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Theoretical Values for Dissolved Gas Concentrations

 

Under Pure Atmosphere
Under Ambient Atmosphere
Gas
Hc
Mol Wgt
(%)
mg/L
Gas Conc.
Water Conc.
O2 (mg/L)
32
32
100
41.3
20.90%
8.6 mg/L
N2 (mg/L)
60
28
100
19.3
78.10%
15.1 mg/L
H2 (nM)
51
2
100
1.6
0.5 PPM
0.4 nmoles/L
CH4 (ng/L)
30.5
16
100
21.7
2 PPM
43.4 ng/L
CO2 (mg/L)
1.2
44
100
1515.8
0.03%
0.5 mg/L
ethene
8.5
28
100
136.2
ethane
22.4
30
100
55.4
propane
31
44
100
58.7
ibut
52
58
100
46.1
nbut
41
58
100
58.5

 

NOTE: All calculations assume an atmospheric pressure of 1 atmosphere

Hc =concentration in gas/ concentration in water (unitless)

 
 
                 
                 
                 

 

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