Detection of Nanoscale Soil Organic Matter by Middle Infrared Spectrum for Forensic Science

Table 1

The database table design of S1 sample.

Number of functional groups	Type of functional groups	Absorbance value of functional groups
7	C–X	0.31
	P–Cl		0.19
	–NH			0.13
	O–N=O/C=C				0.09
	O–N=O/CH					0.12
	C–N=O/C–O						0.08
	–OH							0.17