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Deuterium-depleted water has a lower concentration of deuterium (2 H) than occurs in nature at sea level. [1] Deuterium is a naturally-occurring, stable (non-radioactive) isotope of hydrogen with a nucleus consisting of one proton and one neutron. The nucleus of normal hydrogen (protium, 1 H) consists of one proton only, and no neutron.
Girdler sulfide process. The Girdler sulfide (GS) process, also known as the Geib–Spevack (GS) process, [1] is an industrial production method for filtering out of natural water the heavy water (deuterium oxide = D 2 O) which is used in particle research, in deuterium NMR spectroscopy, deuterated solvents for proton NMR spectroscopy, in heavy water nuclear reactors (as a coolant and ...
Deuterium-depleted water, water with less heavy water than in natural water. See also. ddw, ISO 639-3 code of the Dawera-Daweloor language of Indonesia
Since one in about every 6,400 hydrogen atoms is deuterium, a 50-kilogram (110 lb) human containing 32 kilograms (71 lb) of body water would normally contain enough deuterium (about 1.1 grams or 0.039 ounces) to make 5.5 grams (0.19 oz) of pure heavy water, so roughly this dose is required to double the amount of deuterium in the body.
For water, the condensed phase is more enriched while the vapor is more depleted. For example, rain condensing from a cloud, is heavier than the vapor starting point. Generally, the large variations in deuterium concentration in water are from fractionations between liquid, vapor, and solid reservoirs.
Water that contains deuterium is believed to stick to dust more easily than regular water. When ice is released into the part of the atmosphere surrounding the nucleus, known as the coma, it could ...
Pages in category "Deuterium" ... Deuterium-depleted water; F. Deuterium fusion; G. Global meteoric water line; H. Hydrogen isotope biogeochemistry;
Deuterium occurs in trace amounts naturally as deuterium gas (2 H 2 or D 2), but most deuterium atoms in the Universe are bonded with 1 H to form a gas called hydrogen deuteride (HD or 1 H 2 H). [12] Similarly, natural water contains deuterated molecules, almost all as semiheavy water HDO with only one deuterium.
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