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Table 3 Measured geometric volume (V geom ), apparent volume (V app ), pore volume percentage (V pori ) and Extrapolated Final Time of Absorption (EFTA) computed after curve fitting for the three samples 2

From: Proposal of a new analytical procedure for the measurement of water absorption by stone. Preliminary study for an alternative to the Italian technical normative NORMAL 07-81

Sample Vgeom(cm3) Vapp(cm3) Vpori(%) EFTA (min)
     Trial I Trial II Trial III
WM 7.90 7.72 ± 0.002 1.60 ± 0.13 * 1854 2401
RM1 7.90 7.53 ± 0.004 1.59 ± 0.17 2403 1673 2239
RM2 7.60 7.42 ± 0.02 0.72 ± 0.03 1566** 2880 2132