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发表于 2006-3-21 05:38:17
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Key Words: HfO2
7 w1 a4 y: ?4 \2 j# {7 r' q2 s
+ Q8 [' e: i1 v: e) wPhysical Properties Metric English Comments
" H4 K" d, F+ N% ?0 y
6 F! j( D) X7 g' t, I& ~# S0 m& G - S" }$ y8 m* u& P6 y3 [, t1 ^
Density 9.68 g/cc 0.35 lb/in?/font> + N6 M: _* O0 f* L) A/ i
Molecular Weight 210.49 g/mol 210.49 g/mol
! C% b% b4 G: \) n- H
, M0 @; y8 |' W9 [1 D7 U2 X, V; LElectrical Properties
* t% z' D4 l! N2 G" o( c
, H6 c# t- m/ r @
) Y4 R; z* |& f4 {/ CMagnetic Susceptibility -2.3e-005 -2.3e-005 cm^3/mol
+ S* H6 P* q7 w" D# R% ?; x) G# ^( s) }' s8 l; ~$ p$ B
Thermal Properties ! T, n" q/ Z0 C u4 I) u
4 t5 y, N5 }, B9 f' p- \" \ & V0 R& o; Q' J2 h# ~4 i/ Z0 G3 q
Melting Point 2774 癈 5030 癋
U8 B0 V8 n9 J% ~2 t. H% Z6 u7 H; [
Descriptive Properties " v/ F5 B' y3 v5 ^
: M$ y% V& W5 I( n
) R- M+ n" [- G1 O
CAS Number 12055-23-1 1 e7 s4 ^; }* Q
Color White
$ t- L, m c* N2 k3 {- FCrystal Structure Cubic
2 {6 }, Z* z ]4 \( d 6 N$ P% c/ A2 L5 C$ O1 |( r
2 M/ ^$ N" r4 m( P- _# y1 v
+ ~' G4 @ v2 N6 W0 I) C8 A
; n* k; V, }. k% Q5 p) rPhysical Properties Metric English Comments 4 l$ r( ]4 y" _, u
2 w/ a* Y0 H( V- U& d # d1 _2 o( {. X' `' c2 W+ O! a0 R
a Lattice Constant 5.1722 ?/font> 5.1722 ?/font> . _9 G2 g7 W4 i9 X5 v6 i, Q6 P3 O
b Lattice Constant 5.2948 ?/font> 5.2948 ?/font>
4 b% a8 {1 M% a" I8 m8 IBeta Lattice Angle 99.18 ?/font> 99.18 ?/font>
) Q% \- v. R) ^* ~ U; I2 b9 xFormula Units/Cell (Z) 4 4 * w% B; A- Y1 y( Y5 m5 a9 C4 _* Q
Molecular Weight 210.489 g/mol 210.489 g/mol + }2 [1 a+ Q/ r$ d; [4 H+ H9 w
* G5 n) R8 q* D! {" g0 p) n
Descriptive Properties 0 m! a. I) E2 f! d& x
3 w) y+ K g; ], Z
8 o1 g" _' ]/ w" ~8 hCAS Number 12055-23-1 ( Z6 F7 S2 s+ \
Crystal Structure Monoclinic Baddeleyite |
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