Thomas A. Bellar

2.5k total citations · 1 hit paper
30 papers, 1.9k citations indexed

About

Thomas A. Bellar is a scholar working on Spectroscopy, Biomedical Engineering and Health, Toxicology and Mutagenesis. According to data from OpenAlex, Thomas A. Bellar has authored 30 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Spectroscopy, 13 papers in Biomedical Engineering and 6 papers in Health, Toxicology and Mutagenesis. Recurrent topics in Thomas A. Bellar's work include Analytical Chemistry and Chromatography (15 papers), Advanced Chemical Sensor Technologies (12 papers) and Mass Spectrometry Techniques and Applications (7 papers). Thomas A. Bellar is often cited by papers focused on Analytical Chemistry and Chromatography (15 papers), Advanced Chemical Sensor Technologies (12 papers) and Mass Spectrometry Techniques and Applications (7 papers). Thomas A. Bellar collaborates with scholars based in United States. Thomas A. Bellar's co-authors include James J. Lichtenberg, R. Kröner, William L. Budde, Thomas D. Behymer, A. P. Altshuller, Jack DeMarco, Alan A. Stevens, James M. Symons, J Carswell and Gordon G. Robeck and has published in prestigious journals such as Environmental Science & Technology, Analytical Chemistry and Journal of the American Society for Mass Spectrometry.

In The Last Decade

Thomas A. Bellar

28 papers receiving 1.5k 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.

The Occurrence of Organohalides in Chlorinated Drinking Waters

1974 881 citations Thomas A. Bellar et al. American Water Works Association profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Thomas A. Bellar United States	16	1.2k	433	335	302	281	30	1.9k
James J. Lichtenberg United States	11	1.1k 0.9×	131 0.3×	170 0.5×	283 0.9×	264 0.9×	17	1.6k
Frank M. Benoit Canada	19	611 0.5×	282 0.7×	121 0.4×	335 1.1×	104 0.4×	42	1.2k
Salvador J. Pastor United States	12	1.2k 1.0×	241 0.6×	104 0.3×	380 1.3×	403 1.4×	16	1.9k
P. E. Porter United States	10	493 0.4×	377 0.9×	210 0.6×	84 0.3×	133 0.5×	11	1.4k
Daniel L. Norwood United States	20	549 0.5×	317 0.7×	213 0.6×	140 0.5×	139 0.5×	49	2.0k
Alfred D. Thruston United States	17	2.5k 2.2×	105 0.2×	225 0.7×	733 2.4×	838 3.0×	28	3.3k
J. Jackson Ellington United States	19	1.4k 1.2×	148 0.3×	90 0.3×	775 2.6×	189 0.7×	35	1.8k
Werner Kördel Germany	23	692 0.6×	148 0.3×	240 0.7×	255 0.8×	233 0.8×	71	2.1k
Walter Lund Norway	31	309 0.3×	336 0.8×	1.1k 3.2×	200 0.7×	50 0.2×	102	2.3k
Lawrence H. Keith United States	13	567 0.5×	428 1.0×	666 2.0×	167 0.6×	140 0.5×	37	2.2k

Countries citing papers authored by Thomas A. Bellar

Since Specialization

Citations

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

Fields of papers citing papers by Thomas A. Bellar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Thomas A. Bellar. 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 Thomas A. Bellar. The network helps show where Thomas A. Bellar may publish in the future.

Co-authorship network of co-authors of Thomas A. Bellar

This figure shows the co-authorship network connecting the top 25 collaborators of Thomas A. Bellar. A scholar is included among the top collaborators of Thomas A. Bellar 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 Thomas A. Bellar. Thomas A. Bellar 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

Bellar, Thomas A., William L. Budde, & David D. Kryak. (1994). Investigation of the effect of a dc glow discharge on the performance of a particle beam liquid chromatography/mass spectrometry interface. Journal of the American Society for Mass Spectrometry. 5(10). 908–912. 7 indexed citations

Shoemaker, Jody A., Thomas A. Bellar, James W. Eichelberger, & William L. Budde. (1993). Determination of Polar Volatile Organic Compounds in Water by Membrane Permeate and Trap GC-MS. Journal of Chromatographic Science. 31(7). 279–284. 26 indexed citations

Bellar, Thomas A., et al.. (1990). Distinguishing diphenylamine and N-nitrosodiphenylamine in hazardous waste samples by using high-performance liquid chromatography/thermospray/mass spectrometry. Environmental Science & Technology. 24(11). 1748–1751. 15 indexed citations

Bellar, Thomas A., Thomas D. Behymer, & William L. Budde. (1990). Investigation of enhanced ion abundances from a carrier process in high-performance liquid chromatography particle beam mass spectrometry. Journal of the American Society for Mass Spectrometry. 1(1). 92–98. 78 indexed citations

Eichelberger, James W., et al.. (1990). Determination of Volatile Organics in Drinking Water with USEPA Method 524.2 and the Ion Trap Detector. Journal of Chromatographic Science. 28(9). 460–467. 16 indexed citations

Behymer, Thomas D., Thomas A. Bellar, & William L. Budde. (1990). Liquid chromatography/particle beam/mass spectrometry of polar compounds of environmental interest. Analytical Chemistry. 62(15). 1686–1690. 82 indexed citations

Budde, William L., et al.. (1990). Liquid Chromatography‐Mass Spectrometry: An Emerging Technology for Nonvolatile Compounds. American Water Works Association. 82(9). 60–65. 7 indexed citations

Bellar, Thomas A. & William L. Budde. (1988). Determination of nonvolatile organic compounds in aqueous environmental samples using liquid chromatography/mass spectrometry. Analytical Chemistry. 60(19). 2076–2083. 123 indexed citations

Alford-Stevens, Ann L., Thomas A. Bellar, James W. Eichelberger, & William L. Budde. (1986). Accuracy and precision of determinations of chlorinated pesticides and polychlorinated biphenyls with automated interpretation of mass spectrometric data. Analytical Chemistry. 58(9). 2022–2029. 23 indexed citations

10.

Symons, James M., Thomas A. Bellar, J Carswell, et al.. (1975). National Organics Reconnaissance Survey for Halogenated Organics. American Water Works Association. 67(11). 634–647. 345 indexed citations

11.

Bellar, Thomas A., et al.. (1974). Determining volatile organics at microgram-per-litre levels by gas chromatography. THE journal. 6 indexed citations

12.

Sigsby, John E., et al.. (1973). Chemiluminescent method for analysis of nitrogen compounds in mobile source emissions nitric oxide, nitrogen dioxide, and ammonia. Environmental Science & Technology. 7(1). 51–54. 34 indexed citations

13.

Lonneman, William A., Thomas A. Bellar, & A. P. Altshuller. (1968). Aromatic hydrocarbons in the atmosphere of the Los Angeles basin. Environmental Science & Technology. 2(11). 1017–1020. 50 indexed citations

14.

Bellar, Thomas A. & John E. Sigsby. (1967). Evaluation of various silica gels in the gas chromatographic analysis of light hydrocarbons. Environmental Science & Technology. 1(3). 242–246. 9 indexed citations

15.

Altshuller, A. P., et al.. (1964). METHANE COMPOSITION OF URBAN ATMOSPHERES.. PubMed. 8. 29–35. 5 indexed citations

16.

Leng, Ling, et al.. (1964). EffectsofHC/NO_xRATIOSonIrradiated Auto Exhaust,Part II. Journal of the Air Pollution Control Association. 14(5). 176–183. 12 indexed citations

17.

Altshuller, A. P. & Thomas A. Bellar. (1963). GAS Chromatographic AnalysisofHydrocarbons inthe Los Angeles Atmosphere. Journal of the Air Pollution Control Association. 13(2). 81–87. 19 indexed citations

18.

Altshuller, A. P., et al.. (1962). Concentration of Hydrocarbons on Silica Gel Prior to Gas Chromatographic Analysis. American Industrial Hygiene Association Journal. 23(2). 164–166. 9 indexed citations

19.

Sigsby, John E., et al.. (1962). Dynamic Irradiation Chamber TestsofAutomotive Exhaust. Journal of the Air Pollution Control Association. 12(11). 522–544. 1 indexed citations

20.

Sigsby, John E., et al.. (1962). Chemical Methodologyin Auto Exhaust Studies. Journal of the Air Pollution Control Association. 12(6). 294–298.

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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