Resistivity, ESR, and Radiation Shielding Properties of the Volcanic Rock Materials

Table 2

Qualitative and quantitative analysis for pumice types.

	Element (line K𝛼)	Conc. (wt%)
Pumice	O	65.779
	Al	7.254
	Si	24.400
	K	2.436
	Ca	0.130
PTS	O	69.187
	Al	7.035
	Si	19.077
	Ca	2.083
	Fe	2.617
CDS	O	69.735
	Al	5.681
	Si	14.974
	Ca	2.871
	Fe	6.739