Sample

Specific Surface Area (m² g⁻¹)

Cation Exchange Capacity [21]

(cmol_c kg⁻¹) CEC

Channel

Dimensions [6] (Å)

BET

EGME [20]

Na-Sepiolite

251.5

478.0

26.6

3.7 × 10.6

Na-Palygorskite

147.6

354.3

17.0

3.7 × 6.4