What absorbs at 3431 cm⁻¹ in an FTIR spectrum?
A band near 3431 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
Penetapan kumpulan berfungsi yang mungkin
| Kumpulan berfungsi | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1.0 |
| N h | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
Pemeringkatan mencerminkan bukti literatur terkumpul, bukan satu peraturan berwibawa. Sentiasa sahkan terhadap konteks sampel anda.
Literatur di sebalik penetapan ini
-
Hydroxyl (O-H) keyakinan 1.0
“Explicit assignment in text”
Babu 等 - 2022 - Antibacterial, Antioxidant, Larvicidal and Antican DOI: 10.3390/Shikun -
Hydroxyl (O-H) keyakinan 0.95
“Explicit assignment: 'band at 3430.6 cm-1 assigned O-H stretching'”
Bhateja 等 - 2020 - Amelioration of Diabetes mellitus by modulation of DOI: 10.1016/j.jaim.2019.06.003 -
keyakinan 0.9
“indicates presence of O-H stretch”
Zhang 等 - 2013 - Synthesis and Characterization of Bi2Al4O9 Powders DOI: 10.4028/www.scientific.net/AMR.624.34 -
Carbonyl (C=O) keyakinan 0.9
“Explicit assignment in text.”
Chatterjee 等 - 2019 - Dual-responsive (pHtemperature) Pluronic F-127 hy DOI: 10.1038/s41598-019-48254-6 -
Hydroxyl (O-H) keyakinan 0.9
“Explicit assignment: '3431 ... correspond to -OH'.”
Molaei - 2022 - Gadolinium-doped fluorescent carbon quantum dots a DOI: 10.1038/s41598-022-22518-0 -
N h keyakinan 0.9
“Explicit assignment in text”
Xu 等 - 2013 - The effect of surface functional groups of nanosil DOI: 10.2478/pjct-2013-0039 -
Hydroxyl (O-H) keyakinan 0.9
“Attributed to O-H stretching.”
Yin 等 - 2023 - Efficient Removal of Heavy Metals from Aqueous Sol DOI: 10.3390/gels9070559
Ada spektrum dengan jalur ini?
Muat naik spektrum FTIR anda dan dapatkan laporan tafsiran penuh — penetapan puncak dengan petikan literatur, padanan perpustakaan, dan rantaian bukti berkadar keyakinan — dalam beberapa saat.
Tafsir spektrum saya