Adsorption Capacities of Hygroscopic Materials Based on NaCl-TiO₂ and NaCl-SiO₂ Core/Shell Particles

Table 1

Measured specific surface area of NaCl, NaCl-TiO₂, and NaCl-SiO₂ at 25°C, 35°C, and 45°C.

Material	Specific surface area^a (m^2·g^−1)
	25°C	35°C	45°C
NaCl	9.92	12.05	15.32
NaCl-TiO2	49.14	201.86	175.30
NaCl-SiO2	9.83	13.67	15.20

^aAdsorbate: water vapor. P/P₀ = 0.05–0.35.