THE RADIOCHEMISTRY OF PLUTONIUM - Sciencemadness.org
THE RADIOCHEMISTRY OF PLUTONIUM - Sciencemadness.org
THE RADIOCHEMISTRY OF PLUTONIUM - Sciencemadness.org
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m<br />
A.<br />
B.<br />
c.<br />
D.<br />
E.<br />
1?.<br />
G.<br />
TABLE IV- 1. Physical Properties of Plu\onium Metal’:<<br />
Appearance Silvery white; quickly oxidizes in air<br />
Melting point 639.5° C<br />
Boiling point 3508 * 19° C<br />
Properties of the various 0?<br />
allotropic modifications<br />
Transition temperature<br />
to next higher phase PC) 125<br />
Density (g/cm3) 19.82<br />
(at T“C) (25)<br />
Crystal structure Monoclinic<br />
Coefficient of linear 67 X 10-6<br />
expansion (“C-l)<br />
(in temp range 0C) (80-120)<br />
Latent heat of transformation<br />
to next higher 958<br />
phase (cal/g-atom)<br />
Electrical resistivity 68.5M’i2- cm<br />
(at 25” C)<br />
210<br />
17.82<br />
(133)<br />
Bodycentered<br />
monoclinic<br />
41 X1 O-6<br />
(160-200)<br />
140<br />
Self heating coefficient (1.923 + 0.019) X 10-3 W/g<br />
Ionization potential 5.1 * 0.5 eV<br />
?’<br />
315<br />
17.14<br />
(235)<br />
Orthorhombic<br />
35 x 10-6<br />
(220-280)<br />
.!,<br />
““Data compiled from various secondary sources, including Francis,<br />
156<br />
460<br />
15.92<br />
(320)<br />
Facecentered<br />
cubic<br />
-8.6 x 10-6<br />
(340-440)<br />
17<br />
6-<br />
475<br />
16,00<br />
(465)<br />
Body-or facecentered<br />
tetragonsl<br />
(-_---.------)<br />
(---. --------)<br />
470<br />
137 Co ffiriberry and Walciron, 94 and Jette. 211<br />
e<br />
640<br />
16.48<br />
(510)<br />
Bodycentered<br />
cubic<br />
15<br />
490-550<br />
940
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