987 resultados para IPEN-MB-1 REACTOR


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Chloroform extracts of water-soluble organic matter collected in the water column from the surface to the bottom were studied by C-13 and H-1 NMR chromatographic mass spectrometry, and phthalate concentrations were determined by capillary gas-liquid chromatography. More than 14 compounds were found including diethyl phthalate, ethyl butyl phthalate, dibutyl phthalate, and di-2-ethylhexyl phthalate, phthalates with normal C4-C12 chains, phthalates partially esterified with methanol, and others, at total concentrations up to 0.4 mg/l. Possible reasons for presence of phthalates in oceans, sometimes in high concentrations, are discussed.

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AEC Report No. TID-3556(REV. 1).

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"Covering work by M. Macomber, W.W. West, J.G. Carroll, and R.O. Bolt."

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"Contract No. AT-(40-1)-2483, U. S. Atomic Energy Commission."

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"Including errata of March 7, 1960 and Supplement No. 1, Revised March 11, 1960."

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"Contract AT(30-1)-2789."

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"Work performed under Contract No. AT(45-1)-1350 between the Atomic Energy Commission and General Electric Company."