Gregory R. Choppin

16.9k citations

415 papers · 13.2k indexed · 1 hit paper · h-index 58

Inorganic Chemistry top 0.05%
Materials Chemistry top 0.5%
Industrial and Manufacturing Engineering top 0.1%
Mechanical Engineering top 1%
Analytical Chemistry top 0.1%

Co-authors: D.E. Henrie Kenneth L. Nash K. Buijs Takaumi Kimura Dean R. Peterman Yuji Sasaki J. Ν. Mathur S.G. Thompson
Topics: Radioactive element chemistry and processing (271 papers)Lanthanide and Transition Metal Complexes (104 papers)Chemical Synthesis and Characterization (72 papers)
Cited by: Inorganic Chemistry Filtration and Separation Industrial and Manufacturing Engineering
Journals: Journal of the American Chemical Society The Journal of Chemical Physics Analytical Chemistry
Partner nations: United States Japan Russia

In The Last Decade

Gregory R. Choppin

410 papers receiving 12.2k 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.

Principles and practices of solvent extraction

1992 304 citations Jan Rydberg, Claude Musikas et al. M. Dekker eBooks profile →

Peers

Countries citing papers authored by Gregory R. Choppin

Since Specialization

Citations

This map shows the geographic impact of Gregory 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 Gregory 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 Gregory R. Choppin more than expected).

Fields of papers citing papers by Gregory R. Choppin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

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

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

#	Work	Indexed citations
1	Solvent Extraction Behavior of Neptunium (IV) Ions between Nitric Acid and Diluted 30% Tri‐butyl Phosphate in the Presence of Simple Hydroxamic Acids 2007 ·Solvent Extraction and Ion Exchange ·Robin J. Taylor,Sergey I. Sinkov,Gregory R. Choppin,Iain May	28
2	Solvent Extraction Behavior of Plutonium (IV) Ions in the Presence of Simple Hydroxamic Acids 2007 ·Solvent Extraction and Ion Exchange ·M. J. Carrott,Ori D. Fox,Chris Maher,Chris Mason,Robin J. Taylor,Sergey I. Sinkov,Gregory R. Choppin	47
3	Complexation and Back Extraction of Various Metals by Water-soluble Diglycolamide 2007 ·Analytical Sciences ·Yuji Sasaki,Yumi Sugo,Yoshihiro Kitatsuji,Akira Kirishima,Takaumi Kimura,Gregory R. Choppin	62
4	Solvent Extraction Processes in the Nuclear Fuel Cycle 2005 ·Gregory R. Choppin	11
5	Kinetics of the oxidation of Pu(IV) by manganese dioxide 2002 ·Radiochimica Acta ·Aliyah Morgenstern,Gregory R. Choppin	45
6	Extraction of Np(V) by N,N'-dimethyl-N,N'-dihexyl-3-oxapentanediamide 1998 ·Radiochimica Acta ·Yuji Sasaki,Gregory R. Choppin	75
7	Evaluation of the in vitro stability of gadolinium (III) polyoxometalates 1997 ·Nuclear Medicine and Biology ·(unknown),Gregory R. Choppin,Buck E. Rogers,Michael J. Welch	10
8	Lanthanides/actinides : physics 1993 ·North-Holland eBooks ·K. A. Gschneidner,LeRoy Eyring,G. H. Lander,Gregory R. Choppin	1
9	Principles and practices of solvent extractionbreakdown → 1992 ·M. Dekker eBooks ·Jan Rydberg,Claude Musikas,Gregory R. Choppin	304
10	Solubility of Uranyl in Brine 1992 ·High Level Radioactive Waste Management ·Hiromichi Yamazaki,(unknown),(unknown),Gregory R. Choppin	2
11	Kinetics of Uraiiium(VI) Reduction in Aqueous Polyelectrolyte Systems 1992 ·Radiochimica Acta ·C. Greg Pippin,J. C. Sullivan,Dan Meisel,Gregory R. Choppin	5
12	Nuclear Magnetic Resonance Studies of the Ligand, DTPA-Bis(methoxyethylamide), and Its Complexes with Diamagnetic Lanthanide (III) Cations 1991 ·Investigative Radiology ·David H. White,(unknown),(unknown),Ε. N. Rizkalla,Hisanori Imura,Gregory R. Choppin	6
13	ANALYTICAL CHEMISTRY OF THE LANTHANIDES PART 1. ATOMIC ABSORPTION AND PLASMA ATOMIC EMISSION SPECTROSCOPIC METHODS 1989 ·Reviews in Analytical Chemistry ·Lauri H. J. Lajunen,Gregory R. Choppin	5
14	New directions in actinide solution chemistry 1982 ·Transactions of the American Nuclear Society ·Gregory R. Choppin	1
15	Thermodynamics of complexation of lanthanides by benzoic and isophthalic acids 1982 ·Inorganic Chemistry ·Gregory R. Choppin,P. A. Bertrand,Yasumasa Hasegawa,Ε. N. Rizkalla	63
16	Thermodynamic properties of lanthanide complexes with benzene-1,2-dioxydiacetic acid 1977 ·Inorganic Chemistry ·Yūko Hasegawa,Gregory R. Choppin	15
17	Complexation of Eu(III) by methylhydroxycyclobutenedione 1976 ·Journal of Inorganic and Nuclear Chemistry ·(unknown),Gregory R. Choppin	0
18	Structure and thermodynamics of lanthanide and actinide complexes in solution 1971 ·Pure and Applied Chemistry ·Gregory R. Choppin	116
19	Chemistry: science of matter, energy, and change 1966 ·Gregory R. Choppin,Bernard M. Jaffe	2
20	Halide complexes of the lanthanide elements 1963 ·Journal of Inorganic and Nuclear Chemistry ·Gregory R. Choppin,(unknown)	89

About Gregory R. Choppin

Gregory R. Choppin is a scholar working on Filtration and Separation, Inorganic Chemistry and Industrial and Manufacturing Engineering, having authored 415 papers that have together received 13.2k indexed citations. Recurring topics across this work include Radioactive element chemistry and processing (271 papers), Lanthanide and Transition Metal Complexes (104 papers) and Chemical Synthesis and Characterization (72 papers). The work is most often cited by research in Inorganic Chemistry (8.6k citations), Filtration and Separation (1.2k citations) and Industrial and Manufacturing Engineering (2.1k citations). Gregory R. Choppin has collaborated with scholars based in United States, Japan and Russia. Frequent co-authors include D.E. Henrie, Kenneth L. Nash, K. Buijs, Takaumi Kimura, Dean R. Peterman, Yuji Sasaki, J. Ν. Mathur, S.G. Thompson, Jan Rydberg and B.G. Harvey. Their work appears in journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Analytical Chemistry.

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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