| Human Plasma | Ringer | EBSS | HBSS | Kokubo-SBF | Tas-SBF |
Na+ | 142 | 130 | 143.6 | 138 | 142 | 142 |
K+ | 5 | 4 | 5.37 | 6.14 | 5 | 5 |
Ca2+ | 2.5 | 1.4 | 1.8 | 1.26 | 2.5 | 2.5 |
Mg2+ | 1.5 | - | 0.81 | 0.81 | 1.5 | 1.5 |
Cl− | 103 | 109 | 125.3 | 144.8 | 147.8 | 125 |
HCO3− | 27 | - | 26.2 | 4.2 | 4.2 | 27 |
| 1 | - | 1 | 0.78 | 1 | 1 |
| 0.5 | - | 0.81 | 0.81 | 0.5 | 0.5 |
Ca/P | 2.5 | - | 1.8 | 1.62 | 2.5 | 2.5 |
Buffer | - | - | - | - | Tris | Tris |
pH | 7.4 | 6.5 | 7.2 - 7.6 | 6.7 - 6.9 | 7.4 | 7.4 |