- Jean
Charles Galissard de
Marignac (24
April 1817 – 15
April 1894) was a
Swiss chemist whose work with
atomic weights suggested the
possibility of isotopes...
-
those of most
other lanthanides. In 1878,
Swiss chemist Jean
Charles Galissard de
Marignac separated from the rare
earth "erbia" (another independent...
-
Boisbaudran in 1886, and a
similar result was
obtained by Jean
Charles Galissard de
Marignac by
direct isolation from samarskite. They
named the element...
- in 1865.
Further confirmation came from the
Swiss chemist Jean
Charles Galissard de Marignac, in 1866, who
proved that
there were only two elements. These...
-
mineral gadolinite. It was
first isolated from this in 1878 by Jean
Charles Galissard de Marignac. Ytterbium(III)
oxide can be
obtained by
directly reacting...
- he
named it "naphthalic acid".
After the
Swiss chemist Jean
Charles Galissard de
Marignac determined its
correct formula,
Laurent gave it its present...
-
Klaproth gave
gadolinite its name. In 1880, the
Swiss chemist Jean
Charles Galissard de
Marignac observed the
spectroscopic lines from
gadolinium in samples...
-
impurity in ytterbia,
which was
thought by
Swiss chemist Jean
Charles Galissard de
Marignac to
consist entirely of ytterbium.
Urbain and
Welsbach proposed...
- A
fourth oxide,
ytterbium oxide, was
isolated in 1878 by Jean
Charles Galissard de Marignac. New
elements were
later isolated from each of
those oxides...
- some of the
compounds in 1865 and
finally by
Swiss chemist Jean
Charles Galissard de
Marignac in 1866, who all
proved that
there were only two elements...
