Table 2.

Influence of solid content on IEC and specific heat enhancement for KNO₃ doped with SiO₂.

SiO2 mass load [%]	pH	dp50 [nm]	${\mathit{n}}_{{\mathit{H}}_{\mathit{acid}}^{\mathbf{+}}}/{\mathit{m}}_{\mathit{np}}$[mmol/g]	IEC [mmol/g]	ΔcP[−]
1.92	1.19	45.1	3.32	2.12	1.101
3.73	1.02	112.8	0.66	0.42	1.068