Table 1. Physical properties of K_V1...

Table 1.

Physical properties of K_V1

Properties	Value
Specific gravity (G_s)^*	2·8 ± 0·03
Room water content (w₀)^†	6–8%
Montmorillonite content (C_m)^‡	53%
Main accessory minerals^§	Quartz, feldspar, plagioclase, calcite
Content of particles of size < 5 μm^§	73%
Liquid limit (L_L)^\|\|	505%
Plastic limit (P_L)^\|\|	45%
Cation exchange capacity (CEC)^\|\|	71·9 meq/100 g
Extractable cations^\|\|	Na⁺: 53·8 meq/100 g Ca²⁺: 35·5 meq/100 g Mg²⁺: 1·6 meq/100 g K⁺: < 1·0 meq/100 g

Properties	Value
Specific gravity (G_s)^*	2·8 ± 0·03
Room water content (w₀)^†	6–8%
Montmorillonite content (C_m)^‡	53%
Main accessory minerals^§	Quartz, feldspar, plagioclase, calcite
Content of particles of size < 5 μm^§	73%
Liquid limit (L_L)^\|\|	505%
Plastic limit (P_L)^\|\|	45%
Cation exchange capacity (CEC)^\|\|	71·9 meq/100 g
Extractable cations^\|\|	Na⁺: 53·8 meq/100 g Ca²⁺: 35·5 meq/100 g Mg²⁺: 1·6 meq/100 g K⁺: < 1·0 meq/100 g

Reported by Wang et al. (2021).

^†

Relative humidity ∼ 50% and temperature ∼ 23°C.

^‡

Obtained based on the methylene blue adsorption test (JIS, 2019).

^§

Reported by Wang et al. (2020a).

^||

Reported by Shirakawabe et al. (2021).

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