Sulfur — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Sulfur tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
クイックアンサー
Sulfur is usually assigned by looking for a recurring cluster of characteristic peaks rather than one exact textbook number. The table below shows where the literature most often places this group in FTIR, ranked by accumulated evidence.
Characteristic FTIR peaks for Sulfur
| 波数 (cm⁻¹) | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| 1635 | 1 | 1 | 1.0 |
| 725 | 1 | 1 | 1.0 |
| 715 | 1 | 1 | 1.0 |
| 2159 | 1 | 1 | 1.0 |
| 1238 | 1 | 1 | 1.0 |
| 1000 | 1 | 1 | 1.0 |
| 2061 | 1 | 1 | 1.0 |
| 1075 | 1 | 1 | 1.0 |
| 1695 | 1 | 1 | 1.0 |
| 1175 | 1 | 1 | 1.0 |
| 500 | 1 | 1 | 1.0 |
| 2550 | 1 | 1 | 1.0 |
| 429 | 1 | 1 | 1.0 |
| 2556 | 1 | 1 | 1.0 |
| 1230 | 1 | 1 | 1.0 |
| 403 | 1 | 1 | 1.0 |
| 2585 | 1 | 1 | 1.0 |
| 1010 | 1 | 1 | 1.0 |
| 798 | 1 | 1 | 1.0 |
| 848 | 1 | 1 | 1.0 |
| 1598 | 1 | 1 | 1.0 |
| 2095 | 1 | 1 | 0.95 |
| 2870 | 1 | 1 | 0.9 |
| 644 | 1 | 1 | 0.9 |
| 1654 | 1 | 1 | 0.8 |
| 1614 | 1 | 1 | 0.8 |
| 471 | 1 | 1 | 0.8 |
| 532 | 1 | 1 | 0.8 |
| 517 | 1 | 1 | 0.8 |
| 780 | 1 | 1 | 0.8 |
Showing the 30 best-supported peaks of 36 total for Sulfur.
スペクトルロジック
複数の期待されるバンドが一緒に現れると、官能基の割り当ての信頼性が高まります。このページを使用して、最も強く支持されているピークを見つけ、同じサンプルが単一の孤立したヒットではなく一貫したパターンを示すことを確認してください。
実使用例
これらのページは、未知材料分析、レポート内のピーク説明、ポリマートラブルシューティング、および候補材料ファミリーが化学的に妥当かどうかの検証に役立ちます。
よくある間違い
- スペクトルの残りを確認せずに、1つの官能基ページを完全な材料判定として使用すること。
- 最も強いバンドが常に最も診断的であると仮定しています。
- 加工、添加剤、経年変化、混合物が予想されるピークをシフトまたはブロードにする可能性があることを忘れている。
検証アドバイス
DSC、GC-MS、またはTGAを使用してください。複数の材料ファミリーが類似したバンドを共有する場合や、混合物の影響でFTIRの帰属が不確かな場合に適しています。
これらのアサインの根拠となる文献
-
1598 cm⁻¹ 信頼度 1.0
“The peaks at 1598 and on both with binding energy 168.5eV, which is attributed to sulfur”
Li 和 Mu - 2005 - The electrochemical activity of sulfonic acid ring DOI: 10.1016/j.synthmet.2004.12.015 -
848 cm⁻¹ 信頼度 1.0
“Characteristic peak for sulfur detected in co-doped diamond.”
Li 等 - 2017 - Synthesis of n-type semiconductor diamond single c DOI: 10.1088/1757-899X/274/1/012131 -
798 cm⁻¹ 信頼度 1.0
“The peak around carbon-oxygen bonds in these structures which is mendisplacement occurred for the one at 798 cm -1 730 cm could be attributed to carbon-sulfur stretching vibration.”
A case study of poly (aryl ether sulfone) hemodialysis membrane interactions with human blood: Molecular dynamics simulation and experimental analyses DOI: 10.1016/j.cmpb.2020.105742 -
2585 cm⁻¹ 信頼度 1.0
“Another reduced peak was at the wavenumber of The maximum adsorption capacity was calculated using the UT 2585cm-1 which showed that sulfur groups were also responsible for 175 Y.”
Nemati 等 - 2019 - Microfluidics combined with ionic gelation method DOI: 10.1016/j.jenvman.2019.02.124 -
403 cm⁻¹ 信頼度 1.0
“This hypothesis is supported by the boiling The sequence of the next three exothermic peaks with maxima at 403 440 and ◦C 465 was associated with the vaporization of the gas mixture resulting from thermal point of sulfur being 444.6 °C [37-”
Photodegradation of Azathioprine in the Presence of Sodium Thiosulfate DOI: 10.3390/ijms23073975 -
1230 cm⁻¹ 信頼度 1.0
“keratin;14 the sharper peak at 1230 indicates 20(cid:2) of the down powder is other hand, the peak at some changes in sulfur-containing groups during lower and blunter than that of the down fiber, and the milling process.”
Xu 等 - 2009 - Characterization of Superfine Down Powder DOI: 10.1002/app.29205 -
2556 cm⁻¹ 信頼度 1.0
“cm-1 peak at about 2556.2 turns to be round, showing Attributing to the lone pair electrons in sulfur atom, the lone”
Specific interaction between fluorine atoms and thiol groups accounting for higher domain purity and photostability in narrowband BHJ systems DOI: 10.1002/polb.24849 -
429 cm⁻¹ 信頼度 1.0
“4 cm-1 429 band is related to the vibration of two tetrahedra (e) Geprop 3 that are connected through bridging sulfur at the corner cm-1 and the 376 is a companion band regarded to the tetrahedra.29 vibration of two edge-shared The bands 14”
De Salvi 等 - 2015 - New Flexible and Transparent Solution-Based German DOI: 10.5935/0103-5053.20150065
See Sulfur in your own spectrum
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