- les
terres de la gadolinite: le
celtium (On a new
element that
accompanies lutetium and
scandium in gadolinite:
celtium)".
Comptes Rendus (in French):...
-
element 72 in the rare
earth elements in 1907 and
published his
results on
celtium in 1911.
Neither the
spectra nor the
chemical behavior he
claimed matched...
- ytterbium. In 1911
Urbain isolated another new
element which he
called "
celtium", but his
studies were
interrupted by
World War I. In 1922, he announced...
-
Georges Urbain claimed to have
discovered it as the rare
earth element celtium, but Bury and Bohr had
predicted that
element 72
could not be a rare earth...
- who
claimed to have
discovered a rare-earth
element 72,
which he
called "
celtium". At the
Institute in Copenhagen, Dirk
Coster and
George de
Hevesy took...
-
Former name for lutetium. Cp
Copernicium 112
Current symbol is Cn. Ct
Celtium 72
Discredited claim to
discovery of hafnium. Ct
Centurium 100 Proposed...
- beryllium/glucinium, niobium/columbium, lutecium/c****iopeium, hafnium/
celtium, tungsten/wolfram, and protoactinium/brevium. For example,
Armbruster suggested...
-
Urbain into
thinking that he had
discovered element 72,
which he
named celtium,
which was
actually very pure lutetium. The
later discrediting of Urbain's...
- celti**** Takahashi, 1955
synonym for
Coccus longulus (Douglas, 1887)
Coccus celtium S****cer, 1911
synonym for
Coccus longulus (Douglas, 1887)
Coccus coffeae...
-
confirm that
Georges Urbain's
claimed discovery of a new rare-earth
element (
celtium) was invalid,
earning Moseley acclamation for this technique.
Swedish physicist...
