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SOLUBILITY OF OXYGEN

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Solubility of Oxygen in water

The solubility of oxygen in water in equilibrium with air at 760mm Hg pressure and 100% relative humidity Units:mg/1 . The data gives the mg/l of oxygen in solution that is equivalent to 100% saturation at the specified temperature
T deg C 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0 14.60 14.65 14.52 14.48 14.44 14.40 14.36 14.33 14.29 14.25
1 14.21 14.17 14.13 14.09 14.05 14.02 13.98 13.94 13.90 13.87
2 13.83 13.79 13.75 13.72 13.68 13.64 13.61 13.57 13.54 13.50
3 13.46 13.43 13.39 13.36 13.32 13.29 13.25 13.22 13.18 13.15
4 13.11 13.08 13.04 13.01 12.98 12.94 12.91 12.88 12.84 12.81
5 12.78 12.74 12.71 12.68 12.64 12.61 12.58 12.55 12.52 12.48
6 12.45 12.45 12.39 12.36 12.33 12.29 12.26 12.23 12.20 12.17
7 12.14 12.11 12.08 12.05 12.02 11.99 11.96 11.93 11.90 11.87
8 11.84 11.81 11.78 11.76 11.73 11.70 11.67 11.64 11.61 11.58
9 11.56 11.53 11.50 11.47 11.44 11.42 11.39 11.36 11.34 11.31
10 11.28 11.25 11.23 11.20 11.17 11.15 11.12 11.10 11.07 11.04
11 11.02 10.99 10.97 10.94 10.91 10.89 10.86 10.84 10.81 10.79
12 10.76 10.74 10.72 10.69 10.67 10.64 10.62 10.59 10.57 10.55
13 10.54 10.50 10.47 10.45 10.43 10.40 10.38 10.36 10.34 10.31
14 10.29 10.27 10.24 10.22 10.20 10.18 10.15 10.13 10.11 10.09
15 10.07 10.04 10.02 10.00 9.98 9.96 9.94 9.92 9.89 9.87
16 9.85 9.83 9.81 9.79 9.77 9.75 9.73 9.71 9.69 9.67
17 9.65 9.63 9.61 9.59 9.57 9.55 9.53 9.51 9.49 9.47
18 9.45 9.43 9.41 9.39 9.37 9.36 9.34 9.32 9.30 9.28
19 9.26 9.24 9.23 9.21 9.19 9.17 9.15 9.13 9.12 9.10
20 9.08 9.06 9.05 9.03 9.01 8.99 8.89 8.96 8.94 8.92
21 8.91 8.89 8.87 8.86 8.84 8.82 8.81 8.79 8.77 8.76
22 8.74 8.72 8.71 8.69 8.67 8.66 8.64 8.63 8.61 8.59
23 8.58 8.56 8.55 8.53 8.51 8.50 8.48 8.47 8.45 8.44
24 8.42 8.41 8.39 8.38 8.36 8.35 8.33 8.32 8.30 8.29
25 8.27 8.26 8.24 8.23 8.21 8.20 8.18 8.17 8.16 8.14
26 8.13 8.11 8.10 8.08 8.07 8.06 8.04 8.03 8.01 8.00
27 7.99 7.97 7.96 7.94 7.93 7.92 7.90 7.89 7.88 7.86
28 7.85 7.84 7.82 7.81 7.80 7.78 7.77 7.76 7.74 7.73
29 7.72 7.70 7.69 7.68 7.66 7.65 7.64 7.63 7.61 7.60
30 7.59 7.57 7.56 7.55 7.54 7.52 7.51 7.50 7.49 7.47

CORRECTION FACTORS FOR CALIBRATION OF A DISSOLVED OXYGEN

METER TO READ IN MG/1 IN SALINE WATER

Salinity ppt Meter Setting Dissolved Oxygen setting
0 100%
5 97%
10 94%
15 91%
20 88%
25 85%
30 83%
35 80%

 

VARIATION OF MEAN ATMOSPHERIC PRESSURE WITH ALTITUDE

(m)height AverageAtmosphericPressure (mmHg) Factor
0

760

 1.00
100

750

 1.01
200

741

 1.03
300

732

 1.04
400

723

 1.05
500

714

 1.06