Trần Khải, Trần Kông Tấu (trang 84-90, 44)
Từ khoá: bề mặt riêng, tỷ diện, bentonit
The specific surface area of some bentonites in Vietnam
Studied soils: sand soils, degraded grey soils, red-yellowish ferralitic soils, developed on argrilite (ferralit acrisols). Research on specific surface area and chemical characteristics such as particle-size, cation exchange capacity (CEC), swelling, plasticity, external and internal surface (differential porosity) and water retention of some bentonites in Co Dinh (Thanh Hoa province) and Tam Bo, Di Linh (Lam Dong province).