99 - Einsteinium
Einsteinium triiodide (EsI3), photographed by transmitted light.
(1)
About 0.3 micrograms of an unidentified einsteinium compound.
(2)
The first hydrogen
bomb test "Mike", on 1 Nov 1952.
Einsteinium and fermium were first detected in the debris from this explosion.
(3)
Es-Yb
alloy (approximately 1 mole % Es). (4)
1 -
http://www.chemie-master.de/. Photo credited to A. Kronenberg,
http://www.kernchemie.de/.
2 - "Matter", Ralph E. Lapp and the editors of LIFE, LIFE Science Library.
A newer edition than 1965, I
don't know which year.
3 -
http://www.chemie-master.de/.
4 - R. G. Haire, "Preparation of transplutonium metals
and compounds", p 309-342, printed in "Actinides in Perspective", N.M. Edelstein
ed., Pergamon
Press, 1981.