Table 1.

Basic physico-chemical properties of GMZ bentonite (reproduced from Wen, 2006, with the author's permission).

ParameterValue
Specific gravity Gs (mg/m3)2.66
pH8.68∼9.86
Liquid limit (%)276
Plastic limit (%)37
Total specific surface area (m2·g−1)570
Main exchange ion content (meq/100 g)Na+(43.36),Ca2+(14.57), Mg2+(6.17),K+(2.51)
Main mineral contentMontmorillonite (75%),Quartz (12%),Feldspar (4%),Cristobalite (7%)