File:Column Chromatography Analyze Color Samples (FDA 038) (8248498620).jpg

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A chemist uses column chromatography to analyze a coal tar color sample in the mid-1950s. The size of the column used depends on the constituent parts to be separated.

For more information on FDA History, please visit: www.fda.gov/AboutFDA/WhatWeDo/History/default.htm
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Source Column Chromatography Analyze Color Samples (FDA 038)
Author The U.S. Food and Drug Administration

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Public domain
Unless otherwise noted, the contents of the Food and Drug Administration website (www.fda.gov) —both text and graphics— are public domain in the United States. [1] (August 18, 2005, last updated July 14, 2015)
This image was originally posted to Flickr by The U.S. Food and Drug Administration at https://www.flickr.com/photos/39736050@N02/8248498620. It was reviewed on 28 June 2014 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work.

28 June 2014

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current14:28, 28 June 2014Thumbnail for version as of 14:28, 28 June 20145,818 × 7,200 (14.64 MB)Bluerasberry (talk | contribs)Transferred from Flickr via Flickr2commons

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