Elem. | Present | Liu(1) | PDM(2) | Solar(3) |
He | 0.14 | 0.14 | 0.14 | 0.098 |
C(-4) | 6.8 | 2.8 | 8.0 | 3.3 |
N(-4) | 4.8 | 2.3 | 20 | 0.84 |
O(-4) | 8.3 | 5.0 | 10 | 4.9 |
S(-5) | 1.9 | 1.6 | 3.7 | 1.9 |
Ar(-6) | 8.5 | 2.7 | 10 | 2.5 |
Ne(-4) | 3.1 | 1.7 | 2.5 | 1.2 |
Cl(-7) | 5.6 | 4.2 | 3.0 | |
Fe(-7) | 3.1: | 320 |
(1) Liu et al. (2000); (2) Pottasch et al. (1986); (3) Solar: Anders & Grevesse (1989); Allende Prieto et al. (2001); Grevesse & Sauval (1998). |