|
楼主 |
发表于 2014-7-16 12:55:49
|
显示全部楼层
Table 2. Chemical composition of 15486.
reference Cuttitta73 Helmke73 O’Kelley73
weight
SiO2 % 48.25 (a)
TiO2 1.81 (a)
Al2O3 10 (a)
FeO 19.85 (a)
MnO 0.29 (a)
MgO 8.8 (a)
CaO 10.25 (a)
Na2O 0.37 (a)
K2O 0.08 (a) 0.061 (d)
P2O5 0.13 (a)
S %
sum
Sc ppm 54 (b) 44.2 (c )
V
Cr 3421 (b)
Co 100 (b) 47 (c )
Ni 62 (b)
Cu 10 (b)
Zn
Ga 7.8 (b)
Ge ppb
As
Se
Rb 1.3 (b)
Sr 135 (b)
Y 36 (b)
Zr 127 (b)
Nb 10 (b)
Mo
Ru
Rh
Pd ppb
Ag ppb
Cd ppb
In ppb
Sn ppb
Sb ppb
Te ppb
Cs ppm
Ba 74 (b)
La 7.09 (c )
Ce 18 (c )
Pr
Nd 14 (c )
Sm 4.57 (c )
Eu 0.977 (c )
Gd 5.5 (c )
Tb 0.92 (c )
Dy 5.96 (c )
Ho 1.2 (c )
Er 3 (c )
Tm
Yb 4.4 (b) 2.79 (c )
Lu 0.44 (c )
Hf
Ta
W ppb
Re ppb
Os ppb
Ir ppb
Pt ppb
Au ppb
Th ppm 0.64 (d)
U ppm 0.15 (d)
technique: (a) XRF, (b) OES, (c ) INAA, (d) radiation counting
|
|