Hafnium is a chemical element with the symbol Hf and atomic number 72.
hafnium chemically resembles zirconium and is found in
Kaynak: Hafnium Natural
hafnium (Hf) consists of five stable isotope s (176 Hf, 177 Hf, 178 Hf, 179 Hf, and 180 Hf) and one very long-lived radioisotope ,
Kaynak: Isotopes of hafniumHafnium(IV) chloride is the inorganic compound with the formula HfCl 4. This colourless solid is the precursor to most
hafniumKaynak: Hafnium(IV) chloride Hafnium(IV) oxide is the inorganic compound with the formula Hf O 2. colourless solid is one of the most common and stable compounds of
hafnium .
Kaynak: Hafnium(IV) oxide Hafnium carbide (Hf C ) is a chemical compound of
hafnium and carbon . With a melting point of about 3900 °C it is one of the most
Kaynak: Hafnium(IV) carbide Hafnium silicate is the
hafnium (IV) salt of silicic acid with the chemical formula of HfSiO 4. Thin film s of
hafnium silicate and
Kaynak: Hafnium(IV) silicate The
hafnium controversy is a debate over the possibility of 'triggering' rapid energy releases, via gamma ray emission, from a nuclear
Kaynak: Hafnium controversyTantalum
hafnium carbide is a refractory chemical compound with a general formula Ta sub x/sub Hf sub 1-x/sub C sub y/sub , which can
Kaynak: Tantalum hafnium carbideSeparation of zirconium and
hafnium: Commercial zirconium metal typically contains 1–2.5% of
hafnium , which is not problematic because the
Kaynak: Zirconiumhafnium -178m2 and zinc -66m. reason Cannot find any evidence Zn-66m exists in credible isotope/isomer lists. | date January 2011.
Kaynak: Induced gamma emission It contains the elements titanium (Ti), zirconium (Zr),
hafnium (Hf) and rutherfordium (Rf). This group lies in the d-block of the
Kaynak: Group 4 elementHafnon is a
hafnium silicate mineral , chemical formula (Hf,Zr)SiO 4 or (Hf,Zr,Th,U,Y)SiO 4 In natural zircon ZrSiO 4 part of the
Kaynak: HafnonSimilar to zirconium and
hafnium, an additional omega phase exists, which is thermodynamically stable at high pressures, but is metastable
Kaynak: TitaniumHafnium diboride , ultra-high temperature ceramic composed of
hafnium and boron. Magnesium diboride , inexpensive and simple superconductor
Kaynak: Diboride Metastable isomers:
hafnium-177m2 or
hafnium | 177m2). A different kind of metastable nuclear state (isomer) is the fission isomer or shape
Kaynak: Nuclear isomerFor example,
hafnium is almost always present in quantities ranging from 1 to 4%. The crystal structure of zircon is tetragonal crystal
Kaynak: Zircon