Ronald L. Malcolm

7.8k citations

39 papers · 6.0k indexed · 4 hit papers · h-index 26

Impact in

Health, Toxicology and Mutagenesis top 0.2%
- Water Treatment and Disinfection
- Toxic Organic Pollutants Impact
Environmental Chemistry top 0.5%
- Soil and Water Nutrient Dynamics

Papers in

Oceanography 11
- Marine and environmental studies 5
- Marine and coastal ecosystems 5
Earth-Surface Processes 5
- Aquatic and Environmental Studies 5

Co-authors: E. Michael Thurman Patrick MacCarthy Daniel E. Kile Cary T. Chiou Terry I. Brinton David A. Reckhow Philip C. Singer George R. Aiken
Journals: Environmental Science & Technology (8 papers)Analytical Chemistry (4 papers)Geochimica et Cosmochimica Acta (3 papers)Environment International (3 papers)Organic Geochemistry (3 papers)
Partner nations: United States United Kingdom Australia

In The Last Decade

Ronald L. Malcolm

38 papers receiving 5.4k citations

Hit Papers

align trajectories log scale

Chlorination of humic materials: byproduct formation and chemical interpretations 1990 · 610 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1990 Environmental Science & Technology
1986 Environmental Science & Technology
1983 Geochimica et Cosmochimica Acta
1981 Environmental Science & Technology

Peers

Countries citing papers authored by Ronald L. Malcolm

Since Specialization

Citations

This map shows the geographic impact of Ronald L. Malcolm's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ronald L. Malcolm with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ronald L. Malcolm more than expected).

Fields of papers citing papers by Ronald L. Malcolm

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ronald L. Malcolm. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ronald L. Malcolm. The network helps show where Ronald L. Malcolm may publish in the future.

Co-authors

The 25 scholars most cited alongside Ronald L. Malcolm, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Ronald L. Malcolm Line = papers co-authored together Ronald L. Malcolm links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	HTA127 No Half Measures: Health Inequalities in Technology Appraisal Value in Health ·Ronald L. Malcolm, Steven Paul Woods, Heather A. Holmes, Michael Taylor	2023	0
2	33. Source Profiles and Emissions Quantitation of PCBS from Transformers to Ambient Air Ronald L. Malcolm, Nayanjyoti Sarmah, W. J. Mills, leoncrz	2004	1
3	Chemistry and potential mutagenicity of humic substances in waters from different watersheds in Britain and Ireland Water Research ·B.E. Watt, Ronald L. Malcolm, M.H.B. Hayes, Jerrold S. Maximen, J.K. Chipman	1996	44
4	Organic solute changes with acidification in lake Skjervatjern as shown by 1H-NMR spectroscopy Environment International ·Ronald L. Malcolm, Fang Gu	1994	7
5	13C-NMR spectra and contact time experiment for Skjervatjern fulvic and humic acids Environment International ·Ronald L. Malcolm	1992	22
6	Chemical properties and solid-state CPMAS 13C-NMR of composted organic matter The Science of The Total Environment ·Y. Chen, Y. Inbar, Yitzhak Hadar, Ronald L. Malcolm	1989	41
7	Low molecular weight species in humic and fulvic fractions Organic Geochemistry ·Michael A. Wilson, Philip J. Collin, Ronald L. Malcolm, E. Michael Perdue, Vilho Ranto	1988	44
8	CPMAS ¹³C NMR and IR spectra of spruce and pine litter and of the Klason lignin fraction at different stages of decomposition Zeitschrift für Pflanzenernährung und Bodenkunde ·Wolfgang Zech, Maj‐Britt Johansson, Ludwig Haumaier, Ronald L. Malcolm	1987	72
9	Presence and potential significance of aromatic-ketone groups in aquatic humic substances Organic Geochemistry ·Jerry A. Leenheer, Michael A. Wilson, Ronald L. Malcolm	1987	69
10	Molecular weight of aquatic fulvic acids by vapor pressure osmometry Geochimica et Cosmochimica Acta ·George R. Aiken, Ronald L. Malcolm	1987	129
11	A comparison of water solubility enhancements of organic solutes by aquatic humic materials and commercial humic acids Environmental Science & Technology ·Cary T. Chiou, Daniel E. Kile, Terry I. Brinton, Ronald L. Malcolm, Jerry A. Leenheer, Patrick MacCarthy	1987	306
12	A unified physicochemical description of the protonation and metal ion complexation equilibria of natural organic acids (humic and fulvic acids). 2. Influence of polyelectrolyte properties and functional group heterogeneity on the protonation equilibria of fulvic acid Environmental Science & Technology ·James H. Ephraim, Salvador Alegret, Brigita Plander, A A Kazieva, Ronald L. Malcolm, Jacob A. Marinsky	1986	103
13	Comparison of XAD macroporous resins for the concentration of fulvic acid from aqueous solution Analytical Chemistry ·George R. Aiken, E. Michael Thurman, Ronald L. Malcolm, Harold F. Walton	1979	253
14	Separation of humic substances by pH gradient desorption from a hydrophobic resin Analytical Chemistry ·Patrick MacCarthy, Michael Peterson, Ronald L. Malcolm, E. Michael Thurman	1979	29
15	Geochemistry of the Mattole River in Northern California Antarctica A Keystone in a Changing World ·Vance C. Kennedy, Ronald L. Malcolm	1977	20
16	Method and importance of obtaining humic and fulvic acids of high purity Journal research U. S. geological survey ·Ronald L. Malcolm	1976	13
17	Physical, chemical, and biological aspects of subsurface organic waste injection near Wilmington, North Carolina Antarctica A Keystone in a Changing World ·Jerry A. Leenheer, Ronald L. Malcolm, W. R. White	1976	4
18	Dissolved Organic Carbon (DOC), an Index of Organic Contamination in Ground Water Near Barstow, California Ground Water ·Anna Kahilainen, S. R. Samsani, Ronald L. Malcolm	1974	6
19	Rate of Cation Exchange on Clay Minerals as Determined by Specific‐Ion Electrode Techniques Soil Science Society of America Journal ·Ronald L. Malcolm, V.C. Kennedy	1969	33
20	Canopy Drip: A Source of Mobile Soil Organic Matter for Mobilization of Iron and Aluminum Soil Science Society of America Journal ·Ronald L. Malcolm, R. J. McCracken	1968	28

About Ronald L. Malcolm

Ronald L. Malcolm is a scholar working on Oceanography, Earth-Surface Processes, Environmental Chemistry, Industrial and Manufacturing Engineering and Ecology, having authored 39 papers that have together received 6.0k indexed citations. Recurring topics across this work include Isotope Analysis in Ecology (8 papers), Marine and environmental studies (5 papers), Water Quality and Resources Studies (5 papers), Food Industry and Aquatic Biology (5 papers), Marine and coastal ecosystems (5 papers), Aquatic and Environmental Studies (5 papers), Groundwater flow and contamination studies (4 papers) and Analytical Chemistry and Chromatography (3 papers). The work is most often cited by research in Health, Toxicology and Mutagenesis (2.0k citations), Environmental Chemistry (1.1k citations), Pollution (1.3k citations), Oceanography (1.4k citations) and Geochemistry and Petrology (536 citations). Ronald L. Malcolm has collaborated with scholars based in United States, United Kingdom and Australia. Frequent co-authors include E. Michael Thurman, Patrick MacCarthy, Daniel E. Kile, Cary T. Chiou, Terry I. Brinton, David A. Reckhow, Philip C. Singer, George R. Aiken, Barry G. Oliver and Jerry A. Leenheer. Their work appears in journals such as Environmental Science & Technology, Analytical Chemistry, Geochimica et Cosmochimica Acta, Environment International and Organic Geochemistry.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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