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Tritium (from Ancient Greek τρίτος (trítos) 'third') or hydrogen-3 (symbol T or 3 H) is a rare and radioactive isotope of hydrogen with a half-life of ~12.3 years. The tritium nucleus (t, sometimes called a triton) contains one proton and two neutrons, whereas the nucleus of the common isotope hydrogen-1 (protium) contains one proton and no neutrons, and that of non-radioactive hydrogen ...
[citation needed] In Australia products containing tritium are licence exempt if they contain less than 1 × 10 6 becquerels per gram (2.7 × 10 −5 Ci/g) tritium and have a total activity of less than 1 × 10 9 becquerels (0.027 Ci), except for in safety devices where the limit is 74 × 10 9 becquerels (2.0 Ci) total activity. [12]
Zinc: 7.134: 70 (1.939 × 10 18 kg) 2.55: 18.2: 2019: Preismonitor [20] [s] [al] 31: Ga: Gallium: 5.907: 19 (5.263 × 10 17 kg) 148: 872: 2019: Preismonitor [20] [s] [am] 32: Ge: Germanium: 5.323: 1.5 (4.155 × 10 16 kg) 914 – 1010: 4860 – 5390: 2020: SMM [39] [g] [an] 33: As: Arsenic: 5.776: 1.8 (4.986 × 10 16 kg) 0.999 – 1.31: 5.77 ...
How much zinc do you need in a day? “The recommended amounts of zinc vary by age group,” says Haggans. “Adult men need 11 milligrams (mg) per day of zinc, while most women need 8 mg. Women ...
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%).
Fission product yields by mass for thermal neutron fission of U-235 and Pu-239 (the two typical of current nuclear power reactors) and U-233 (used in the thorium cycle). This page discusses each of the main elements in the mixture of fission products produced by nuclear fission of the common nuclear fuels uranium and plutonium.
Units of solubility are given in grams of substance per 100 millilitres of water (g/100 ml), unless shown otherwise. The substances are listed in alphabetical order. The substances are listed in alphabetical order.