Holmium is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series ,
holmium is a rare earth element
Kaynak: Holmium Natural
holmium (Ho) contains one stable isotope , 165 Ho. A number of synthetic radioactive isotopes are known, the most stable one is
Kaynak: Isotopes of holmiumHolmium(III) oxide, or
holmium oxide is a chemical compound of a rare-earth element
holmium and oxygen with the formula Ho 2 O 3.
Kaynak: Holmium(III) oxide Dysprosium and
holmium have the highest magnetic strengths of the elements, especially at low temperatures. Dysprosium has a simple
Kaynak: DysprosiumThe primary decay product s before Er | 166 are element 67 (
holmium ) isotopes, and the primary products after are element 69 (thulium )
Kaynak: ErbiumHe also discovered the elements
holmium and thulium in 1879. References : author Hans, Astrid Euler | year 1905 | title Per Theodor Cleve |
Kaynak: Per Teodor Cleve10.1016/j.gca.2007.07.010 | title Geo- and cosmochemistry of the twin elements yttrium and
holmium | first Andreas | last Pack | coauthor Sara S.
Kaynak: Yttrium(Born at Celigny, 1837–1911) was a Swiss chemist who in 1878, along with Jacques-Louis Soret , first observed
holmium spectroscopically.
Kaynak: Marc DelafontaineGlass containing
holmium oxide and
holmium oxide solutions (usually in perchloric acid ) have sharp optical absorption peaks in the
Kaynak: Lanthanidealong with Marc Delafontaine , first observed
holmium spectroscopically Independently, Per Teodor Cleve separated it chemically from
Kaynak: Jacques-Louis SoretDysprosium titanate, like
holmium titanate and
holmium stannate , is a spin ice material. In 2009, quasiparticle s resembling magnetic
Kaynak: Dysprosium titanaterelated to those of crystalline water ice The most prominent compounds with such properties are dysprosium titanate and
holmium titanate .
Kaynak: Spin iceGreenLight 532 nm lasers target haemoglobin as the chromophore and typically have a penetration depth of 0.8mm (two times deeper than
holmium).
Kaynak: Benign prostatic hyperplasiapraseodymium, neodymium, and samarium) and the yttrium group earths (yttrium, dysprosium,
holmium, erbium, thulium, ytterbium, and lutetium).
Kaynak: Rare earth elementlanthanoid series elements :
holmium D01.268.477.500 | Lanthanum lanthanum D01.268.477.562 | Lutetium lutetium D01.268.477.625 | Neodymium
Kaynak: List of MeSH codes (D01)It also shows many lines of uranium , and possibly the rare element
holmium . Its uranium and osmium content could have been caused by a
Kaynak: Kappa Piscium