What absorbs at 3343 cm⁻¹ in an FTIR spectrum?
Et bånd nær 3343 cm⁻¹ kan peke på flere funksjonelle grupper. Nedenfor er de mest sannsynlige tildelingene, rangert etter hvor mye publiserte bevis som støtter hver — hver enkelt sporbar til litteratur (DOI) og kryssvalidert mot våre 130 000+ referansespektre og kunnskapsgraf.
Backed by 7 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 5 | 1.0 |
| S eq o | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Hydroxyl (O-H) konfidens 1.0
“LLM confirmed rule peak-group candidate”
Preparation and characterization of irradiated carboxymethyl sago starch-acid hydrogel and its application as metal scavenger in aqueous solution DOI: 10.1016/j.carbpol.2015.11.028 -
Hydroxyl (O-H) konfidens 1.0
“theoriginoftheobservednormalmodesofvibration.The stretching mode from 3304 of the boronic acid O-H cm-1 DFT model of glucose bound to PBA does not predict a component of PBA to 3343 of the stretching cm-1.”
Brewer 等 - 2004 - Infrared detection of a phenylboronic acid termina DOI: 10.1021/la035037m -
Carbohydrate konfidens 1.0
“3343cm-1 2892cm-1 2y¼15(cid:2) untreated samples shows three distinct peaks at (cellulose I) to (cela peak shift at (10(cid:2) 17(cid:2) lulose II)-related gOH.”
Khajavi 等 - 2013 - Alkali treatment of cotton yarns with ultrasonic b DOI: 10.1177/0040517512467077 -
Hydroxyl (O-H) konfidens 1.0
“first, an O-H band at 3343 corresponding to phenolic groups from the extract, was observed.”
Synthesis and Catalytic Evaluation of Silver Nanoparticles Synthesized with Aloysia triphylla Leaf Extract DOI: 10.1007/s10876-016-1062-3 -
S eq o konfidens 1.0
“Any abrupt or drastic change in the 2 cm-1, amine at 3343.3 S=O stretching asymmetric band thermal behavior of rather the drug or polymer may”
Jelvehgari 等 - 2015 - Experimental Design to Predict Process Variables i DOI: 10.15171/apb.2015.033 -
Hydroxyl (O-H) konfidens 1.0
“LLM confirmed rule peak-group candidate”
Li 等 - 2023 - Effect of Furfurylation on Bamboo-Scrimber Composi DOI: 10.3390/ma16072931 -
Hydroxyl (O-H) konfidens 1.0
“On the from the ground physical mixture shows the other hand, the appearance of the peaks at cm-1 cm-1 cm-1 following peaks: at 3422.33 characteristic of as well as the one at 1620.31 3422.33 cm-1 free OH bonds, a very small peak at 3342.92”
Meltzer 等 - 2021 - PHYSICO-CHEMICAL CHARACTERIZATION OF SOLID STATE R DOI: 10.33224/rrch.2021.66.3.07
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