Abstract
Organic acids from an Eocene oil shale in Colorado have been analysed by mass spectrometer techniques. The acids seem to be indigenous to the shale and occur chiefly as metal salts.
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Change history
01 May 1968
In the article "Analysis of the Mineral Entrapped Fatty Acids isolated from the Green River Formation" by A. L. Burlingame and B. R. Simoneit (Nature, 218, 252; 1968) the eleventh line in the left hand column on page 254 should read: 428 (C29H48O2), 442 (C30H5002), 456 (C31H52O2), 470 (C32H54O2), 484 (C33H5602), 498 (C34H5802), 512 (C35H60O2) and 458 (C31H5402).
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BURLINGAME, A., SIMONEIT, B. Analysis of the Mineral Entrapped Fatty Acids isolated from the Green River Formation. Nature 218, 252–256 (1968). https://doi.org/10.1038/218252a0
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DOI: https://doi.org/10.1038/218252a0
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