Two-Dimensional Perturbation Correlation Infrared Spectroscopy Analysis of Animal Manure Biochar

Xiang-yang GUI; Chen LIU; Ji-hong XU; Fang-lei DUAN; Shu-wei FANG; Fei-yue LI

doi:10.3964/j.issn.1000-0593(2020)11-3606-07

Journals >Spectroscopy and Spectral Analysis >Volume 40 >Issue 11 >Page 3606 > Article

Spectroscopy and Spectral Analysis
Vol. 40, Issue 11, 3606 (2020)

Two-Dimensional Perturbation Correlation Infrared Spectroscopy Analysis of Animal Manure Biochar

Xiang-yang GUI^1、1、*, Chen LIU^1、1, Ji-hong XU^1、1, Fang-lei DUAN^1、1, Shu-wei FANG^1、1, and Fei-yue LI^1、1

Author Affiliations

¹[in Chinese]

¹1. College of Resource and Environment, Anhui Science and Technology University, Fengyang 233100, China

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DOI: 10.3964/j.issn.1000-0593(2020)11-3606-07 Cite this Article

Xiang-yang GUI, Chen LIU, Ji-hong XU, Fang-lei DUAN, Shu-wei FANG, Fei-yue LI. Two-Dimensional Perturbation Correlation Infrared Spectroscopy Analysis of Animal Manure Biochar[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3606 Copy Citation Text

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Fig. 1. Infrared spectra of biochars
(a): Chicken manure; (b): Dairy manure; (c): Pig manure

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Correlation spectra of biochars in 3 600~2 800 cm-1 band(a): Chicken manure biochar; (b): Cow dung biochar; (c): Pig manure biocharleft: synchronous spectrum; middle: asynchronous spectrum; right: auto-correlation peak intensity graph

Fig. 2. Correlation spectra of biochars in 3 600~2 800 cm^-1 band
(a): Chicken manure biochar; (b): Cow dung biochar; (c): Pig manure biocharleft: synchronous spectrum; middle: asynchronous spectrum; right: auto-correlation peak intensity graph

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Fig. 3. Correlation spectra of biochars in 1 800~800 cm^-1 band
(a): Chicken manure biochar; (b): Cow dung biochar; (c): Pig manure biochar left: synchronous spectrum; middle: asynchronous spectrum; right: auto-correlation peak intensity graph

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Fig. 4. Variation in relative intensities of groups

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Φ(v₁,v₂)	Ψ(v₁,v₂)	规则
+	none	v₁, v₂变化趋势一致(同增或同减)
-	none	v₁, v₂变化趋势不一致
none	+ -	无法判断
+	+	v₁变化先于v₂
+	-	v₁变化晚于v₂
-	+	v₁变化晚于v₂
-	-	v₁变化先于v₂

Table 1. Noda’s rules for peaks analysis

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峰位置/cm^-1	基团归属	参考文献
3 415, 3 375, 3 350	醇、酚—OH
3 045	烯烃＝C—H	[20]
2 930	—CH₂反对称伸缩	[16]
1 705, 1 655, 1 614, 1 605	C＝O	[8]
1 448, 1 440, 1 434	C＝C	[16]
1 380	COO^-	[21]
1 265, 1 235	羧酸C—OH	[17]
1 108, 1 085, 1 045, 1 038	多糖C—O或Si—O	[17-18]
976, 965, 957	P—O/C—H	[22]
880	C—H	[16]

Table 3. Group identification of biochar peak

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