What absorbs at 1059 cm⁻¹ in an FTIR spectrum?

Schnelle Antwort

A band near 1059 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.

Mögliche Funktionsgruppenzuweisungen

Das Ranking spiegelt die gesammelte Literatur Evidenz wider, nicht eine einzelne maßgebliche Regel. Bestätigen Sie immer anhand Ihres Probenkontexts.

Spektrumslogik

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 1059 cm⁻¹ is usually not enough for material identification by itself.

Praktische Anwendung

Diese Art von Abfrage ist üblich bei der Polymeridentifikation, dem Screening unbekannter Kunststoffe, der Fehlersuche in der Qualitätskontrolle, der Verifizierung von Recyclingmaterial und der literaturgestützten Überprüfung der Peakzuordnung.

Häufige Fehler

• Behandlung einer isolierten Bande als Beweis für ein Material, ohne mindestens einen oder zwei unterstützende Peaks zu überprüfen.
• Überlappung ignorieren: Mehrere funktionelle Gruppen können nahe der gleichen Wellenzahl beitragen.
• Überspringen der Validierung, wenn Additive, Mischungen, Oxidation oder Verunreinigungen das Spektrum verfälschen können.

Beratung zur Verifizierung

Wenn weiterhin Mehrdeutigkeit besteht, validieren Sie die Hypothese mit DSC, GC-MS oder TGA, insbesondere bei Mischungen, degradierten Proben und gefüllten Polymeren.

Literatur hinter diesen Zuweisungen

• Acetate Vertrauen 1,0

  “The peak has shifted to 1059 This has been further validated by the calculated vibration 10 cm-1, frequency, where the C-O stretching for 2-HEC has been obtained at 1055 then slightly shifted cm-1 to 1050 for the complexes 2-HEC-NH 4NO 3.”

  Solid polymer electrolyte production from 2-hydroxyethyl cellulose: Effect of NH4NO3 composition on its structural properties DOI: 10.1016/j.carbpol.2017.02.033
• C-O single bond Vertrauen 1,0

  “stretching at 1229 alkoxy stretching vibration at 1059 In the spectrum of nanocomposites”

  Graphene oxide-TiO2 and reduced graphene oxide-TiO2 nanocomposites: Insight in charge-carrier lifetime measurements DOI: 10.1016/j.cattod.2016.11.008
• Borate Vertrauen 1,0

  “4(cid:2) units, while the ric stretching vibration of BO cm(cid:2)1 represents the stretchband centered at 1059 groups.17-19 4(cid:2) The ing and bending vibrations of BO cm(cid:2)1 is ascribed to the B-O bond IR band at 1224 3(cid:2) units”

  Lakshminarayana 等 - 2019 - Borotellurite Glasses for Gamma-Ray Shielding An DOI: 10.1007/s11664-018-6810-8
• Acetate Vertrauen 1,0

  “Cellulose 1105 Anti-symmetric in plane stretching 1059 C-O bond stretching β 897 C-O-C stretching Glycosidic linkage”

  Micro-FTIR combined with curve fitting method to study cellulose crystallinity of developing cotton fibers DOI: 10.1007/s00216-020-03094-6
• Acetate Vertrauen 1,0

  “This band and the cm-1) band of the C-O group in MCC (1059 were overlapped by a band corresponding to cm-1, the stretching vibrations of Si-O groups in halloysite 1037 which shifted to longer cm-1.”

  Enhancing the Thermal Stability of Ionogels: Synthesis and Properties of Triple Ionic Liquid/Halloysite/MCC Ionogels DOI: 10.3390/molecules26206198
• Alkyl C-H Vertrauen 1,0

  “In the IR spectrum of adsorbed CPE, a band appeared at 1393 which 3 cm-1, is characteristic of C-H bending, and peaks at 1059 and 963 which correspond to C-O and P-O stretching, respectively, also appeared.”

  Robust Magnetic -Fe2O3/Al–ZnO Adsorbent for Chlorpyriphos Removal in Water DOI: 10.3390/w14071160
• Acetate Vertrauen 1,0

  “C=O the main peaks are observed at 1646 and 1584 which corresponds to and NH of the core 2 cm-1 structure of chitosan, the peak at 1150 correlated to the stretching of the C-O-C and peaks at 1059 cm-1 C=O”

  Noncovalent Sericin-Chitosan Scaffold: Physical Properties and Low Cytotoxicity Effect DOI: 10.3390/ijms21030775
• Acetate Vertrauen 1,0

  “2922 cm-1 (for C-H stretching) and 1059 cm-1 (for C-O stretching vibration) confirmed”

  Das 等 - 2020 - Green Synthesis, Characterization and Application DOI: 10.3390/nano10081615