What absorbs at 1213 cm⁻¹ in an FTIR spectrum?

빠른 답변

A band near 1213 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.

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가능한 재료

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스펙트럼 로직

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 1213 cm⁻¹ is usually not enough for material identification by itself.

실제 사용

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검증 조언

모호성이 남아 있는 경우, 특히 혼합물, 분해된 시료 및 충전 폴리머의 경우 DSC, GC-MS 또는 TGA로 가설을 검증하십시오.

이 할당의 배경이 되는 문헌

• Alkyl C-H 신뢰도 1.0

  “cm-1 and 1635 due to stretching vibrations of O-H group, the bands assigned at 3275 cmcm-1, - 1 the band at 2922 due to vibrations of C H stretching thee band at 1213 1062cm-1,482cm-1,576cm-1,1535cm-1arethefollowingvibrationsC-Ostretching,N”

  Bio-engineered TiO2 nanoparticles using Ledebouria revoluta extract: Larvicidal, histopathological, antibacterial and anticancer activity DOI: 10.1080/03067319.2020.1718668
• Silicon (Si) 신뢰도 1.0

  “While the absorption bands at wave numbers 1060.88 and 1213.27 cm-1 show the Si-O-Si asymmetrical vibrations.”

  Synthesis and catalytic activity of mesoporous Al-MCM-41/UiO-66 for esterification of oleic acid DOI: 10.1063/1.5082500
• Acetate 신뢰도 1.0

  “attached to the aromatic graphene network at 1409 the C-O (hydroxyl) stretching at 1601 cm-1 cm-1 the C-O (epoxy) stretching at 1040 and the C-O (phenolic) stretching at 1213 [18,30].”

  Preparation of Electrospun Nanocomposite Nanofibers of Polyaniline/Poly(methyl methacrylate) with Amino-Functionalized Graphene DOI: 10.3390/polym9090453
• Alkyl C-H 신뢰도 1.0

  “2 the dyslipidemic effect was dependent on the concentration L cm-1 ibrary and the CH asymmetric stretching band at 1213 2 of the statin used.”

  Comparison of the Effects of Statins on A549 Nonsmall‐Cell Lung Cancer Cell Line Lipids Using Fourier Transform Infrared Spectroscopy: Rosuvastatin Stands Out DOI: 10.1002/lipd.12296
• Acetate 신뢰도 1.0

  “Polymers 2023, 15, x FOR PEER REVIEW 12 of 15 1583 Aromaticringsvibration 1213 C-O/C-O-Cstretchingvibration”

  Enhancing Char Formation and Flame Retardancy of Ethylene-Vinyl Acetate Copolymer (EVA)/Aluminum Hydroxide (ATH) Composites by Grafting Ladder Phenyl/Vinyl Polysilsesquioxane (PhVPOSS) DOI: 10.3390/polym15153312
• Amide 신뢰도 1.0

  “1213 (stretching modes of C-N bonds);”

  ATR-FTIR Analysis of Orthodontic Invisalign® Aligners Subjected to Various In Vitro Aging Treatments DOI: 10.3390/ma14040818
• Carbohydrate 신뢰도 1.0

  “The peak at 1213 signifies hemicellulose vibration.”

  Shafiquzzaman 等 - 2022 - Sawdust Recycling in the Development of Permeable DOI: 10.3390/su141811115
• Acetate 신뢰도 1.0

  “A band at 1213 cm-1 belonged to the syringyl ring and C-O stretch in In the FTIR spectra of all samples studied, there are characteristic absorption bands of the aliphatic C-H bond at 2940 cm-1 and (less pronounced) at 2840 cm-1.”

  Formation of Humic-Like Substances during the Technological Process of Lignohumate® Synthesis as a Function of Time DOI: 10.3390/separations8070096