What absorbs at 466 cm⁻¹ in an FTIR spectrum?

クイックアンサー

A band near 466 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.

可能性のある官能基アサイン

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可能性のある材料

同じ文献プールがこのバンドと少なくとも1つの追加の特性ピークをサポートする場合にのみ、材料が表示されます。

スペクトルロジック

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

実使用例

この種のクエリは、ポリマー識別、未知のプラスチックスクリーニング、QCトラブルシューティング、リサイクル材料の検証、および文献に基づいたピーク帰属のレビューで一般的です。

よくある間違い

• 少なくとも1～2つの支持ピークを確認せずに、1つの孤立したバンドを材料の証拠として扱うこと。
• 重複を無視: 複数の官能基が同じ波数付近に寄与することがあります。
• 添加剤、ブレンド、酸化、または汚染がスペクトルを歪める可能性がある場合に検証を省略すること。

検証アドバイス

曖昧さが残る場合は、特にブレンド、劣化サンプル、充填ポリマーについて、DSC、GC-MS、またはTGAで仮説を検証してください。

これらのアサインの根拠となる文献

• 信頼度 1.0

  “The [18] located the spectra region at 466 cm-1 and attributed it to the Ti-C vibration.”

  Effect of Microstructural and Tribological Behaviors of Sputtered Titanium Carbide Thin Film on Copper Substrate DOI: 10.3390/ma16010174
• Hydroxyl (O-H) 信頼度 1.0

  “465 PC1, PCB1), (P, PC2, PCB2), (P, PC3, PCB3) and (P, OPS, MRP, RF) predominantly showed 466 characteristic peaks of vibrationally active chemical groups those likely corresponding to hydroxyl USC (cm-1).”

  Evaluation of structural integrity and functionality of commercial pectin based edible films incorporated with corn flour, beetroot, orange peel, muesli and rice flour DOI: 10.1016/j.foodhyd.2019.01.022
• Silicon (Si) 信頼度 1.0

  “The absorption bands of RHA at cm-1 cm-1 466 is ascribed to Si-O distortion, 800 corresponds to Si-O bending, and Si-O-Si stretching appeared cm23.”

  Rice husk derived Aminated Silica for the efficient adsorption of different gases DOI: 10.1038/s41598-020-76460-0
• 信頼度 1.0

  “The absorption peak at 795 was documented in the Si-O-Si group, cm-1 and the detected peak was 466 in the Si-O-Si group [51,52].”

  Sustainable Remedy Waste to Generate SiO2 Functionalized on Graphene Oxide for Removal of U(VI) Ions DOI: 10.3390/su14052699
• Silicon-oxygen (Si-O) 信頼度 1.0

  “The absorption bands at 1097, 1037, 802 and 774 on cm-1 the IR spectra of RHA and WG are assigned to the O-Si-O in the SiO tetrahedron and the band at 466 is”

  Lancellotti 等 - 2015 - Geopolymers An option for the valorization of inc DOI: 10.1016/j.ceramint.2014.10.008
• Silicon-oxygen (Si-O) 信頼度 1.0

  “The bands at around 466 cm-1 for FA-1 and FA-2 are connected with the bending vibrations of O-Si-O present in the silicate tetrahedron [31].”

  Structural Characterizations of Aluminosilicates in Two Types of Fly Ash Samples from Shanxi Province, North China DOI: 10.3390/min9060358
• 信頼度 1.0

  “The Al-O-Si bending band appeared at 520 cm-1 and Si-O-Si bending at 466 cm-1 [63].”

  The Antimicrobial Properties of Modified Pharmaceutical Bentonite with Zinc and Copper DOI: 10.3390/pharmaceutics13081190
• 信頼度 1.0

  “For the test sample, unlike the samples from the calibration set, the Si-O (SiO 2) strain cm-1 vibration absorption band at 466 was noted, which also corresponds to a relatively”

  Identification of the Elemental Composition of Granulated Blast Furnace Slag by FTIR-Spectroscopy and Chemometrics DOI: 10.3390/pr10112166