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نتیجہ صفحہ

heteroatom-containing organic material with methyl-substituted ring and possible ether or hydroxyl functionality

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نتیجہ نمبر: 20250603172240344596261 مالک: publicuser تبصرے: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250603172240344596261 Date: 2025-06-03 15:23:47 Reported by: FTIR.fun Contact: [email protected]

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Top15

Similarity-ranked Top-15 library comparison

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Top 15 candidates

Reference library candidates

Rank Match % Compound Name Formula / SMILES Library preview Action
Reference candidates load with this Top-15 workbench.

Based on the library matches and evidence above.

Conclusion

heteroatom-containing organic material with methyl-substituted ring and possible ether or hydroxyl functionality

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Conclusion
  1. Broad absorption at 3280 cm-1 supports O-H and/or N-H containing organic chemistry.
  2. Bands at 2922 and 2853 cm-1 support an aliphatic hydrocarbon backbone or substituents.
  3. Fingerprint-region bands at 1246 and 1086 cm-1 support heteroatom-containing linkages, especially C-O and/or C-N.
Evidence & interpretation
Evidence

Key evidence

لائبریری معروف مماثلت
Poly(ethylenimine),epichlorohydrin modified #7725
Limitations

Evidence that limits the conclusion

  • The proposed library entity Poly(ethylenimine),epichlorohydrin modified is not directly supported by a distinctive confirming band pattern in the provided evidence.
  • The top-15 library candidates include chemically diverse materials, including polyamines, polyethers, siloxane-graft materials, carbohydrates, and sulfur-containing aromatic dyes, which weakens any narrow assignment.
  • The library consensus phrase sulfur heterocycle / methyl is not securely established by the sample peaks alone, because the measured spectrum does not show a sufficiently specific aromatic sulfur-containing pattern.
  • The 1635 cm-1 band is non-specific and could reflect ring vibration, unsaturation, amine-associated absorption, or adsorbed water contribution.
  • The 826 and 873 cm-1 bands suggest substitution or ring-related features, but they do not uniquely distinguish sulfur heterocycles from other substituted organic structures.
  • Without stronger match quality or reference confirmation, it remains unclear whether the sample is primarily an amine-rich polymer, ether-rich polymer, or another oxygen/nitrogen-containing organic material.
Recommendation

Suggested next verification

  • Acquire a higher-quality repeat FTIR spectrum with baseline correction and stronger signal in the 1800-600 cm-1 region to refine the fingerprint assignment.
  • Check whether the 3280 and 1635 cm-1 bands decrease after drying; that would help determine whether adsorbed water is contributing to those features.
  • Compare the sample directly against authenticated spectra of Poly(ethylenimine), poly(ethylene oxide), and epichlorohydrin-modified polyamine materials, since these are among the nearest library directions.
  • Use complementary elemental analysis or EDS/XPS to test for sulfur, chlorine, and silicon, which would quickly exclude several of the chemically diverse library candidates.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

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Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1086 1.00 - - - -
2 · 826 0.67 - - - -
3 · 873 0.66 - - - -
4 · 1415 0.59 - - - -
5 · 1246 0.52 - - - -
6 · 1635 0.49 - - - -
7 · 1508 0.41 - - - -
8 · 2922 0.40 - - - -
9 · 3280 0.34 - - - -
10 · 2853 0.31 - - - -
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Appendix

Sample information and raw spectrum

Original uploaded spectrum for reference and verification.

Baseline correction method: Asymmetric Least Squares Smoothing

The wavelength range for analysis(cm-1): [(650, 4000)]

Raw spectrum without baseline correction or other processing:

Sample spectrum image
بحث

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