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NITROGEN ISOTHERM AND SOLID SURFACE AREA 89
6 60
Goethite 40
Vapor Uptake, Q (mg/g) 2 20
Kaolinite (right scale)
4
0 0
0 0.2 0.4 0.6 0.8 1.0
Relative Pressure, P/P°
Figure 6.2 N 2-vapor adsorption at 77K on goethite and kaolinite. The solids are iden-
tified in Table 6.1. [Data on kaolinite from Rutherford et al. (1997).]
120
K-SAz-1
Ca-SAz-1 600
Activated carbon (right scale)
Vapor Uptake, Q (mg/g) 40 400
80
200
0 0
0 0.2 0.4 0.6 0.8 1.0
Relative Pressure, P/P°
Figure 6.3 N 2 -vapor adsorption at 77K on K-SAz-1, Ca-SAz-1, and activated
carbon. The solids are identified in Table 6.1. [Data on K-SAz-1 and Ca-SAz-1 from
Rutherford et al. (1997).]
