Table 2.
Headspace CO2 analysis and the amount of 13CO2 evolved.
| Parameter | 10°C | 20°C | ||||
|---|---|---|---|---|---|---|
| Day 04 | Day 07 | Day 14 | Day 04 | Day 07 | Day 14 | |
| Headspace CO2 concentration (%) | 0.95 ± 0.03 | 4.27 ± 0.22 | 5.62 ± 1.00 | 3.60 ± 0.31 | 4.66 ± 0.05 | 5.56 ± 0.14 |
| 13CO2 evolved (nmol) | 987 ± 137 | 21,647 ± 1361 | 20,785 ± 947 | 18,734 ± 1803 | 19,555 ± 516 | 20,476 ± 18 |
| 13C-naphthalene mineralized (%)a | 2.5 ± 0.4 | 55 ± 3 | 53 ± 2 | 48 ± 5 | 50 ± 1 | 52 ± 0 |
The measurements were taken on independent biological duplicates.
a
The amount is based on chemical equation of naphthalene mineralization: C10H8 + 12O2 → 10CO2 + 4H2O.