K. Keizer

6.4k total citations
102 papers, 5.3k citations indexed

About

K. Keizer is a scholar working on Materials Chemistry, Mechanical Engineering and Inorganic Chemistry. According to data from OpenAlex, K. Keizer has authored 102 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 62 papers in Materials Chemistry, 44 papers in Mechanical Engineering and 21 papers in Inorganic Chemistry. Recurrent topics in K. Keizer's work include Membrane Separation and Gas Transport (33 papers), Mesoporous Materials and Catalysis (25 papers) and Zeolite Catalysis and Synthesis (21 papers). K. Keizer is often cited by papers focused on Membrane Separation and Gas Transport (33 papers), Mesoporous Materials and Catalysis (25 papers) and Zeolite Catalysis and Synthesis (21 papers). K. Keizer collaborates with scholars based in Netherlands, Slovakia and South Africa. K. Keizer's co-authors include A.J. Burggraaf, R.J.R. Uhlhorn, Krishnankutty‐Nair P. Kumar, Henning M. Krieg, Henk Verweij, R.S.A. de Lange, Zeger Vroon, Anthonie Burggraaf, Riaan Schmuhl and Tatsuya Okubo and has published in prestigious journals such as Nature, Advanced Materials and Langmuir.

In The Last Decade

K. Keizer

102 papers receiving 5.0k citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
K. Keizer Netherlands	38	3.0k	2.2k	1.1k	933	865	102	5.3k
Junhang Dong United States	40	1.8k 0.6×	2.0k 0.9×	1.4k 1.2×	564 0.6×	879 1.0×	118	4.6k
Isao Komasawa Japan	41	2.1k 0.7×	2.1k 1.0×	750 0.7×	447 0.5×	1.2k 1.4×	212	5.2k
P. Grange Belgium	41	5.1k 1.7×	2.6k 1.2×	833 0.7×	255 0.3×	750 0.9×	130	6.5k
Jonas Hedlund Sweden	41	2.6k 0.8×	3.0k 1.4×	3.6k 3.2×	542 0.6×	940 1.1×	169	5.8k
C. Guímon France	36	2.3k 0.7×	756 0.3×	566 0.5×	237 0.3×	597 0.7×	123	4.1k
Barbara Bonelli Italy	38	2.6k 0.8×	668 0.3×	1.1k 1.0×	356 0.4×	758 0.9×	173	4.5k
Alexis Lycourghiotis Greece	38	2.8k 0.9×	2.0k 0.9×	362 0.3×	360 0.4×	1.3k 1.4×	153	4.8k
Mohamed I. Zaki Egypt	42	4.3k 1.4×	1.4k 0.7×	1.1k 1.0×	176 0.2×	987 1.1×	194	6.0k
Seong‐Ho Yoon Japan	55	3.8k 1.2×	3.1k 1.4×	552 0.5×	521 0.6×	2.0k 2.4×	259	10.0k
R. Gómez Mexico	51	7.9k 2.6×	1.2k 0.6×	1.2k 1.1×	440 0.5×	1.1k 1.3×	291	10.7k

Countries citing papers authored by K. Keizer

Since Specialization

Citations

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

Fields of papers citing papers by K. Keizer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by K. Keizer. 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 K. Keizer. The network helps show where K. Keizer may publish in the future.

Co-authorship network of co-authors of K. Keizer

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

Schmuhl, Riaan, K. Keizer, Albert van den Berg, Johan E. ten Elshof, & Dave H. A. Blank. (2003). Controlling the transport of cations through permselective mesoporous alumina layers by manipulation of electric field and ionic strength. Journal of Colloid and Interface Science. 273(1). 331–338. 25 indexed citations

Chowdhury, S. Roy, Riaan Schmuhl, K. Keizer, et al.. (2003). Tailor-Made Nanostructured Ion Selective MCM-48 Membranes. MRS Proceedings. 775. 2 indexed citations

Neomagus, Hein W.J.P., et al.. (2001). Centrifugal casting of ceramic membrane tubes and the coating with chitosan. Separation and Purification Technology. 25(1-3). 407–413. 35 indexed citations

Krieg, Henning M., et al.. (2001). The enantioselective catalytic hydrolysis of racemic 1,2-epoxyoctane in a batch and a continuous process. Journal of Molecular Catalysis B Enzymatic. 13(1-3). 37–47. 13 indexed citations

Modise, Sekomeng J., et al.. (2001). The removal of acid sulphate pollution by nanofiltration. Desalination. 140(1). 79–86. 87 indexed citations

Krieg, Henning M., et al.. (1999). The Influence of β-Cyclodextrin on the Solubility of Chlorthalidone and Its Enantiomers. Drug Development and Industrial Pharmacy. 25(8). 879–884. 10 indexed citations

Keizer, K., A.J. Burggraaf, Zeger Vroon, & Henk Verweij. (1998). Two component permeation through thin zeolite MFI membranes. Journal of Membrane Science. 147(2). 159–172. 153 indexed citations

Vaart, Rosalie van der, H.-S. Bosch, K. Keizer, & T. Reith. (1997). Preparation of an MFI zeolite coating on activated carbon. Microporous Materials. 9(3-4). 203–207. 7 indexed citations

Nair, Balagopal N., et al.. (1996). Surface Selective Approach to Separation of Propylene from Propane. Separation Science and Technology. 31(14). 1907–1914. 12 indexed citations

10.

Keizer, K., R.J.R. Uhlhorn, & Anthonie Burggraaf. (1995). Gas separation using inorganic membranes. Data Archiving and Networked Services (DANS). 553–588. 7 indexed citations

11.

Lange, R.S.A. de, J.H.A. Hekkink, K. Keizer, & A.J. Burggraaf. (1995). Formation and characterization of supported microporous ceramic membranes prepared by sol-gel modification techniques. Journal of Membrane Science. 99(1). 57–75. 163 indexed citations

12.

Harold, Michael P., V.T. Zaspalis, K. Keizer, & A.J. Burggraaf. (1993). Intermediate product yield enhancement with a catalytic inorganic membrane—I. Analytical model for the case of isothermal and differential operation. Chemical Engineering Science. 48(15). 2705–2725. 36 indexed citations

13.

Lange, R.S.A. de, J.H.A. Hekkink, K. Keizer, & A.J. Burggraaf. (1992). Preparation and Characterization of Microporous Sol-Gel Derived Ceramic Membranes for GAS Separation Applications. MRS Proceedings. 271. 7 indexed citations

14.

Kumar, Krishnankutty‐Nair P., V.T. Zaspalis, K. Keizer, & A.J. Burggraaf. (1992). Drying process in the formation of sol-gel-derived TiO2 ceramic membrane. Journal of Non-Crystalline Solids. 147-148. 375–381. 12 indexed citations

15.

Zaspalis, V.T., et al.. (1991). Reactions of methanol over alumina catlytically active membranes modified by silver. University of Twente Research Information. 74(2). 235–248. 24 indexed citations

16.

Uhlhorn, R.J.R., K. Keizer, & A.J. Burggraaf. (1989). Gas and surface diffusion in modified γ-alumina systems. Journal of Membrane Science. 46(2-3). 225–241. 137 indexed citations

17.

Keizer, K., M. J. Verkerk, & A.J. Burggraaf. (1979). Preparation and properties of new oxygen ion conductors for use at low temperatures. University of Twente Research Information. 5(4). 143–147. 28 indexed citations

18.

Keizer, K., et al.. (1978). Anomalous dielectric behaviour of La(III) substituted lead titanate ceramics. Journal of Physics and Chemistry of Solids. 39(1). 59–63. 32 indexed citations

19.

Keizer, K., et al.. (1973). Influence of particle size and structure of ZrO2 on microstructure development and dielectric constant of PbZr0.5Ti0.5O3. Materials Research Bulletin. 8(5). 533–544. 13 indexed citations

20.

Keizer, K.. (1969). The catalytic oxidation of 1-butene over bismuth molybdate catalysts V. The kinetics of the oxidation: A. Pulse reaction kinetics; exploratory experiments for a kinetic investigation. Journal of Catalysis. 15(3). 256–266. 34 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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