Biological Buffers

5.0 - 5.4 (neat, 25°C) (1) 6.0 - 8.0 (neat, 25°C) (1) 6.5 - 6.9 (neat, 25°C), 7.2 - 7.6 (1X, 25°C) (2) 6.5 - 6.9 (neat; H₂O, 25°C), 7.2 - 7.6 (1X; H₂O, 25°C) (2) 6.6 - 7.0 (neat, 25°C) (3) 7.2 - 7.6 (neat, 25°C) (9) 7.3 - 7.7 (neat, 25°C) (3) 7.6 - 8.0 (neat, 25°C) (2) 7.8 - 8.2 (neat, 25°C) (21) 8.1 - 8.5 (neat, 25°C) (5) 8.6 - 9.0 (neat, 25°C) (4)