Experimental Study of the Pore Structure Deterioration of Sandstones under Freeze-Thaw Cycles and Chemical Erosion

Table 2

Statistics of the proportion of each peak area in the T₂ curve.

Solution	Specimen	Proportion of each peak area (vol.%)						Total peak area
		1^st	2^nd	3^rd	4^th	5^th	6^th
H2SO4	C7-0	48.37	28.27	17.00	6.36	0	0	12467
	C7-10	54.62	19.99	21.46	3.94	0	0	14417
	C7-20	40.12	28.09	20.52	9.89	1.38	0	14378
	C7-30	43.25	18.11	14.93	18.07	4.84	0.80	16903
Pure water	F7-0	51.76	33.24	10.89	4.10	0	0	11614
	F7-10	32.50	40.00	22.46	5.04	0	0	13111
	F7-20	42.87	28.81	20.94	5.82	1.56	0	12835
	F7-30	41.51	29.73	20.44	6.36	1.95	0	14058