Table 3.

Henry’s law “constants” k for nitrogen and air dissolved in water^f

Temp. °C	Nitrogena			Air			Aire
	Pressure, bars			Pressure, bars			Pressure, bars
	1	50	100	lb	50c	100d	1	50	100
0	18.65	17.00	15.62	23.25	21.19	19.48	23.20	21.20	19.49
5	16.42	15.11	13.96	20.45	18.82	17.39	20.53	18.81	17.37
10	14.89	13.69	12.70	18.26	16.80	15.58	18.30	16.79	15.58
15	13.51	12.41	11.60	16.49	15.15	14.15	16.46	15.12	14.10
20	12.52	11.42	10.72	14.93	13.62	12.78	14.96	13.75	12.88
25	11.61	10.68	10.01	13.84	12.73	11.92	13.76	12.64	11.90
30	10.88	10.00	9.46	12.83	11.79	11.16	12.79	11.77	11.13
35	10.23	9.44	8.97	12.00	10.08	10.53	12.02	11.10	10.52
40	9.67	9.02	8.57	11.34	10.58	10.05	11.40	10.58	10.05
45	9.27	8.70	8.25	10.84	10.17	9.64	10.87	10.19	9.68
50	8.90	8.44	8.00	10.44	9.90	9.39	10.39	9.89	9.38

^aData based on solubilities in references [24, 25, 26, 27, 28, 29, 30].

^bData based on solubilities in references [22, 23, 24].

^cCalculated by assuming that the percent difference for air is the same as for nitrogen between 50 and 1 bars.

^dCalculated by assuming that the percent difference for air is the same as for nitrogen between 100 and 1 bars.

^eCalculated from eq (32).

^fUnits: k, 10⁻⁶ mole fraction per bar; P, bars.