Richard H. Loeppert

16.6k total citations · 2 hit papers
86 papers, 13.0k citations indexed

About

Richard H. Loeppert is a scholar working on Environmental Chemistry, Biomaterials and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, Richard H. Loeppert has authored 86 papers receiving a total of 13.0k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Environmental Chemistry, 26 papers in Biomaterials and 26 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in Richard H. Loeppert's work include Iron oxide chemistry and applications (26 papers), Plant Micronutrient Interactions and Effects (23 papers) and Clay minerals and soil interactions (23 papers). Richard H. Loeppert is often cited by papers focused on Iron oxide chemistry and applications (26 papers), Plant Micronutrient Interactions and Effects (23 papers) and Clay minerals and soil interactions (23 papers). Richard H. Loeppert collaborates with scholars based in United States, Taiwan and Bangladesh. Richard H. Loeppert's co-authors include Donald L. Sparks, Cliff T. Johnston, M. E. Sumner, A. L. Page, P. N. Soltanpour, Philip A. Helmke, M. A. Tabatabai, Amita Jain, K. P. Raven and Brandon J. Lafferty and has published in prestigious journals such as Environmental Science & Technology, Geochimica et Cosmochimica Acta and Environmental Pollution.

In The Last Decade

Richard H. Loeppert

86 papers receiving 12.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Methods of soil analysis. Part 3 - chemical methods.

1996 7.6k citations Richard H. Loeppert et al. profile →
Arsenite and Arsenate Adsorption on Ferrihydrite: Kinetics, Equilibrium, and Adsorption Envelopes

1998 1.2k citations K. P. Raven, Amita Jain et al. Environmental Science & Technology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Richard H. Loeppert United States	32	5.0k	3.6k	3.4k	2.9k	1.7k	86	13.0k
Jon Chorover United States	61	3.0k 0.6×	2.7k 0.7×	2.3k 0.7×	1.0k 0.4×	1.0k 0.6×	269	12.8k
Randy A. Dahlgren United States	73	4.2k 0.8×	3.5k 1.0×	3.6k 1.0×	1.9k 0.7×	1.7k 1.0×	388	17.6k
M. Schnitzer Canada	64	2.7k 0.5×	6.2k 1.7×	3.5k 1.0×	2.8k 1.0×	1.4k 0.8×	299	17.6k
Klaus Kaiser Germany	61	4.7k 0.9×	7.4k 2.1×	2.2k 0.6×	1.5k 0.5×	692 0.4×	210	15.5k
Philip A. Helmke United States	26	1.9k 0.4×	3.3k 0.9×	2.4k 0.7×	2.2k 0.8×	917 0.5×	52	9.8k
Balwant Singh Australia	53	1.8k 0.4×	3.6k 1.0×	2.6k 0.8×	1.3k 0.4×	660 0.4×	238	11.1k
Samuel J. Traina United States	53	3.0k 0.6×	1.2k 0.3×	3.6k 1.1×	1.0k 0.4×	2.3k 1.3×	139	11.0k
Karsten Kalbitz Germany	56	5.3k 1.1×	7.8k 2.2×	3.0k 0.9×	1.9k 0.7×	1.1k 0.6×	187	16.7k
Wolfgang Zech Germany	60	2.6k 0.5×	8.6k 2.4×	3.1k 0.9×	2.8k 1.0×	1.4k 0.8×	266	17.5k
W. H. Patrick United States	62	4.3k 0.9×	2.3k 0.7×	3.0k 0.9×	3.2k 1.1×	925 0.5×	223	13.0k

Countries citing papers authored by Richard H. Loeppert

Since Specialization

Citations

This map shows the geographic impact of Richard H. Loeppert'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 Richard H. Loeppert with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Richard H. Loeppert more than expected).

Fields of papers citing papers by Richard H. Loeppert

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard H. Loeppert. 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 Richard H. Loeppert. The network helps show where Richard H. Loeppert may publish in the future.

Co-authorship network of co-authors of Richard H. Loeppert

This figure shows the co-authorship network connecting the top 25 collaborators of Richard H. Loeppert. A scholar is included among the top collaborators of Richard H. Loeppert based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Richard H. Loeppert. Richard H. Loeppert is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Aitkenhead‐Peterson, Jacqueline A., et al.. (2014). Shea (Vitellaria paradoxa) tree and soil parent material effects on soil properties and intercropped sorghum grain-Zn in southern Mali, West Africa. Plant and Soil. 386(1-2). 21–33. 6 indexed citations

Hollister, Emily B., Ma. del Carmen A. Gónzalez‐Chávez, Frank M. Hons, et al.. (2012). Impacts of Cropping Systems and Long-Term Tillage on Soil Microbial Population Levels and Community Composition in Dryland Agricultural Setting. 2012. 1–11. 19 indexed citations

Deng, Yinan, et al.. (2009). Mineralogy and Geochemical Processes of Carbonate Mineral-rich Sulfide Mine Tailings, Zimapan, Mexico. AGU Fall Meeting Abstracts. 2009. 1 indexed citations

James, W. D., et al.. (2008). Arsenic speciation: HPLC followed by ICP-MS or INAA. Journal of Radioanalytical and Nuclear Chemistry. 278(2). 267–270. 15 indexed citations

Masue, Yoko, et al.. (2006). Arsenate and Arsenite Adsorption and Desorption Behavior on Coprecipitated Aluminum:Iron Hydroxides. Environmental Science & Technology. 41(3). 837–842. 351 indexed citations

Lafferty, Brandon J. & Richard H. Loeppert. (2005). Methyl Arsenic Adsorption and Desorption Behavior on Iron Oxides. Environmental Science & Technology. 39(7). 2120–2127. 237 indexed citations

Sen, Robin, Mohammad Asadul Haque, Kaizar Hossain, et al.. (2005). Arsenic status of water, soil, rice grain and straw of individual shallow tube well command area of Brahmanbaria. 10 indexed citations

Howe, Julie A., Richard H. Loeppert, Victoria J. DeRose, Douglas B. Hunter, & Paul M. Bertsch. (2003). Localization and Speciation of Chromium in Subterranean Clover Using XRF, XANES, and EPR Spectroscopy. Environmental Science & Technology. 37(18). 4091–4097. 61 indexed citations

Tzou, Yu-Min, et al.. (2003). Sorption of Phosphate and Cr(VI) by Fe(III) and Cr(III) Hydroxides. Archives of Environmental Contamination and Toxicology. 44(4). 445–453. 40 indexed citations

10.

Howe, Julie A., et al.. (1999). Column chromatography and verification of phytosiderophores by phenylisothiocyanate derivatization and UV detection. Journal of Chromatography A. 841(2). 155–164. 16 indexed citations

11.

Raven, K. P., Amita Jain, & Richard H. Loeppert. (1998). Arsenite and Arsenate Adsorption on Ferrihydrite: Kinetics, Equilibrium, and Adsorption Envelopes. Environmental Science & Technology. 32(3). 344–349. 1208 indexed citations breakdown →

12.

Loeppert, Richard H., et al.. (1998). A Selection Procedure for Iron-deficiency Stress Tolerance among Warm-season Turfgrasses Using Ferrihydrite-amended Growth Media. HortScience. 33(5). 841–844. 3 indexed citations

13.

Ocumpaugh, W. R., et al.. (1994). Plant growth and nutrient uptake characteristics of Fe-deficiency chlorosis susceptible and resistant subclovers. Plant and Soil. 165(2). 235–240. 9 indexed citations

14.

Vempati, R. K. & Richard H. Loeppert. (1988). Chemistry and mineralogy of Fe‐containing oxides and layer silicates in relation to plant available iron. Journal of Plant Nutrition. 11(6-11). 1557–1574. 21 indexed citations

15.

Loeppert, Richard H.. (1986). Reactions of iron and carbonates in calcareous soils. Journal of Plant Nutrition. 9(3-7). 195–214. 64 indexed citations

16.

Geiger, S. C. & Richard H. Loeppert. (1986). Correlation of DTPA extractable Fe with indigenous properties of selected calcareous soils. Journal of Plant Nutrition. 9(3-7). 229–240. 14 indexed citations

17.

Vempati, R. K. & Richard H. Loeppert. (1986). Synthetic ferrihydrite as a potential iron amendment in calcareous soils. Journal of Plant Nutrition. 9(3). 1039–1052. 34 indexed citations

18.

Clarke, Eric T., Richard H. Loeppert, & James M. Ehrman. (1985). Crystallization of Iron Oxides on Calcite Surfaces in Static Systems. Clays and Clay Minerals. 33(2). 152–158. 17 indexed citations

19.

Loeppert, Richard H. & M. M. Mortland. (1979). The Influence of Heat-Stable Intercalate on the Rate of Dehydroxylation of Smectite. Clays and Clay Minerals. 27(5). 373–376. 9 indexed citations

20.

Loeppert, Richard H., et al.. (1977). Acidic Properties of Kaolinite in Water and Acetonitrile. Soil Science Society of America Journal. 41(6). 1101–1106. 3 indexed citations

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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