| Element | This paper | (1) | (2) | (3) | (4) | (5) | Averagea | Solarb |
| He | 11.00 | 11.03 | 11.00 | 11.05 | 11.02 | 11.00 | 11.06 | 10.90 |
| C | 9.10 | 8.78 | 8.98 | 8.84 | 9.11 | 8.98 | 8.74 | 8.39 |
| N | 8.14 | 8.20 | 8.21 | 8.10 | 8.28 | 8.35 | 7.83 | |
| O | 8.66 | 8.61 | 8.71 | 8.49 | 8.75 | 8.66 | 8.68 | 8.69 |
| Ne | 8.07 | 8.00 | 8.14 | 8.00 | 8.04 | 8.09 | 7.87 | |
| Mg | 7.60 | 7.34 | 7.41 | 7.33 | 7.55 | |||
| S | 6.92 | 6.97 | 6.86 | 6.90 | 6.92 | 7.19 | ||
| Cl | 5.21 | 5.04 | 5.30 | 5.26 | ||||
| Ar | 6.30 | 6.36 | 6.32 | 6.40 | 6.39 | 6.55 | ||
| Fe | 5.58 | 6.00 | 7.47 |
.|
a Average abundances of Galactic PNe (Kingsburgh & Barlow 1994). b Lodders (2003). Reference: (1) Bernard-Salas et al. (2001); (2) Kwitter & Henry (1996); (3) Keyes et al. (1990); (4) Middlemass (1990); (5) Gruenwald & Péquignot (1989). |
