World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
68
Citations
19177
World Ranking
6439
National Ranking
1953

Herbert E. Allen 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 Herbert E. Allen sits on this spectrum.

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 publications 1,295+

This scientist: 163 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

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

Herbert E. Allen 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 Herbert E. Allen sits on this spectrum.

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 D-Index 159+

This scientist: 68 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Overview

Herbert E. Allen is affiliated with the University of Delaware in the United States. Their research primarily spans environmental science and chemistry, with specific focus on subfields such as renewable energy, sustainability, inorganic chemistry, biomedical engineering, water science, pollution, and environmental remediation.

The scientist has published extensively on topics including radioactive element chemistry and processing, environmental remediation with nanomaterials, advanced oxidation water treatment, iron oxide chemistry and applications, pharmaceutical and antibiotic environmental impacts, electrochemical analysis and applications, and arsenic contamination and mitigation.

Herbert E. Allen's publications have appeared most frequently in the venues Environmental Science & Technology, with eight publications, and Environmental Toxicology and Chemistry, with two publications.

Some of their recent papers include:

  • Reduction of 3-Nitro-1,2,4-Triazol-5-One (NTO) by the Hematite-Aqueous Fe(II) Redox Couple, 2020, Environmental Science & Technology
  • Reductive Transformation of 3-Nitro-1,2,4-triazol-5-one (NTO) by Leonardite Humic Acid and Anthraquinone-2,6-disulfonate (AQDS), 2021, Environmental Science & Technology
  • Electron Transfer Energy and Hydrogen Atom Transfer Energy-Based Linear Free Energy Relationships for Predicting the Rate Constants of Munition Constituent Reduction by Hydroquinones, 2023, Environmental Science & Technology
  • Linear Free Energy Relationship for Predicting the Rate Constants of Munition Compound Reduction by the Fe(II)-Hematite and Fe(II)-Goethite Redox Couples, 2023, Environmental Science & Technology
  • Hydrogen Atom Transfer Reaction Free Energy as a Predictor of Abiotic Nitroaromatic Reduction Rate Constants: A Comprehensive Analysis, 2020, Environmental Toxicology and Chemistry

Frequent co-authors in their work include Dominic M. Di Toro, Richard F. Carbonaro, Pei C. Chiu, Jimmy Murillo-Gelvez, and Kevin P. Hickey.

Best Publications

  • Technical basis for establishing sediment quality criteria for nonionic organic chemicals using equilibrium partitioning

    Dominic M. Di Toro;Christopher S. Zarba;David J. Hansen;Walter J. Berry

  • Biotic ligand model of the acute toxicity of metals. 1. Technical Basis

    Dominic M. Di Toro;Herbert E. Allen;Harold L. Bergman;Joseph S. Meyer

  • Solid-Solution Partitioning of Metals in Contaminated Soils: Dependence on pH, Total Metal Burden, and Organic Matter

    Sébastien Sauvé;William Hendershot;Herbert E. Allen

  • Analysis of acid-volatile sulfide (AVS) and simultaneously extracted metals (SEM) for the estimation of potential toxicity in aquatic sediments

    Herbert E. Allen;Gongmin Fu;Baolin Deng

  • Biotic ligand model of the acute toxicity of metals. 2. Application to acute copper toxicity in freshwater fish and Daphnia.

    Robert C. Santore;Dominic M. Di Toro;Paul R. Paquin;Herbert E. Allen

  • Ecotoxicology of metals in aquatic sediments: binding and release, bioavailability, risk assessment, and remediation

    Peter M Chapman;Feiyue Wang;Colin Janssen;Guido Persoone

  • Characterization of isolated fractions of dissolved organic matter from natural waters and a wastewater effluent

    Huizhong Ma;Herbert E Allen;Yujun Yin

  • Metal speciation. Effects on aquatic toxicity.

    Herbert E. Allen;Richard H. Hall;Thomas D. Brisbin

  • The importance of trace metal speciation to water quality criteria

    Herbert E. Allen;David J. Hansen

  • Adsorption of Mercury(II) by Soil: Effects of pH, Chloride, and Organic Matter

    Yujun Yin;Herbert E. Allen;Yimin Li;C. P. Huang

  • The importance of organic matter distribution and extract soil:solution ratio on the desorption of heavy metals from soils.

    Yujun Yin;Christopher A. Impellitteri;Sun-Jae You;Herbert E. Allen

  • A Terrestrial Biotic Ligand Model. 1. Development and Application to Cu and Ni Toxicities to Barley Root Elongation in Soils

    Sagar Thakali;Herbert E Allen;Dominic M Di Toro;Alexander A Ponizovsky

  • Kinetics of Mercury(II) Adsorption and Desorption on Soil

    Yujun Yin;Herbert E. Allen;C. P. Huang;Donald L. Sparks

  • Binding of Nickel and Copper to Fish Gills Predicts Toxicity When Water Hardness Varies, But Free-Ion Activity Does Not

    Joseph S. Meyer;Robert C. Santore;Joe P. Bobbitt;Larry D. DeBrey

  • Partitioning of organic matter in soils: effects of pH and water/soil ratio

    Sun-Jae You;Yujun Yin;Herbert E Allen

  • A Conceptual Framework for Implementation of Bioavailability of Metals for Environmental Management Purposes

    W.J.G.M. Peijnenburg;L. Posthuma;H.J.P. Eijsackers;H.E. Allen

  • Characterization of copper complexation with natural dissolved organic matter (DOM)--link to acidic moieties of DOM and competition by Ca and Mg.

    Yuefeng Lu;Herbert E. Allen

  • Predicting soil-water partition coefficients for cadmium

    Suen-Zone Lee;Herbert E. Allen;C. P. Huang;Donald L. Sparks

  • Effect of kinetics of complexation by humic acid on toxicity of copper to Ceriodaphnia dubia

    Huizhong Ma;Sang Don Kim;Daniel K. Cha;Herbert E. Allen

  • Sediment pore water collection methods for trace metal analysis : a review

    Steven E. Bufflap;Herbert E. Allen

  • Remediation of metal contaminated soil by EDTA incorporating electrochemical recovery of metal and EDTA

    Herbert E. Allen;Ping-Hsien Chen

Frequent Co-Authors

Dominic M. Di Toro
Dominic M. Di Toro University of Delaware
Chin-Pao Huang
Chin-Pao Huang University of Delaware
Colin R. Janssen
Colin R. Janssen Ghent University
Donald L. Sparks
Donald L. Sparks University of Delaware
Willie J.G.M. Peijnenburg
Willie J.G.M. Peijnenburg Leiden University
Peter M. Chapman
Peter M. Chapman Golder Associates (Canada)
Chih-Huang Weng
Chih-Huang Weng I-Shou University
Karel De Schamphelaere
Karel De Schamphelaere Ghent University
Sébastien Sauvé
Sébastien Sauvé University of Montreal
Jalal Hawari
Jalal Hawari Polytechnique Montréal

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