What absorbs at 2023 cm⁻¹ in an FTIR spectrum?
A band near 2023 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 7 cited sources
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
Xếp hạng phản ánh bằng chứng tài liệu tích lũy, không phải một quy tắc duy nhất có thẩm quyền. Luôn xác nhận với ngữ cảnh mẫu của bạn.
Tài liệu tham khảo đằng sau các gán này
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Hydroxyl (O-H) độ tin cậy 1,0
“The first evident difference in the IR spectra of artificial weathered PE, PP, and PS compared to the raw materials is the alteration of the region relative to the OH stretching Polymers 2023, 15, x FOR PEER REVIEW 5 of 16 Polymers 2023, 15”
Campanale 等 - 2023 - Fourier Transform Infrared Spectroscopy to Assess DOI: 10.3390/polym15040911 -
Alkyl C-H độ tin cậy 1,0
“Strong primary OH stretching can be seen in peaks measuring 3342 cm-1, while C-H stretching in methyl and methylene groups can be seen in peaks Forests2023,14,569 7of12 measuring 2800 to 3000 cm-1.”
Can 等 - 2023 - Choline Chloride-Based Deep Eutectic Solvent-Treat DOI: 10.3390/f14030569 -
độ tin cậy 1,0
“UV-Vis Spectroscopy The UV-Vis spectrograph of calcium oxide nanoparticles showed an absorbance peak Materials 2023, 16, x FOR PEER REVIEW 9 of 21”
Biosynthesis and Characterization of Calcium Oxide Nanoparticles from Citrullus colocynthis Fruit Extracts; Their Biocompatibility and Bioactivities DOI: 10.3390/ma16072768 -
Hydroxyl (O-H) độ tin cậy 1,0
“The strong, broad peaks occurring at 3283.18 in the leaf spectra cm-1 and at 3318.91 in the stem spectra corresponded to the O-H (stretching) functional Plants2023,12,1702”
Phytochemical Composition of Combretum molle (R. Br. ex G. Don.) Engl. & Diels Leaf and Stem Extracts DOI: 10.3390/plants12081702 -
độ tin cậy 1,0
“(2021) managed to generate maximum PD peaks Sustainability2023,15,7316”
Impact of Dragon Fruit Waste in Microbial Fuel Cells to Generate Friendly Electric Energy DOI: 10.3390/su15097316 -
Alkyl C-H độ tin cậy 1,0
“10.3389/fevo.2023.1096099 cm-1 important sources of proteins (Ueda and Tanaka, 1994), but they The increases of C-H peaks at ~2930/2850 could come from could be rapidly destroyed by bacteria, fungi, oxidation and hydrolysis, hydrolytic degr”
Influence of common palynological extraction treatments on ultraviolet absorbing compounds (UACs) in sub-fossil pollen and spores observed in FTIR spectra DOI: 10.3389/fevo.2023.1096099 -
Alkyl C-H độ tin cậy 1,0
“Sci.2023,24,2630 8of28 C-H stretching, and C-H bending) increased and became sharper with the increase in the linker content of the cellulose materials.”
Application of Vibrational Spectroscopic Techniques in the Study of the Natural Polysaccharides and Their Cross-Linking Process DOI: 10.3390/ijms24032630
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