Table 4: Observed C and N enrichments in Saturn, and calculated enrichments in volatiles in the nominal model (CO2:CO:CH4 = 30:10:1 and N2:NH3 = 1).

Species
Observed Calculated
  (1) (2) (1) (2)

C
$3.4 \pm 0.9$a $8.8 \pm 1.7$b 2.8 7.1
N $3.1 \pm 0.6$c 2.5 6.5
S     2.1 5.5
Ar     2.0 5.1
Kr     2.2 5.6
Xe     2.6 6.7
The observed values are taken from a Kerola et al. (1997); b Flasar et al. (2005); and c Briggs & Sackett (1989). Calculated enrichments are calibrated on the observed C enrichment with the same column label.

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