1-3
Oxygen, Dissolved
The following table lists the mg/L dissolved oxygen in water at
saturation for various temperatures and atmospheric pressures. The table
was formulated in a laboratory using pure water; thus, the values given
should be considered as only approximations when estimating the
oxygen content of a particular body of surface water.
Table 2. Dissolved Oxygen Saturation In Water
Pressure in Millimeters and Inches Hg
Temp 775 760 750 725 700 675 650 625 mm
°F °C 30.51 29.92 29.53 28.45 27.56 26.57 25.59 24.6 inches
32.0 0 14.9 14.6 14.4 13.9 13.5 12.9 12.5 12.0
33.8 1 14.5 14.2 14.1 13.6 13.1 12.6 12.2 11.7
35.6 2 14.1 13.9 13.7 13.2 12.9 12.3 11.8 11.4
37.4 3 13.8 13.5 13.3 12.9 12.4 12.0 11.5 11.1
39.2 4 13.4 13.2 13.0 12.5 12.1 11.7 11.2 10.8
41.0 5 13.1 12.8 12.6 12.2 11.8 11.4 10.9 10.5
42.8 6 12.7 12.5 12.3 11.9 11.5 11.1 10.7 10.3
44.6 7 12.4 12.2 12.0 11.6 11.2 10.8 10.4 10.0
46.4 8 12.1 11.9 11.7 11.3 10.9 10.5 10.1 9.8
48.2 9 11.8 11.6 11.5 11.1 10.7 10.3 9.9 9.5
50.0 10 11.6 11.3 11.2 10.8 10.4 10.1 9.7 9.3
51.8 11 11.3 11.1 10.9 10.6 10.2 9.8 9.5 9.1
53.6 12 11.1 10.8 10.7 10.3 10.0 9.6 9.2 8.9
55.4 13 10.8 10.6 10.5 10.1 9.8 9.4 9.1 8.7
57.2 14 10.6 10.4 10.2 9.9 9.5 9.2 8.9 8.5
59.0 15 10.4 10.2 10.0 9.7 9.3 9.0 8.7 8.3
60.8 16 10.1 9.9 9.8 9.5 9.1 8.8 8.5 8.1
62.6 17 9.9 9.7 9.6 9.3 9.0 8.6 8.3 8.0
64.4 18 9.7 9.5 9.4 9.1 8.8 8.4 8.1 7.8
66.2 19 9.5 9.3 9.2 8.9 8.6 8.3 8.0 7.6
68.0 20 9.3 9.2 9.1 8.7 8.4 8.1 7.8 7.5
69.8 21 9.2 9.0 8.9 8.6 8.3 8.0 7.7 7.4
71.6 22 9.0 8.8 8.7 8.4 8.1 7.8 7.5 7.2
73.4 23 8.8 8.7 8.5 8.2 8.0 7.7 7.4 7.1
75.2 24 8.7 8.5 8.4 8.1 7.8 7.5 7.2 7.0
77.0 25 8.5 8.4 8.3 8.0 7.7 7.4 7.1 6.8
78.8 26 8.4 8.2 8.1 7.8 7.6 7.3 7.0 6.7
80.6 27 8.2 8.1 8.0 7.7 7.4 7.1 6.9 6.6
82.4 28 8.1 7.9 7.8 7.6 7.3 7.0 6.7 6.5
84.2 29 7.9 7.8 7.7 7.4 7.2 6.9 6.6 6.4
86.0 30 7.8 7.7 7.6 7.3 7.0 6.8 6.5 6.2
87.8 31 7.7 7.5 7.4 7.2 6.9 6.7 6.4 6.1
89.6 32 7.6 7.4 7.3 7.0 6.8 6.6 6.3 6.0
91.4 33 7.4 7.3 7.2 6.9 6.7 6.4 6.2 5.9
93.2 34 7.3 7.2 7.1 6.8 6.6 6.3 6.1 5.8
95.0 35 7.2 7.1 7.0 6.7 6.5 6.2 6.0 5.7
96.8 36 7.1 7.0 6.9 6.6 6.4 6.1 5.9 5.6
98.6 37 7.0 6.8 6.7 6.5 6.3 6.0 5.8 5.6
100.4 38 6.9 6.7 6.6 6.4 6.2 5.9 5.7 5.5
102.2 39 6.8 6.6 6.5 6.3 6.1 5.8 5.6 5.4
104.0 40 6.7 6.5 6.4 6.2 6.0 5.7 5.5 5.3
105.8 41 6.6 6.4 6.3 6.1 5.9 5.6 5.4 5.2
107.6 42 6.5 6.3 6.2 6.0 5.8 5.6 5.3 5.1
109.4 43 6.4 6.2 6.1 5.9 5.7 5.5 5.2 5.0
111.2 44 6.3 6.1 6.0 5.8 5.6 5.4 5.2 4.9
113.0 45 6.2 6.0 5.9 5.7 5.5 5.3 5.1 4.8
114.8 46 6.1 5.9 5.8 5.6 5.4 5.2 5.0 4.8
116.6 47 6.0 5.9 5.8 5.6 5.3 5.1 4.8 4.7
118.4 48 5.9 5.8 5.7 5.5 5.3 5.0 4.8 4.6
120.2 49 5.8 5.7 5.6 5.4 5.2 5.0 4.7 4.5
122.0 50 5.7 5.6 5.5 5.3 5.1 4.9 4.7 4.4
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