Isotopes of hafnium - Wikipedia
Isotopes of hafnium. Natural hafnium (72 Hf) consists of five observationally stable isotopes (176 Hf, 177 Hf, 178 Hf, 179 Hf, and 180 Hf) and one very long-lived radioisotope, 174 Hf, with a …
Hafnium - Element information, properties and uses | Periodic Table
Isotopes. Atoms of the same element with different numbers of neutrons. Key for isotopes
Hafnium Isotopes - List and Properties - ChemLin
List, data and properties of all known isotopes of Hafnium. All atomic nuclei of the chemical element hafnium are summarized under hafnium isotopes; these all consist of an atomic …
Hafnium | History, Uses, Facts, Physical & Chemical Characteristics
Hafnium has 34 isotopes, with mass number ranging from 153 to 186 [3]. There are five stable isotopes of hafnium, hafnium-176 to 180. The most stable radioactive isotope is hafnium-174, …
Hafnium - Wikipedia
Isotopes. At least 40 isotopes of hafnium have been observed, ranging in mass number from 153 to 192. [12][13][14] The five stable isotopes have mass numbers ranging from 176 to 180 …
Hafnium Isotopes - SpringerLink
2018年1月1日 · Hafnium consists of the five stable isotopes 176 Hf, 177 Hf, 178 Hf, 179 Hf, and 180 Hf. Of these, ~1% of 176 Hf is radiogenic (the rest being “common” Hf created during …
Hafnium isotope evidence for a transition in the dynamics of ... - Nature
2012年5月30日 · Hafnium isotope ratios obtained from zircons in southern West Greenland suggest that Earth’s ancient crustal growth changed around 3.2 Gyr ago to a modern …
Nature of the Earth's earliest crust from hafnium isotopes in …
1999年5月20日 · Here we report hafnium-isotope data, obtained using the new technique of multiple-collector plasma-source mass spectrometry 9, for 37 individual grains of the oldest …
Hafnium | Hf (Element) - PubChem
Therefore, measurements of the amounts of hafnium and tungsten isotopes in meteorites and terrestrial samples reveal the earlier presence of 182 Hf. As a result, this provides information …
Hafnium | Definition, Atomic Mass, Properties, Uses, & Facts
Natural hafnium is a mixture of six stable isotopes: hafnium-174 (0.2 percent), hafnium-176 (5.2 percent), hafnium-177 (18.6 percent), hafnium-178 (27.1 percent), hafnium-179 (13.7 percent), …