What absorbs at 1194 cm⁻¹ in an FTIR spectrum?

快速回答

A band near 1194 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.

可能的官能基指派

排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。

可能的材料

僅當同一文獻庫支援此波段以及至少一個額外特徵峰時，才會顯示材料。

光譜邏輯

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 1194 cm⁻¹ is usually not enough for material identification by itself.

實際使用

此類查詢常見於聚合物鑑別、未知塑膠篩選、品管故障排除、再生材料驗證，以及基於文獻的峰值歸屬審查。

常見錯誤

• 將一個孤立的譜帶視為材料的證據，而未檢查至少一兩個支持峰。
• 忽略重疊：多個官能團可能在相同波數附近貢獻。
• 當添加劑、混合物、氧化或污染物可能扭曲譜圖時，跳過驗證。

驗證建議

當仍然存在歧義時，使用DSC、GC-MS或TGA驗證假設，特別是對於混合物、降解樣品和填充聚合物。

這些指派背後的文獻

• N-O bond 信心 1.0

  “28 cm(cid:1)1 OMO-100, the peak at 1194 represents the stretching of licensed on Specication Sl no.”

  Evaluation of the performance and emission and spectroscopic analysis of an improved soy methyl ester DOI: 10.1039/c9ra04342j
• Acetate 信心 1.0

  “In this spectrum, the sharp peak at 1194.43 is assigned to C-O-B stretching vibration, which confirmed the formation of crosslinking of PVA with BA [49, 50].”

  Sprayed in-situ synthesis of Polyvinyl alcohol/Chitosan loaded Silver nanocomposite hydrogel for improved antibacterial effects DOI: 10.1016/j.ijbiomac.2019.09.186
• Acetate 信心 1.0

  “FTIR spectroscopy peak absorbance in 1732.81 who is the peak absor- @ bance of carbonyl bond (C O) and two peaks absorbance cm(cid:2)1 m The chemical structure of bitumen is complex and bituof stretching vibration (1193.61 for and”

  Li 等 - 2008 - The research of GMA-g-LDPE modified Qinhuangdao bi DOI: 10.1016/j.conbuildmat.2007.03.007
• Phosphate (PO4) 信心 1.0

  “0 :2 6 Symmetric stretching vibrations of non-bridging ~ 1194 (Q2) oxygens O-P-O (Q2) ~ 1266 Symmetric stretching vibrations of P=O (Q2) ~ 1388 Asymmetric stretching vibrations of P=O”

  Andronache 和 Racolta - 2014 - Structural Investigation of MO center dot P2O5 cen DOI: 10.1063/1.4903024
• Phosphate (PO4) 信心 1.0

  “LLM confirmed rule peak-group candidate”

  Dai 等 - 2020 - Effects of a Reactive Phosphorus-Sulfur Containing DOI: 10.3390/polym12071441
• 信心 1.0

  “the peaks at cm-1 cm-1 cm-1 1194 and 1163 for aromatic C-N stretching vibrations.”

  Unveiling the role of novel biogenic functionalized CuFe hybrid nanocomposites in boosting anticancer, antimicrobial and biosorption activities DOI: 10.1038/s41598-021-87363-z
• Acetate 信心 1.0

  “spectra have a C-H bond/wavelength with length ranging from 2800 to 3000 In cm-1 D50::S70:M30, and D50::S80:M20, the peak reported at 1194 is due to the stretching of O-CH 3, which is a trace of FAME.”

  Hasnain 等 - 2023 - Performance, Emission, and Spectroscopic Analysis DOI: 10.3390/su15097415
• Acetate 信心 1.0

  “All three cm-1 cm-1 azo compounds exhibit a specific peak at 1194 (Mono_A) and 1190 (Di_A C-O and Tris_A) corresponding to the band stretching phenol.”

  Synthesis, Characterization, DFT Study and Antifungal Activities of Some Novel 2-(Phenyldiazenyl)phenol Based Azo Dyes DOI: 10.3390/ma15228162