G.R. Choppin

1.4k total citations · 1 hit paper
41 papers, 1.1k citations indexed

About

G.R. Choppin is a scholar working on Inorganic Chemistry, Materials Chemistry and Industrial and Manufacturing Engineering. According to data from OpenAlex, G.R. Choppin has authored 41 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Inorganic Chemistry, 16 papers in Materials Chemistry and 8 papers in Industrial and Manufacturing Engineering. Recurrent topics in G.R. Choppin's work include Radioactive element chemistry and processing (23 papers), Lanthanide and Transition Metal Complexes (13 papers) and Chemical Synthesis and Characterization (7 papers). G.R. Choppin is often cited by papers focused on Radioactive element chemistry and processing (23 papers), Lanthanide and Transition Metal Complexes (13 papers) and Chemical Synthesis and Characterization (7 papers). G.R. Choppin collaborates with scholars based in United States and Japan. G.R. Choppin's co-authors include J.‐C. G. BUENZLI, D.E. Henrie, K. Buijs, Alfonso Mucci, Frank J. Millero, Peter J. Milne, J. C. Sullivan, Κ. L. Nash, Ε. N. Rizkalla and Linfeng Rao and has published in prestigious journals such as Journal of the American Chemical Society, Analytical Chemistry and The Journal of Physical Chemistry.

In The Last Decade

G.R. Choppin

41 papers receiving 1.0k 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.

Lanthanide Probes in Life, Chemical and Earth Sciences: Theory and Practice

1989 342 citations J.‐C. G. BUENZLI, G.R. Choppin Infoscience (Ecole Polytechnique Fédérale de Lausanne) profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
G.R. Choppin United States	16	670	490	223	148	100	41	1.1k
J.L. Ryan United States	25	1.1k 1.6×	1.1k 2.3×	126 0.6×	222 1.5×	61 0.6×	45	1.8k
J. C. Sullivan United States	19	564 0.8×	794 1.6×	58 0.3×	146 1.0×	40 0.4×	102	1.3k
A.E. Merbach Switzerland	19	545 0.8×	479 1.0×	154 0.7×	413 2.8×	113 1.1×	43	1.5k
A. G. Maddock United States	24	677 1.0×	623 1.3×	292 1.3×	377 2.5×	71 0.7×	151	1.9k
John H. Burns United States	23	713 1.1×	771 1.6×	159 0.7×	391 2.6×	33 0.3×	50	1.3k
Wolfgang Runde United States	23	726 1.1×	1.0k 2.1×	151 0.7×	79 0.5×	78 0.8×	53	1.3k
C. I. Ratcliffe Canada	24	477 0.7×	598 1.2×	288 1.3×	189 1.3×	31 0.3×	47	1.6k
Robert J. Donohoe United States	24	1.1k 1.7×	826 1.7×	360 1.6×	236 1.6×	18 0.2×	56	2.1k
António Pires de Matos Portugal	24	877 1.3×	1.2k 2.4×	158 0.7×	669 4.5×	106 1.1×	99	1.9k
C. Drew Tait United States	30	1.2k 1.9×	1.7k 3.5×	249 1.1×	301 2.0×	29 0.3×	65	2.7k

Countries citing papers authored by G.R. Choppin

Since Specialization

Citations

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

Fields of papers citing papers by G.R. Choppin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by G.R. Choppin. 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 G.R. Choppin. The network helps show where G.R. Choppin may publish in the future.

Co-authorship network of co-authors of G.R. Choppin

This figure shows the co-authorship network connecting the top 25 collaborators of G.R. Choppin. A scholar is included among the top collaborators of G.R. Choppin 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 G.R. Choppin. G.R. Choppin 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

Taylor, Robin J., Sergey I. Sinkov, & G.R. Choppin. (2008). Complexation of lanthanides and actinides by acetohydroxamic acid. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 1 indexed citations

Arisaka, Makoto, et al.. (1998). Variation of the Solvation Number of Eu(III) in Mixed System of Methanol and Water. Radiochimica Acta. 83(3). 153–156. 4 indexed citations

Suganuma, Hiroyuki, et al.. (1997). Am³⁺-F^- Interaction in Mixed System of Dimethyl Sulfoxide and Water. Radiochimica Acta. 77(4). 211–248. 6 indexed citations

Choppin, G.R. & Κ. L. Nash. (1995). Actinice separation science. Radiochimica Acta. 1 indexed citations

Nash, Κ. L., Linfeng Rao, & G.R. Choppin. (1995). Calorimetric and Laser Induced Fluorescence Investigation of the Complexation Geometry of Selected Europium-gem-Diphosphonate Complexes in Acidic Solutions. Inorganic Chemistry. 34(10). 2753–2758. 32 indexed citations

Choppin, G.R., et al.. (1992). ƒ-Element Complexation in Brine Solutions. Radiochimica Acta. 58-59(1). 101–104. 16 indexed citations

White, David H., Dean A. Moore, Robert A. Wallace, et al.. (1991). The Thermodynamics of Complexation of Lanthanide (III) DTPA-Bisamide Complexes and Their Implication for Stability and Solution Structure. Investigative Radiology. 26. S226–S228. 23 indexed citations

Sullivan, J. C., et al.. (1991). Calorimetric Studies of NpO⁺ ₂ Hydrolysis. Radiochimica Acta. 54(1). 17–20. 9 indexed citations

BUENZLI, J.‐C. G. & G.R. Choppin. (1989). Lanthanide Probes in Life, Chemical and Earth Sciences: Theory and Practice. Infoscience (Ecole Polytechnique Fédérale de Lausanne). 342 indexed citations breakdown →

10.

Millero, Frank J., et al.. (1985). Chemistry of calcium carbonate-rich shallow water sediments in the Bahamas. American Journal of Science. 285(2). 147–185. 109 indexed citations

11.

Choppin, G.R.. (1981). Research in nuclear chemistry. 3 indexed citations

12.

Choppin, G.R.. (1979). Interaction of actinides and humic acid. Transactions of the American Nuclear Society. 32(5). 549–56; discussion 556. 1 indexed citations

13.

Kullberg, Lennart & G.R. Choppin. (1977). Nuclear magnetic resonance study of the structure in solution of lanthanide complexes with benzene-1,2-dioxydiacetate. Inorganic Chemistry. 16(11). 2926–2931. 9 indexed citations

14.

Baisden, P. A., G.R. Choppin, & W. F. Kinard. (1972). Ion pairing of Am(III) with perchlorate. Journal of Inorganic and Nuclear Chemistry. 34(6). 2029–2032. 11 indexed citations

15.

D’Olieslager, W., et al.. (1970). The activation parameters for the exchange reactions between EuEDTA− and Eu(III) and Am(III). Journal of Inorganic and Nuclear Chemistry. 32(11). 3605–3610. 7 indexed citations

16.

Choppin, G.R., et al.. (1968). Lanthanide and actinide complexes of glycine. Determination of stability constants and thermodynamic parameters by a solvent extraction method. Inorganic Chemistry. 7(10). 2046–2048. 37 indexed citations

17.

Choppin, G.R., et al.. (1968). Charge distribution in the fission of 238U. Journal of Inorganic and Nuclear Chemistry. 30(12). 3167–3172. 15 indexed citations

18.

Choppin, G.R., et al.. (1966). Proton-induced fission of U238. Journal of Inorganic and Nuclear Chemistry. 28(8). 1509–1518. 15 indexed citations

19.

Choppin, G.R., et al.. (1964). The shapes of the f orbitals. Journal of Chemical Education. 41(7). 354–354. 56 indexed citations

20.

Meriwether, J., et al.. (1963). A scattering chamber using junction counters. Nuclear Instruments and Methods. 22. 333–338. 11 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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