Jan van Deemter

{{Use dmy dates|date=January 2021}}

{{Short description|Dutch physicist (1918–2004)}}

{{family name hatnote|Van Deemter|Deemter|lang=Dutch}}

{{Infobox scientist

| name = Jan Jozef van Deemter

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| image = Jan Van Deemter.jpg

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| alt = Jan Jozef van Deemter

| caption = Jan van Deemter

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| birth_date = {{birth date|1918|03|31|df=y}}

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| death_date = {{death date and age|2004|10|10|1918|03|31|df=y}}

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| nationality = Dutch

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| workplaces = Royal Dutch Shell

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| alma_mater = University of Groningen
University of Amsterdam

| thesis_title = Theoretische en numerieke behandeling van ontwaterings- en infiltratie-stromings-problemen

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| doctoral_advisor = Bartel Leendert van der Waerden

| known_for = Van Deemter equation

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Jan Jozef van Deemter (31 March 1918 – 10 October 2004) was a Dutch physicist and engineer known for the Van Deemter equation in chromatography.{{cite book|title=75 Years of Chromatography: A Historical Dialogue|url=https://books.google.com/books?id=tdrFTHQ3e64C&pg=PA460|date=26 August 2011|publisher=Elsevier|isbn=978-0-08-085817-3|pages=461–}}{{cite journal | doi = 10.1016/0009-2509(56)80003-1 | author = van Deemter JJ, Zuiderweg FJ and Klinkenberg A | year = 1956 | title = Longitudinal diffusion and resistance to mass transfer as causes of non ideality in chromatography | journal = Chem. Eng. Sci. | volume = 5 | issue = 6 | pages = 271–289| bibcode = 1956ChEnS...5..271V }}{{cite book|volume=17|year=1979|pages=461–465|issn=0301-4770|doi=10.1016/S0301-4770(08)60683-1|title = 75 years of Chromatography a Historical Dialogue|series = Journal of Chromatography Library|isbn = 9780444417541|last1 = Ettre|first1 = Leslie S.|chapter=J.J. Van Deemter}}

He obtained his doctorate in physics from the University of Amsterdam in June of 1950. Starting in 1947 he began work for Royal Dutch Shell as a researcher and it was there that he developed and published his article in 1956.{{Cite web |date=1978 |title=Dr. J J van Deemter is retiring |url=http://sftp.sandermiedema.nl:1000/Armisoft/werk/labspiegel/01978/78_165/LS1978_165_02.jpg |language=nl}}