Table 4 Chemical properties of the experimental seawater used for intracellular pH measurements. Input conditions: 20 °C, 1 dbars pressure, P and Si: 0 µmol kg−1 SW. Identical output conditions except for temperature (3 °C)
From: CO2-induced fertilization impairment in Strongylocentrotus droebachiensis collected in the Arctic
Experiment | Treatment (ASW) | Salinity (‰) | A T (μmol kg−1 SW) | pH* (NIST) | C T (μmol kg−1 SW) | pHC (total scale) | pCO2 (µatm) |
|---|---|---|---|---|---|---|---|
pHi | ~180 | 31.2 ± 0.1 | 2,383.8 ± 1.0 | 8.13 ± 0.00 | 2,129.1 ± 9.5 | 8.34 ± 0.01 | 192 ± 3.5 |
~380 | 31.3 ± 0.2 | 2,396.2 ± 5.1 | 8.05 ± 1.41 | 2,258.1 ± 4.4 | 8.08 ± 0.01 | 379 ± 6.7 | |
~750 | 31.2 ± 0.1 | 2,382.2 ± 2.1 | 7.63 ± 0.01 | 2,350.1 ± 19.8 | 7.80 ± 0.02 | 770 ± 46.2 | |
~1,000 | 31.1 ± 0.1 | 2,398.2 ± 7.8 | 7.58 ± 0.03 | 2,385.0 ± 24.6 | 7.71 ± 0.10 | 980 ± 229.2 | |
~2,000 | 31.4 ± 0.3 | 2,448.0 ± 1.1 | 7.20 ± 0.00 | 2,529.1 ± 9.3 | 7.39 ± 0.03 | 2,110 ± 139.4 |