Composition of common crystalloid solutions compared with plasma70–72
| Plasma | 0.9% saline | Hartmann’s | Lactated Ringer’s | Ringer’s acetate | Plasma-Lyte 148 | |
| Osmolality (mOsm/L) | 275–295 | 308 | 278 | 273 | 276 | 294 |
| pH | 7.35–7.45 | 4.5–7.0 | 5.0–7.0 | 6.0–7.5 | 6.0–8.0 | 4.0–8.0 |
| Sodium (mmol/L) | 135–145 | 154 | 131 | 130 | 130 | 140 |
| Potassium (mmol/L) | 3.5–5.0 | 5.0 | 4.0 | 5.0 | 5.0 | |
| Magnesium (mmol/L) | 0.8–1.2 | 1.0 | 1.5 | |||
| Chloride (mmol/L) | 96–106 | 154 | 111 | 109 | 112 | 98 |
| Calcium (mmol/L) | 2.2–2.6 | 2.0 | 1.4 | 1.0 | ||
| Acetate (mmol/L) | 27 | 27 | ||||
| Lactate (mmol/L) | 1–2 | 29 | 28 | |||
| Bicarbonate (mmol/L) | 22–28 | |||||
| Gluconate (mmol/L) | 23 |