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A Redetermination of the Protium—Deuterium Ratio in Water 1

✍ Scribed by Hall, Norris F.; Jones, Thomas O.

Book ID
126807388
Publisher
American Chemical Society
Year
1936
Tongue
English
Weight
493 KB
Volume
58
Category
Article
ISSN
0002-7863

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The deuterium to protium (D/H) ratio of the deep mantle may be a remnant of the hydrogen isotopic composition of Earth forming planetesimals, which later evolved as a result of the late accretion of asteroids and comets. If so, the mass of asteroids and comets incident on Earth since the time of its