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. 2013 Aug 6;2:17. doi: 10.1186/2047-0525-2-17

Table 4.

Commonly applied crystalloid solutions: osmolality, cationic and anionic composition

  Osmolality (mOsm/kg) pH Na + (mmol/l) K + (mmol/l) Ca 2+ (mmol/l) Mg 2+ (mmol/l) HCO 3 (mmol/l) Lactate (mmol/l) Other buffer (mmol/l) Cl - (mmol/l)
0.9% saline
 308
 5.5
 154
  
  
  
  
  
  
 154
Ringer’s
 309
  
 147
 4
 5
  
  
  
  
 156
Ringer’s lactate
 273
 6.5
 130
 5.4
 2.7
  
  
 29
  
 109
Ringer’s lactate
 273
 6.5
 130
 5.4
 2.7
  
  
  
 29a
  
Hartmann’s
 280
 6.5
 131
 5.4
 2
  
  
 29
  
 112
 Modified
 290
  
 145
 4
 2.5
 1
  
  
 24a1
 127
 Balanced
 294
 5.5
 140
 5
  
 1.5
  
  
 50b
 98
 Fluids
 299
 5.5
 140
 10
 5
 3
  
 8
 47a
 103
1.4% Na bicarbonate
 333
 >7.0
 167
  
  
  
 167
  
  
  
4.2% Na bicarbonate
 1,000
 >7.0
 500
  
  
  
 500
  
  
  
8.4% Na bicarbonate
 2,000
 >7.0
 1,000
  
  
  
 1,000
  
  
  
3% saline
 1,026
  
 513
  
  
  
  
  
  
 513
7% saline 2,394   1,197             1,197

aacetate, a1 with 5 mmol/l maleate, b27 mmol/l as acetate and 23 mmol/l as gluconate.