Table 6  Modified parameters, basal spacings and surface area values of series 2 methods.
Method  Relation of Clay/Water (g/mL)  Mass of Clay  Amount of Water in Clay Suspension  d001 (Å)  SBET (m2/g)  Observations
Natural  -  -  -  15.1  58  -
Traditional  1/100  3 g  300 mL  17.8  234  -
6  -  3 g  -  13.7  85  Refluxed
7  1/100  10 g  1000 mL  17.2  201  1 month
8  -  10 g  -  17.1  71  In Situ
9  1/100  3 g  300 mL  12.9  74  In Situ w/exp a
10  1/50  3 g  150 mL  17.7  225  Pil. Ag. 1 day b
11  1/100  10 g  1000 mL  17.5  237  Pil. Ag. 1 day
a In situ with expansion; b pillaring agent prepared over 1 day.