What absorbs at 2895 cm⁻¹ in an FTIR spectrum?
A band near 2895 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
Mga posibleng pagtatalaga ng functional-group
| Grupong functional | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| N-O bond | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Chitosan | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 0.9 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
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Chitosan kumpiyansa 1.0
“Similar peaks were also found in chitosan (3361cm-1, 2867cm-1), (3335cm-1, 2895cm-1) (3299cm-1, 2922cm-1 peanut shell and skin powder”
Meng 等 - 2020 - Effects of peanut shell and skin extracts on the a DOI: 10.1016/j.ijbiomac.2020.02.235 -
Hydroxyl (O-H) kumpiyansa 1.0
“ing (2895 H O H bending vibration of absorbed water”
Avila Ramirez 等 - 2014 - Surface esterification of cellulose nanofibers by DOI: 10.1016/j.carbpol.2014.08.020 -
Alkyl C-H kumpiyansa 1.0
“An additional strong peak was shown at 2895 1 due to the asymmetric stretching vibration of C-H of the pyranoid ring [36,37].”
Quality by Design (QbD) based process optimisation to develop functionalised particles with modified release properties using novel dry particle coating technique DOI: 10.1371/journal. -
Acetate kumpiyansa 1.0
“2 cm-1), cm-1), cm-1), 2895, and 2855 C=O stretching in esters (1750 C=C stretching (1660 cm-1), CH 2, and CH deformations (1460-1440 and 1305 and C-C and C-O stretching 3”
Assessment of Biotechnologically Important Filamentous Fungal Biomass by Fourier Transform Raman Spectroscopy DOI: 10.3390/ijms -
Alkyl C-H kumpiyansa 1.0
“While asymmetric and symmetric C-H stretching are attributed to the bands at 2895 and cm-1, 2927 respectively.”
An effective uranium removal using diversified synthesized cross-linked chitosan bis-aldehyde Schiff base derivatives from aqueous solutions DOI: 10.1007/s11356-022-23856-2 -
Hydroxyl (O-H) kumpiyansa 1.0
“3267 2887 1590 1406 1229 1009 , , and The absorption bands at 1367 3249cm-1 3600 3000 2400 1800 1200 600 in the FTIR spectra were due to O-H stretching (cm-1 2895cm-1 ) vibration of alcohol and phenol.”
Jemal 等 - 2017 - Synthesis, Characterization, and Evaluation of the DOI: 10.1155/2017/4213275 -
kumpiyansa 1.0
“de Carvalho Peaks at 2894.63 and 2919.7/cm is generally assigned to Mendes et al.”
Biofibres from biofuel industrial byproduct—Pongamia pinnata seed hull DOI: 10.1186/s40643-017-0144-x -
Alkyl C-H kumpiyansa 1.0
“The band at 2895 cm-1 corresponds to the elongation of the bond in CH, a”
Periquiteira (Cochlospermum orinocense): A Promising Amazon Fiber for Application in Composite Materials DOI: 10.3390/polym15092120
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