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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 55 12391 229 135 8336

Johan C. Kraak publications per year

The chart shows the history of publications by Johan C. Kraak between 1972 and 2013, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Johan C. Kraak published across 42 years, from 1972 to 2013, averaging 3.3 papers a year. Output peaked at 12 publications in 1997. 1 of the 137 publications appeared in the last two years.

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

137 publications in total across all disciplines

View publications per year as a table
Johan C. Kraak: publications per year, 1972 to 2013
Year Publications
1972 1
1973 0
1974 1
1975 0
1976 2
1977 4
1978 9
1979 3
1980 7
1981 10
1982 5
1983 5
1984 3
1985 5
1986 9
1987 6
1988 2
1989 6
1990 8
1991 5
1992 2
1993 5
1994 6
1995 5
1996 6
1997 12
1998 5
1999 2
2000 1
2001 0
2002 0
2003 0
2004 0
2005 1
2006 0
2007 0
2008 0
2009 0
2010 0
2011 0
2012 0
2013 1
Total 137
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Johan C. Kraak 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 Johan C. Kraak 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: 135 publications — 9th percentile

9% 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
121–140 918 135
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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Johan C. Kraak 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 Johan C. Kraak 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, 54–55 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: 55 D-Index — 33rd percentile

33% 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 55
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

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Chromatography
  • Ion

Johan C. Kraak mostly deals with Chromatography, Phase, Analytical chemistry, Capillary electrophoresis and Capillary action. His biological study spans a wide range of topics, including Adsorption and Solvent. His work in Adsorption tackles topics such as Coating which are related to areas like Layer.

His Phase research includes themes of Thermal, Electrochromatography, Stationary phase, Capillary electrochromatography and Electro-osmosis. His Capillary electrophoresis research is multidisciplinary, incorporating perspectives in Benzoin and Resolution. His High-performance liquid chromatography research is multidisciplinary, incorporating elements of Detection limit and Argon.

His most cited work include:

  • Simple and fast solvent extraction system for selective and quantitative isolation of adrenaline, noradrenaline and dopamine from plasma and urine. (395 citations)
  • Capillary zone electrophoretic separations of proteins in polyethylene glycol-modified capillaries (250 citations)
  • Comparison of five methods for the study of drug-protein binding in affinity capillary electrophoresis. (201 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Chromatography, Analytical chemistry, High-performance liquid chromatography, Phase and Column chromatography. His study looks at the relationship between Chromatography and fields such as Capillary action, as well as how they intersect with chemical problems. His work deals with themes such as Porosity, Polymer and Packed bed, which intersect with Analytical chemistry.

His research in High-performance liquid chromatography tackles topics such as Adsorption which are related to areas like Ethyl acetate. His study in the field of Capacity factor is also linked to topics like Selectivity. His studies deal with areas such as Chromatography detector and Silicone as well as Column chromatography.

He most often published in these fields:

  • Chromatography (90.83%)
  • Analytical chemistry (33.33%)
  • High-performance liquid chromatography (31.67%)

What were the highlights of his more recent work (between 1996-2000)?

  • Chromatography (90.83%)
  • Analytical chemistry (33.33%)
  • Capillary action (14.17%)

In recent papers he was focusing on the following fields of study:

His primary areas of investigation include Chromatography, Analytical chemistry, Capillary action, Capillary electrophoresis and Electrophoresis. His Polymer research extends to Chromatography, which is thematically connected. His work carried out in the field of Analytical chemistry brings together such families of science as Dispersion and Volumetric flow rate.

His Capillary action study combines topics in areas such as Adsorption and Electropherogram. His Electrophoresis study incorporates themes from Critical micelle concentration, Micelle, Stability constants of complexes and Buffer solution. He interconnects Phase and Ambient pressure in the investigation of issues within Capillary electrochromatography.

Between 1996 and 2000, his most popular works were:

  • Comparison of five methods for the study of drug-protein binding in affinity capillary electrophoresis. (201 citations)
  • Principles and limitations of methods available for the determination of binding constants with affinity capillary electrophoresis (92 citations)
  • Capillary electrochromatography with 1.5 μm ODS-modified non-porous silica spheres (85 citations)

In his most recent research, the most cited papers focused on:

  • Organic chemistry
  • Chromatography
  • Ion

The scientist’s investigation covers issues in Chromatography, Analytical chemistry, Vacancy defect, Capillary action and Capillary electrophoresis. His study in Chromatography is interdisciplinary in nature, drawing from both Carbon dioxide, Iodometry and Nitrogen. Johan C. Kraak has included themes like Porosity, Electro-osmosis and Phase in his Analytical chemistry study.

His Vacancy defect research encompasses a variety of disciplines, including Serum albumin, Plasma protein binding, Electrophoresis, Concentration effect and A protein. Capillary action is closely attributed to Packed bed in his work. The various areas that he examines in his Capillary electrochromatography study include Ionic strength, Capacity factor and Silica gel.

Best Publications

  • Simple and fast solvent extraction system for selective and quantitative isolation of adrenaline, noradrenaline and dopamine from plasma and urine.

    F. Smedes;J.C. Kraak;H. Poppe

  • Capillary zone electrophoretic separations of proteins in polyethylene glycol-modified capillaries

    G.J.M. Bruin;J.P. Chang;R.H. Kuhlman;K. Zegers

  • Comparison of five methods for the study of drug-protein binding in affinity capillary electrophoresis.

    M.H.A. Busch;L.B. Carels;H.F.M. Boelens;J.C. Kraak

  • Study of protein-drug binding using capillary zone electrophoresis.

    Johan C. Kraak;Sandra Busch;Hans Poppe

  • Solvent-generated ion-exchange systems with anionic surfactants for rapid separations of amino acids.

    J.C. Kraak;K.M. Jonker;J.F.K. Huber

  • Temperature gradients in HPLC columns due to viscous heat dissipation

    H. Poppe;J. C. Kraak;J. F. K. Huber;J. H. M. van den Berg

  • Performance of a physically adsorbed high-molecular-mass polyethyleneimine layer as coating for the separation of basic proteins and peptides by capillary electrophoresis

    F. Bedia Erim;Alejandro Cifuentes;Hans Poppe;Johan C. Kraak

  • Chiral separations by complexation with proteins in capillary zone electrophoresis

    Sandra Busch;Johan C. Kraak;Hans Poppe

  • Influence of thermal conditions on the efficiency of high-performance liquid chromatographic columns

    H. Poppe;J.C. Kraak

  • Performance of carbohydrate-modified fused-silica capillaries for the separation of proteins by zone electrophoresis.

    G.J.M. Bruin;R. Huisden;J.C. Kraak;H. Poppe

  • Experiences with packed capillary electrochromatography at ambient pressure

    S.E. van den Bosch;S. Heemstra;J.C. Kraak;H. Poppe

  • Principles and limitations of methods available for the determination of binding constants with affinity capillary electrophoresis

    M.H.A. Busch;J.C. Kraak;H. Poppe

  • Capabilities of on-line element-specific detection in high-performance liquid chromatography using an inductively coupled argon plasma emission source detector

    C.H. Gast;J.C. Kraak;H. Poppe;F.J.M.J. Maessen

  • RAPID SEPARATION OF METAL CHELATES BY COLUMN LIQUID--LIQUID CHROMATOGRAPHY USING ULTRAVIOLET DETECTION.

    J. F. K. Huber;J. C. Kraak;Hans. Veening

  • Distribution mechanism of ionizable substances in dynamic anion-exchange systems using cationic surfactants in high-performance liquid chromatography

    C.P. Terweij-groen;S. Heemstra;J.C. Kraak

  • Capillary electrochromatography with 1.5 μm ODS-modified non-porous silica spheres

    R. M. Seifar;W. Th. Kok;J. C. Kraak;H. Poppe

  • Study of the influence of competition and solvent interaction on retention in liquid-solid chromatography by measurement of activity coefficients in the mobile phase

    E.H. Slaats;J.C. Kraak;W.J.T. Brugman;H. Poppe

  • Electrically driven open-tubular liquid chromatography

    G.J.M. Bruin;P.P.H. Tock;J.C. Kraak;H. Poppe

  • Hydrodynamic and size-exclusion chromatography of polymers on porous particles

    G. Stegeman;J.C. Kraak;H. Poppe

  • Mass loadability of chromatographic columns

    H. Poppe;J.C. Kraak

Frequent Co-Authors

Hans Poppe
Hans Poppe University of Amsterdam
Alejandro Cifuentes
Alejandro Cifuentes Spanish National Research Council
U.R. Tjaden
U.R. Tjaden Leiden University
R.W. Frei
R.W. Frei Vrije Universiteit Amsterdam
Wilfried M. A. Niessen
Wilfried M. A. Niessen Vrije Universiteit Amsterdam
John H. Knox
John H. Knox University of Edinburgh
Kees Vrieze
Kees Vrieze University of Amsterdam
Peter J. Schoenmakers
Peter J. Schoenmakers University of Amsterdam

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