What absorbs at 598 cm⁻¹ in an FTIR spectrum?
A band near 598 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 8 cited sources
Jawapan pantas
A band near 598 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
Penetapan kumpulan berfungsi yang mungkin
| Kumpulan berfungsi | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| Metal oxygen | 5 | 4 | 1.0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 0.8 |
Pemeringkatan mencerminkan bukti literatur terkumpul, bukan satu peraturan berwibawa. Sentiasa sahkan terhadap konteks sampel anda.
Bahan yang mungkin
| Bahan | Puncak sokongan | Kumpulan bertindih | Sumber dipetik |
|---|---|---|---|
| alumina | 598, 460, 1000 | Metal oxygen, Hydroxyl (O-H), Siloxane (Si-O-Si) | 1 |
| nanoparticles | 598, 1732, 1647 | Hydroxyl (O-H), Metal oxygen, Amide | 1 |
Bahan hanya dipaparkan apabila kumpulan literatur yang sama menyokong jalur ini dan sekurang-kurangnya satu puncak ciri tambahan.
Logik spektrum
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 598 cm⁻¹ is usually not enough for material identification by itself.
Penggunaan dunia sebenar
Jenis pertanyaan ini biasa dalam pengenalpastian polimer, saringan plastik tidak diketahui, penyelesaian masalah QC, pengesahan bahan kitar semula, dan semakan tugasan puncak yang disokong oleh literatur.
Kesilapan biasa
- Menganggap satu jalur terpencil sebagai bukti bahan tanpa memeriksa sekurang-kurangnya satu atau dua puncak sokongan.
- Mengabaikan pertindihan: pelbagai kumpulan berfungsi boleh menyumbang berhampiran nombor gelombang yang sama.
- Melangkau pengesahan apabila bahan tambahan, campuran, pengoksidaan, atau pencemaran boleh memesongkan spektrum.
Nasihat pengesahan
Apabila kekaburan masih ada, sahkan hipotesis dengan DSC, GC-MS, atau TGA, terutamanya untuk campuran, sampel terdegradasi, dan polimer terisi.
Literatur di sebalik penetapan ini
-
Metal oxygen keyakinan 1.0
“LLM confirmed rule peak-group candidate”
Effect of alumina on the performance and characterization of cross-linked PVA / PEG 600 blended membranes for CO2/N2 separation DOI: 10.1016/j.seppur.2018.08.026 -
keyakinan 1.0
“In the spectra of WFD (Figure 7a), the peaks at 992, 776, and 693 cm-1 were attributed to Si-O stretching vibration bands, whereas the peaks at 598 cm-1 corresponded to F-O bond stretching.”
Kim 等 - 2022 - Removal of Methyl Red from Aqueous Solution Using DOI: 10.3390/ijerph19159030 -
Alkyl C-H keyakinan 1.0
“Peaks at (741,697 cm-1) and (598 cm-1) corresponds to CH bending and C-OH bending respectively.”
Kumar 等 - 2021 - Centella asiatica mediated facile green synthesis DOI: 10.1016/j.inoche.2021.108865 -
Hydroxyl (O-H) keyakinan 1.0
“3617cm-1 300cm-1 ItcanbenotedthatD-exchangeaffectssomebandswhich positions was taken as [28] and [26], reveal very subtle temperature changes, for example at 906, respectively, as for the OH band of t-butanol in CCl diluted 4 598cm-1 824, 7”
Rozenberg 等 - 2005 - Low-temperature FTIR spectra and hydrogen bonds in DOI: 10.1016/j.saa.2004.05.024 -
Amide keyakinan 1.0
“cm-1 cm-1 band at 1541 and amide III band at Peaks at 598 and 554 are from ACCEPTED MANUSCRIPT out-of-plain bending of C-H groups.”
Wei 等 - 2018 - Enhanced chemical and spatial recognition of fish DOI: 10.1016/j.saa.2018.07.031 -
keyakinan 1.0
“On the other hand, vibration peaks 2 vibration peaks for Cu-O and Fe-O bonds were observed at wave numbers of about 456 and for Cu-O and Fe-O bonds were observed at wave numbers of about 456 and 598 cm-1, cm-1, 598 respectively, which confi”
Sustainable Cauliflower-Patterned CuFe2O4 Electrode Production from Chalcopyrite for Supercapacitor Applications DOI: 10.3390/nano13061105 -
Siloxane (Si-O-Si) keyakinan 1.0
“Again, the integration of shell nacre was confirmed by the shift in siloxane peaks at 598, 846, 1008, and integration of shell nacre was confirmed by the shift in siloxane peaks at 598, 846, 1008,”
Wilson 和 Pampadykandathil - 2023 - Novel Bone Void Filling Cement Compositions Based DOI: 10.3390/bioengineering10070752 -
Metal oxygen keyakinan 0.95
“Explicit assignment: metal-oxygen stretching vibrations of hexagonal ferrites.”
Role of Nd-Ni on structural, spectral and dielectric properties of strontium-barium based nano-sized X-type ferrites DOI: 10.1016/j.ceramint.2017.11.049
Ada spektrum dengan jalur ini?
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