| Filtered (0.2 µm) and degassed distilled water |
72.5 |
|
| Filtered (0.2 µm), degassed, distilled water adjusted to 2 mm KCl |
73.0 |
Nolf et al. (2015) |
| Filtered (0.2 µm), degassed, distilled water adjusted to 10 mm KCl |
74.3 |
Secchi and Zwieniecki (2010) |
| Acqua Levissima San Pellegrino (0.51 mm Ca2+, 0.07 mm Mg2+, 0.08 mm Na+, 0.03 mm NO3−, 0.96 mm HCO3−, 0.15 mm SO42−, and 0.01 mm F−), filtered (0.2 µm) |
72.9 |
Nardini et al. (2007) |
| Acqua Levissima San Pellegrino adjusted to 3 mm [K+], filtered (0.2 µm) |
73.2 |
Nardini et al. (2010) |
| Acqua Levissima San Pellegrino adjusted to 10 mm [K+], filtered (0.2 µm) |
74.6 |
Nardini et al. (2007) |
| Acqua Levissima San Pellegrino adjusted to 15 mm [K+], filtered (0.2 µm) |
75.8 |
Trifilò et al. (2014) |
| Distilled, filtered (0.22 µm), and degassed water containing 0.005% (v/v) Micropur (Katadyn Products) |
73.5 |
Mayr et al. (2006) |
| Filtered (0.2 µm), distilled water adjusted to 10 mm KCl and 1 mm CaCl2
|
74.7 |
Cochard et al. (2009) |
| Filtered (0.2 µm), distilled water adjusted to 20 mm KCl and 1 mm CaCl2
|
76.4 |
van Ieperen and van Gelder (2006) |
| Filtered (0.2 µm) 10 mm oxalic acid, pH 2 |
71.9 |
Sperry and Tyree (1988) |
