc Greneche
Jean-Marc Greneche Centre national de la recherche scientifique, CNRS
Andreas C. Scheinost
Andreas C. Scheinost Helmholtz-Zentrum Dresden-Rossendorf

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Best Scientists Citing Jean-Jacques Ehrhardt

Khalil Hanna

Khalil Hanna

Institut Universitaire de France

Publications: 30

Wangsuo Wu

Wangsuo Wu

Lanzhou University

Publications: 29

Changlun Chen

Changlun Chen

Chinese Academy of Sciences

Publications: 28

Joël Scher

Joël Scher

University of Lorraine

Publications: 25

Xiaoli Tan

Xiaoli Tan

North China Electric Power University

Publications: 22

Tasawar Hayat

Tasawar Hayat

Quaid-i-Azam University

Publications: 22

Laurent Charlet

Laurent Charlet

Grenoble Alpes University

Publications: 16

Xiangxue Wang

Xiangxue Wang

North China Electric Power University

Publications: 16

Jiaxing Li

Jiaxing Li

Chinese Academy of Sciences

Publications: 16

Yubing Sun

Yubing Sun

North China Electric Power University

Publications: 14

Michelle M. Scherer

Michelle M. Scherer

University of Iowa

Publications: 13

Guodong Sheng

Guodong Sheng

Shaoxing University

Publications: 13

Bhesh Bhandari

Bhesh Bhandari

University of Queensland

Publications: 13

Shitong Yang

Shitong Yang

Xi'an Jiaotong University

Publications: 12

Kim F. Hayes

Kim F. Hayes

University of Michigan–Ann Arbor

Publications: 12

Kenneth M. Kemner

Kenneth M. Kemner

Argonne National Laboratory

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