Page 104 - Partition & Adsorption of Organic Contaminants in Environmental Systems
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IMPROPER SURFACE-AREA MEASUREMENT       95

                     30
                             Kaolinite-EGME
                             Kaolinite-nitrogren
                                                                       8
                             Alumina-EGME (right scale)
                    Vapor Uptake, Q (mg/g)  10                         4
                             Alumina-nitrogen (right scale)
                     20











                      0                                                0
                       0        0.2      0.4       0.6      0.8      1.0
                                      Relative Pressure, P/P°

            Figure 6.4  Uptake of EGME vapor at room temperature and N 2 vapor at 77K by
            kaolinite and alumina. The solids are identified in Table 6.2. [Data from Chiou et al.
            (1993). Reproduced with permission.]



                    120
                           Ca-SAz-1-EGME (right scale)
                           Ca-SAz-1-nitrogen                          300
                   Vapor Uptake, Q (mg/g)  80                         200







                     40


                                               Illite-EGME            100
                                               Illite-nitrogen
                     0                                                0
                      0        0.2       0.4      0.6       0.8     1.0
                                     Relative Pressure, P/P°

            Figure 6.5  Uptake of EGME vapor at room temperature and N 2 vapor at 77K by Ca-
            SAz-1 and illite. The solids are identified in Table 6.2. [Data from Chiou et al. (1993).
            Reproduced with permission.]
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