Study on The Influence of Direct Ground Liquid CO₂ Injection on Soil Chemical Properties in Subsidence Areas under Shallow Buried Geological Conditions

Table 9

Number correspondence table.

Sample number	Sample category	Sampling time	Number
#1 (C1)	Air-dried sample F	Before infusion (D1)	C1FD1
		1 day after infusion (D2)	C1FD2
		5 days after infusion (D3)	C1FD3
	Fresh sample X	Before infusion (D1)	C1XD1
		1 day after infusion (D2)	C1XD2
		5 days after infusion (D3)	C1XD3
#2 (C2)	Air-dried sample F	Before infusion (D1)	C2FD1
		1 day after infusion (D2)	C2FD2
		5 days after infusion (D3)	C2FD3
	Fresh sample X	Before infusion (D1)	C2XD1
		1 day after infusion (D2)	C2XD2
		5 days after infusion (D3)	C2XD3
#3 (C3)	Air-dried sample F	Before infusion (D1)	C3FD1
		1 day after infusion (D2)	C3FD2
		5 days after infusion (D3)	C3FD3
	Fresh sample X	Before infusion (D1)	C3XD1
		1 day after infusion (D2)	C3XD2
		5 days after infusion (D3)	C3XD3