Proc. IODP, 301, Data report: specific surface area and physical properties of subsurface basalt samples from the east flank of Juan de Fuca Ridge

Table T3. Example of SSA calculation at STP, Section 301-U1301B-3R-1. (See table notes.)

Core, section	Analysis gas	P/P₀	V_a (cm³/g)	P/V_a(P₀ – P) (cm³/g)	Slope (cm³/g)	Intercept (cm³/g)	R²	V_m (cm³/g)	SSA (m²/g)
301-U1301B-3R-1	Argon	0.059	0.140	0.453	4.018	0.200	0.998	0.24	0.9
		0.078	0.169	0.498
		0.120	0.201	0.676
		0.170	0.231	0.883
		0.217	0.258	1.072

Notes: a_m = 1.42 × 10^–19 m² (from Lowell and Shields, 1991). V_l = 0.0222 m³ (calculated from density at standard temperature and pressure [STP]). L = 6.02 × 10²³. SSA = specific surface area. All results given at STP.

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