What absorbs at 601 cm⁻¹ in an FTIR spectrum?
A band near 601 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 601 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 |
|---|---|---|---|
| Phosphate (PO4) | 6 | 6 | 1.0 |
| Metal oxygen | 3 | 3 | 1.0 |
| Phosphorus | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 0.7 |
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 |
|---|---|---|---|
| TiO2 | 601, 1700, 1093 | Metal oxygen, Alkyl C-H | 1 |
| PVA | 601, 1660, 2930 | Alkyl C-H | 1 |
| hematite | 601, 1030, 469 | Phosphate (PO4), Metal oxygen | 1 |
| kaolinite | 601, 3696, 693 | Metal oxygen, Phosphate (PO4) | 1 |
| apatite | 601, 3053, 1640 | Phosphate (PO4), Phosphorus, Alkyl C-H | 1 |
| ZnO | 601, 1400, 3430 | Metal oxygen, Alkyl C-H | 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 601 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
“In addition, v O-P-O bending bands of HA 4 cm-1 cm-1 (601 [8]) and β-TCP (594 [8]) also tends to decrease with manganese addition of 2 mol% 4+ up to 15 mol%.”
Natasha 等 - 2008 - Fourier transform infrared study on sol-gel derive DOI: 10.4028/www.scientific.net/AMR.47-50.1185 -
Metal oxygen keyakinan 1.0
“Other bands around 847 1 601cm-1 cm-1 and belong to the asymmetric stretching of Ti-O-Ti groups.”
Sathish 等 - 2013 - Nano Composite PVA-TiO2 Thin Films for OTFTs DOI: 10.4028/www.scientific.net/AMR.678.335 -
keyakinan 1.0
“cm-1, spectra of green-synthesized ZnO NPs revealed absorption bands at 601 and 496 FTIR spectra of green-synthesized ZnO NPs revealed absorption bands at 601 and 496 which is a characteristic of the Zn-O connection, which was identified, i”
Green Fabrication of Zinc Oxide Nanoparticles Using Phlomis Leaf Extract: Characterization and In Vitro Evaluation of Cytotoxicity and Antibacterial Properties DOI: 10.3390/molecules26206140 -
Phosphate (PO4) keyakinan 1.0
“The characteristic bands for PO appear at 601 1050 and 1089 The 43cm-1as bands at 1050 a distinguishable peak, together with observation of the asymmetric P-O stretching of the PO”
Asmi 等 - 2016 - Synthesis and Characterisation of Composite based DOI: 10.1063/1.4945463 -
Phosphate (PO4) keyakinan 1.0
“The doublet at 601 and 570 cm-1 is due to phosphate bending cm-1, cm-1, at 1090 and 1040 as well as the shoulder at 960 are due to asymmetric and symmetric modes and the sharp peaks at 3573 and 632 cm-1 are assigned to stretching and waggin”
Zirconia/Hydroxyapatite Composites Synthesized Via Sol-Gel: Influence of Hydroxyapatite Content and Heating on Their Biological Properties DOI: 10.3390/ma10070757 -
Alkyl C-H keyakinan 1.0
“bending vibration bands were recognized at 601 and 477cm-1 The stretching mode energy responds to variations in unit [35], the bending of C-H was observed at 875 cm-1 cell volume via two mechanisms: shifts in bond length and [36].”
Ismail 等 - 2023 - The role of nanoparticles inclusion in monitoring DOI: 10.1007/s41779-023-00836-4 -
Phosphate (PO4) keyakinan 1.0
“4 1 bending mode of O-P-O bond), 601 cm-1 (ν4 bending mode of O-P-O bond), 957 cm-1 (ν1 symmetric cm-1 (ν mode of P-O bond), and 1033 asymmetric stretching mode of P-O).”
Ma 等 - 2019 - Investigation of the Optical, Physical, and Chemic DOI: 10.3390/su11143803 -
Phosphate (PO4) keyakinan 0.9
“v2v4(PO4) band”
Novel contribution on the diagenetic physicochemical features of bone and teeth minerals, as substrates for ancient DNA typing DOI: 10.1007/s00216-014-7863-z
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