Thiol — FTIR-absorptions-toppe og tildelinger
Dette er de karakteristiske FTIR-bølgetal, hvor Thiol har tendens til at absorbere, samlet fra publiceret litteratur og rangeret efter understøttende bevis. Hver tildeling kan spores til en kilde (DOI) og krydsvalideres mod vores 130.000+ referencespektre og vidensgraf.
Backed by 8 cited sources
Hurtigt svar
Thiol tildeles normalt ved at lede efter en tilbagevendende klynge af karakteristiske toppe frem for et præcist lærebogsnummer. Tabellen nedenfor viser, hvor litteraturen oftest placerer denne gruppe i FTIR, rangeret efter akkumuleret evidens.
Karakteristiske FTIR-toppe for Thiol
| Bølgetal (cm⁻¹) | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| 2550 | 7 | 5 | 1,0 |
| 2570 | 5 | 5 | 1,0 |
| 2560 | 4 | 3 | 1,0 |
| 2573 | 3 | 2 | 1,0 |
| 1000 | 2 | 2 | 1,0 |
| 2600 | 2 | 2 | 1,0 |
| 2770 | 2 | 2 | 1,0 |
| 2929 | 2 | 2 | 1,0 |
| 980 | 2 | 2 | 1,0 |
| 800 | 2 | 2 | 1,0 |
| 970 | 2 | 2 | 1,0 |
| 2545 | 2 | 2 | 1,0 |
| 2532 | 2 | 1 | 1,0 |
| 670 | 2 | 1 | 1,0 |
| 2565 | 2 | 1 | 1,0 |
| 2360 | 2 | 1 | 1,0 |
| 2554 | 1 | 1 | 1,0 |
| 2359 | 1 | 1 | 1,0 |
| 2255 | 1 | 1 | 1,0 |
| 1735 | 1 | 1 | 1,0 |
| 3274 | 1 | 1 | 1,0 |
| 2664 | 1 | 1 | 1,0 |
| 668 | 1 | 1 | 1,0 |
| 2335 | 1 | 1 | 1,0 |
| 1022 | 1 | 1 | 1,0 |
| 1020 | 1 | 1 | 1,0 |
| 1044 | 1 | 1 | 1,0 |
| 1160 | 1 | 1 | 1,0 |
| 1101 | 1 | 1 | 1,0 |
| 1717 | 1 | 1 | 1,0 |
Viser de 30 bedst understøttede toppe ud af 113 i alt for Thiol.
Mulige materialer
Spektrumlogik
En funktionel gruppetildeling bliver mere sikker, når flere forventede bånd optræder sammen. Brug denne side til at finde de bedst understøttede peaks, og bekræft derefter, at den samme prøve udviser et sammenhængende mønster snarere end et enkelt isoleret hit.
Anvendelse i virkeligheden
Disse sider er nyttige til analyse af ukendte materialer, topforklaring i rapporter, polymerfejlfinding og verifikation af, om en kandidatmaterialefamilie er kemisk plausibel.
Almindelige fejl
- Brug af én funktionel-gruppe-side som en komplet materialebedømmelse uden at kontrollere resten af spektret.
- Antager, at det stærkeste bånd altid er det mest diagnostiske.
- At glemme, at forarbejdning, tilsætningsstoffer, ældning og blandinger kan flytte eller udvide forventede toppe.
Verifikationsrådgivning
Brug DSC, GC-MS eller TGA, når flere materialefamilier deler lignende bånd, eller når blandings-effekter gør FTIR-tildelingen usikker.
Litteratur bag disse tildelinger
-
980 cm⁻¹ tillid 1,0
“The appearance of new peaks around 975-985 and Accepted 1 May 2011 of cement paste has been attributed to the formation of two principal hydration products (C-S-H) and Available online 13 May 2011 2,respectively.Thereisastrongresemblanceofp”
Theoretical and experimental study of structures and properties of cement paste The nanostructural aspects of C–S–H DOI: 10.1016/j.jpcs.2011.05.001 -
2043 cm⁻¹ tillid 1,0
“The new intense and strong peak that emerged at 2043 cm-1 is related to aromatic SH+ 4+ As one of four in the tetrahedral NH connected to the nitrogen atom is weakly bound, H+ C = n stretching of SCNof the salt, while its intensity is shift”
Characteristics of a Plasticized PVA-Based Polymer Electrolyte Membrane and H+ Conductor for an Electrical Double-Layer Capacitor: Structural, Morphological, and Ion Transport Properties DOI: 10.3390/membranes -
2360 cm⁻¹ tillid 1,0
“The medium doublet bands around 2360 revealed the typical S-H stretching of L-cysteine amino acid, which suggested the possible”
Mesoporous magnetite nanoparticles synthesis using the Peltophorum pterocarpum pod extract, their antibacterial efficacy against pathogens and ability to remove a pollutant dye DOI: 10.1016/j.molstruc.2018.10.042 -
2856 cm⁻¹ tillid 1,0
“The spectrometer was Fe3+ 2122 blanked with air at room temperature for the raw samples or with a 2550-2590 Cys S-H stretch 2856 Methylene C-H stretch clean piece of the white cotton T-shirt or white copier paper for 2920”
Elkins - 2011 - Rapid Presumptive Fingerprinting of Body Fluids DOI: 10.1111/j.1556-4029.2011.01870.x -
470 cm⁻¹ tillid 1,0
“The second silicate bands are 4 cm-1 in C-S-H broadly characterized as O-Si-O deformation or bending modes, which occur near 451 470cm-1 cm-1 667cm-1 and in C-A-S-H and the band 663 or is due to Si-O-Si bending vibrations.”
He 等 - 2011 - Morphology and Structure of Aluminum Substituted C DOI: 10.4028/www.scientific.net/AMR.287-290.1193 -
3416 cm⁻¹ tillid 1,0
“LLM confirmed rule peak-group candidate”
Ibrahim 等 - 2022 - Effect of Ammonium Sulfide on Sulfidization Flotat DOI: 10.3390/min12101193 -
1711 cm⁻¹ tillid 1,0
“Spectrum of TAX cc cm-1 shows prominent peaks at 1711,2516 and 1031 which is assigned to Ester (C = O) linkage, A -SH stretching and C-O-C bond.”
Ijaz 等 - 2019 - Thiolation of arabinoxylan and its application in DOI: 10.1080/03639045.2019.1569041 -
2545 cm⁻¹ tillid 1,0
“Disappearance of thiol stretching peak indicates binding”
Ismail 等 - 2016 - Synthesis, Characterization and DNA Cleavage of Co DOI: 10.4314/tjpr.v15i3.23
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