What absorbs at 1307 cm⁻¹ in an FTIR spectrum?

Stutt svar

A band near 1307 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.

Mögulegar úthlutun virkra hópa

Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.

Möguleg efni

Efni birtast aðeins þegar sama bókmenntasafn styður þessa band og að minnsta kosti einn viðbótar einkennandi hámark.

Rófrök

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 1307 cm⁻¹ is usually not enough for material identification by itself.

Raunveruleg notkun

Þessi tegund fyrirspurna er algeng við auðkenningu fjölliða, skimun óþekktra plasttegunda, bilanaleit í gæðaeftirliti, staðfestingu endurunnins efnis og bókmenntabakkaða endurskoðun á hápunktum.

Algeng mistök

• Meðhöndla eina einangraða öldulengd sem sönnun á efni án þess að athuga að minnsta kosti einn eða tvo stuðningstoppa.
• Hunsa skörun: mörg virkir hópar geta lagt sitt af mörkum nálægt sömu bylgjutölunni.
• Að sleppa staðfestingu þegar aukefni, blöndur, oxun eða mengun geta brenglað litrófið.

Staðfestingarráðgjöf

Þegar tvíræðni er eftir, staðfestu tilgátuna með DSC, GC-MS eða TGA, sérstaklega fyrir blöndur, niðurbrotin sýni og fylltar fjölliður.

Ritlist á bak við þessar úthlutanir

• C-O single bond öryggi 1,0

  “On the other hand, the characteristic IR Soluplus1 (C(cid:1)(cid:1)O ((cid:1)(cid:1)C(cid:1)(cid:1)O ring), absorption 1307 of acidic group), 1223 stretching, ether bands and their assignments for pure and Soluplus1are (C(cid:1)(cid:1)Cl) 3”

  Thermoanalytical and Fourier transform infrared spectral curve-fitting techniques used to investigate the amorphous indomethacin formation and its physical stability in Indomethacin-Soluplus® solid dispersions DOI: 10.1016/j.ijpharm.2015.10.042
• Amide öryggi 1,0

  “The peak at 1163 is because of the presence of thequinonoidring(N]Q]N)andthepeakat1307cm(cid:1)1isdue cm(cid:1)1 C-N to the stretching mode vibrations.”

  Facile simultaneous synthesis of tetraaniline nanostructures/silver nanoparticles as heterogeneous catalyst for the efficient catalytic reduction of 4-nitrophenol to 4-aminophenol DOI: 10.1039/d0ra03327h
• Boron nitrogen öryggi 1,0

  “without a negative bias voltage shows two bands, at 1307 and 786 These bands represent the in-plane (B-N) stretching mode and out-of-plane (B-N-B) bending modes sp2 (h-BN) of the bonded hexagonal phase, respectively [35,36].”

  Bias-Enhanced Formation of Metastable and Multiphase Boron Nitride Coating in Microwave Plasma Chemical Vapor Deposition DOI: 10.3390/ma14237167
• Acetate öryggi 1,0

  “-C-Nstretching 1358, 1348 - - - - - - - 1360 - 1357 C-O stretching - - - - - - - - - - 1307 ester -C-O-C stretch-”

  Mikolaszek 等 - 2022 - Microscopic and Spectroscopic Imaging and Thermal DOI: 10.3390/polym14142888
• Acetate öryggi 1,0

  “The absorption peaks at the 1307 and 1170 regions are assigned to -C-O-C -C-O-C vibrations [35].”

  Influence of Oxygen Diffusion on Thermal Ageing of Cross-Linked Polyethylene Cable Insulation DOI: 10.3390/ma13092056
• Alkyl C-H öryggi 1,0

  “Polymers 2021, 13, x 8 of 16 1307 cm-1 corresponds to a -CH 2-group (amide III), due to the formation of CO-NH components of protein.”

  Isolation of Chitin from Black Soldier Fly (Hermetia illucens) and Its Usage to Metal Sorption DOI: 10.3390/polym13050818
• öryggi 0,9

  “Explicit assignment in text.”

  Juarez-de la Rosa 等 - 2012 - Effects of thermal treatments on the structure of DOI: 10.1007/s10853-011-5878-9