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Chemistry
Netherlands
2025

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 78 3862 3501 90 78 238 19417

Luuk K. Koopal publications per year

The chart shows the history of publications by Luuk K. Koopal between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Luuk K. Koopal published across 54 years, from 1972 to 2025, averaging 4.7 papers a year. Output peaked at 13 publications in 1996. 4 of the 256 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1972 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 1996. 1972: 1 publication 1973: 0 publications 1974: 0 publications 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 1 publication 1979: 1 publication 1980: 0 publications 1981: 2 publications 1982: 2 publications 1983: 2 publications 1984: 0 publications 1985: 2 publications 1986: 6 publications 1987: 5 publications 1988: 5 publications 1989: 2 publications 1990: 10 publications 1991: 7 publications 1992: 7 publications 1993: 10 publications 1994: 8 publications 1995: 7 publications 1996: 13 publications 1997: 12 publications 1998: 12 publications 1999: 13 publications 2000: 4 publications 2001: 6 publications 2002: 5 publications 2003: 3 publications 2004: 8 publications 2005: 11 publications 2006: 9 publications 2007: 6 publications 2008: 4 publications 2009: 6 publications 2010: 2 publications 2011: 4 publications 2012: 5 publications 2013: 6 publications 2014: 7 publications 2015: 6 publications 2016: 4 publications 2017: 3 publications 2018: 9 publications 2019: 4 publications 2020: 2 publications 2021: 5 publications 2022: 4 publications 2023: 0 publications 2024: 3 publications 2025: 1 publication
1972 2025

256 publications in total across all disciplines

View publications per year as a table
Luuk K. Koopal: publications per year, 1972 to 2025
Year Publications
1972 1
1973 0
1974 0
1975 1
1976 0
1977 0
1978 1
1979 1
1980 0
1981 2
1982 2
1983 2
1984 0
1985 2
1986 6
1987 5
1988 5
1989 2
1990 10
1991 7
1992 7
1993 10
1994 8
1995 7
1996 13
1997 12
1998 12
1999 13
2000 4
2001 6
2002 5
2003 3
2004 8
2005 11
2006 9
2007 6
2008 4
2009 6
2010 2
2011 4
2012 5
2013 6
2014 7
2015 6
2016 4
2017 3
2018 9
2019 4
2020 2
2021 5
2022 4
2023 0
2024 3
2025 1
Total 256
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Luuk K. Koopal 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 Luuk K. Koopal 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, 221–240 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: 238 publications — 46th percentile

46% 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
201–220 1,281
221–240 1,216 238
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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Luuk K. Koopal 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 Luuk K. Koopal 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, 78–79 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: 78 D-Index — 79th percentile

79% 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
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 78
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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Research.com Recognitions

  • 2025 - Research.com Chemistry in Netherlands Leader Award
  • 2022 - Research.com Chemistry in Netherlands Leader Award

Overview

Luuk K. Koopal is affiliated with Wageningen University & Research in the Netherlands and has made contributions primarily within the field of Environmental Science. Their research intersects several subfields including Water Science and Technology, Biomaterials, Atomic and Molecular Physics and Optics, Physical and Theoretical Chemistry, and Renewable Energy, Sustainability and the Environment.

Their published work covers a range of topics, with a focus on clay minerals and soil interactions, spectroscopy and quantum chemical studies, electrostatics and colloid interactions, iron oxide chemistry and applications, adsorption and biosorption for pollutant removal, geophysical and geoelectrical methods, as well as minerals flotation and separation techniques.

Koopal's frequent publication venues include:

  • Water Research
  • The Science of The Total Environment
  • Colloids and Surfaces A Physicochemical and Engineering Aspects
  • Advances in Colloid and Interface Science
  • ACS Sustainable Chemistry & Engineering

Their recent papers include:

  • Equilibrium mono- and multicomponent adsorption models: From homogeneous ideal to heterogeneous non-ideal binding, 2020, Advances in Colloid and Interface Science
  • Quantitative Characterization of the Site Density and the Charged State of Functional Groups on Biochar, 2021, ACS Sustainable Chemistry & Engineering
  • Facet-dependent surface charge and Pb2+ adsorption characteristics of hematite nanoparticles: CD-MUSIC-eSGC modeling, 2020, Environmental Research
  • Generic CD-MUSIC-eSGC model parameters to predict the surface reactivity of iron (hydr)oxides, 2022, Water Research
  • Conformational modifications of lysozyme caused by interaction with humic acid studied with spectroscopy, 2021, The Science of The Total Environment

Frequent co-authors with whom Luuk K. Koopal has collaborated include Wenfeng Tan, Juan Xiong, Mingxia Wang, Marcelo J. Avena, and Yu Liang.

Best Publications

  • Measurement and interpretation of electrokinetic phenomena

    A.V. Delgado;F. González-Caballero;R.J. Hunter;L.K. Koopal

  • ION BINDING TO NATURAL ORGANIC MATTER : COMPETITION, HETEROGENEITY, STOICHIOMETRY AND THERMODYNAMIC CONSISTENCY

    David G Kinniburgh;Willem H van Riemsdijk;Luuk K Koopal;Michal Borkovec

  • Metal Ion Binding to Humic Substances: Application of the Non-Ideal Competitive Adsorption Model

    M F Benedetti;C J Milne;D G Kinniburgh;W H Van Riemsdijk

  • Measurement and Interpretation of Electrokinetic Phenomena (IUPAC Technical Report)

    A. V. Delgado;F. González-Caballero;R. J. Hunter;L. K. Koopal

  • Metal ion binding by humic acid: application of the NICA-Donnan model.

    D.G. Kinniburgh;Chr.J. Milne;M.F. Benedetti;J.P. Pinheiro

  • Adsorption of humic acid to mineral particles. 1. Specific and electrostatic interacions.

    A.W.P. Vermeer;W.H. van Riemsdijk;L.K. Koopal

  • Humic Substances Considered as a Heterogeneous Donnan Gel Phase

    M.F. Benedetti;W.H. van Riemsdijk;L.K. Koopal

  • Analytical Isotherm Equations for Multicomponent Adsorption to Heterogeneous Surfaces

    L.K. Koopal;W.H. van Riemsdijk;J.C.M. de Wit;M.F. Benedetti

  • Metal ion binding by natural organic matter: from the model to the field

    M.F. Benedetti;W.H. van Riemsdijk;L.K. Koopal;David Kinniburgh

  • Adsorption of Humic Substances on Goethite: Comparison between Humic Acids and Fulvic Acids †

    Liping Weng;Willem H van Riemsdijk;Luuk K Koopal;Tjisse Hiemstra

  • Ion binding to natural organic matter: General considerations and the NICA–Donnan model

    L.K. Koopal;T. Saito;J.P. Pinheiro;W.H. van Riemsdijk

  • Electrolyte adsorption on heterogeneous surfaces: adsorption models

    W.H Van Riemsdijk;G.H Bolt;L.K Koopal;J Blaakmeer

  • Adsorption of cationic surfactants on silica. Surface charge effects.

    Tatiana P. Goloub;Luuk K. Koopal;Bert H. Bijsterbosch;Marianna P. Sidorova

  • Proton binding to humic substances. 1. Electrostatic effects

    J.C.M. de Wit;W.H. van Riemsdijk;L.K. Koopal

  • Metal ion adsorption on heterogeneous surfaces; Adsorption models.

    W.H. van Riemsdijk;J.C.M. de Wit;L.K. Koopal;G.H. Bolt

  • Metal Ion Adsorption to Complexes of Humic Acid and Metal Oxides: Deviations from the Additivity Rule

    A.W.P. Vermeer;J.K. McCulloch;W.H. van Riemsdijk;L.K. Koopal

  • Adsorption of humic acids to mineral particles. 2. Polydispersity effects with polyelectrolyte adsorption.

    A.W.P. Vermeer;L.K. Koopal

  • Adsorption of cationic and anionic surfactants on charged metal oxide surfaces

    Luuk K. Koopal;Ellen M. Lee;Marcel R. Böhmer

  • Determination of the point-of-zero, charge of manganese oxides with different methods including an improved salt titration method

    Wen-feng Tan;Si-jun Lu;Fan Liu;Xiong-han Feng

  • Adsorption of ionic surfactants on variable-charge surfaces. 1. Charge effects and structure of the adsorbed layer

    Marcel R. Bohmer;Luuk K. Koopal

Frequent Co-Authors

W.H. van Riemsdijk
W.H. van Riemsdijk Wageningen University & Research
Fan Liu
Fan Liu Huazhong Agricultural University
Xionghan Feng
Xionghan Feng Huazhong Agricultural University
Johannes Lyklema
Johannes Lyklema Wageningen University & Research
Marcelo J. Avena
Marcelo J. Avena Universidad Nacional del Sur
Marc F. Benedetti
Marc F. Benedetti Institut de Physique du Globe de Paris
Xiaoming Wang
Xiaoming Wang Florida State University
Lirong Zheng
Lirong Zheng Chinese Academy of Sciences
Mengqiang Zhu
Mengqiang Zhu University of Maryland, College Park
William A. Ducker
William A. Ducker Virginia Tech

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