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परिणाम पृष्ठ

oxygenated organic polymer or polymeric coating with hydroxyl and carbonyl functionality

ऊपर रिपोर्ट देखें। यदि आपको अनुवर्ती चर्चा की आवश्यकता हो तो नीचे टिप्पणियों का उपयोग करें।

परिणाम संख्या: 20250505153334342219483 मालिक: Kamila टिप्पणियाँ: 0
  • Translating report into हिंदी. English is shown for now.
FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250505153334342219483 Date: 2025-05-06 03:10:26 Reported by: FTIR.fun Contact: [email protected]

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Top15

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Top 15 candidates

Reference library candidates

Rank Match % Compound Name Formula / SMILES Library preview Action
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Based on the library matches and evidence above.

Conclusion

oxygenated organic polymer or polymeric coating with hydroxyl and carbonyl functionality

General assessment
-
#30928 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. The sample directly supports hydroxyl-containing chemistry through the broad 3389-3405 cm-1 band.
  2. The 1723 cm-1 band directly supports a carbonyl-bearing component.
  3. The dense C-O fingerprint region supports an oxygenated polymeric or coating-like material.
Main limitation

The nearest library hit has zero reported similarity and therefore does not provide strong match confidence.

Evidence & interpretation
Evidence

Key evidence

लाइब्रेरी मुख्य मिलान
Poly(vinyl alcohol) #30928 | match 0.0%
सामग्री दिशा
oxygenated organic polymer or polymeric coating with hydroxyl and carbonyl functionality The FTIR pattern supports an oxygen-containing organic polymeric material rather than a secure assignment to a single named library compound. The sample shows a broad O-H band at 3389-3405 cm-1, aliphatic C-H stretching at 2852, 2919, and 2953 cm-1, a strong carbonyl band at 1723 cm-1, and multiple C-O region bands at 1002, 1027, 1068, 1112, and 1268 cm-1. Together these features are consistent with a hydroxyl- and carbonyl-containing polymer or coating. Although the nearest library name is Poly(vinyl alcohol), the evidence does not securely support that specific material because the observed 1723 cm-1 carbonyl band is not expected to dominate a simple poly(vinyl alcohol) spectrum.
Support

Evidence supporting the conclusion

Only sample-relevant statements that support the present conclusion are shown here.

  1. The FTIR pattern supports an oxygen-containing organic polymeric material rather than a secure assignment to a single named library compound. The sample shows a broad O-H band at 3389-3405 cm-1, aliphatic C-H stretching at 2852, 2919, and 2953 cm-1, a strong carbonyl band at 1723 cm-1, and multiple C-O region bands at 1002, 1027, 1068, 1112, and 1268 cm-1. Together these features are consistent with a hydroxyl- and carbonyl-containing polymer or coating. Although the nearest library name is Poly(vinyl alcohol), the evidence does not securely support that specific material because the observed 1723 cm-1 carbonyl band is not expected to dominate a simple poly(vinyl alcohol) spectrum.
  2. The sample directly supports hydroxyl-containing chemistry through the broad 3389-3405 cm-1 band.
  3. The 1723 cm-1 band directly supports a carbonyl-bearing component.
  4. The dense C-O fingerprint region supports an oxygenated polymeric or coating-like material.
  5. Several leading library candidates are oxygen-rich polymers or polymer additives, which is consistent with the observed O-H, C=O, and C-O bands.
  6. Broad absorption at 3389-3405 cm-1 supports hydrogen-bonded hydroxyl groups.
  7. Bands at 2852, 2919, and 2953 cm-1 indicate aliphatic C-H stretching from an organic backbone or side chains.
  8. A prominent band at 1723 cm-1 supports carbonyl functionality such as ester, acid, aldehyde, ketone, or oxidized polymer segments.
  9. Bands at 1002, 1027, 1068, 1112, and 1268 cm-1 are consistent with C-O stretching in alcohols, ethers, esters, or related oxygenated polymers.
  10. The lower-wavenumber pattern at 681, 737, 776, 869, and 947 cm-1 is not by itself sufficient here to define a unique polymer identity.
  11. The Top-15 library pattern is chemically mixed, but many candidates share oxygenated polymer functionality, including hydroxyl, carbonyl, and C-O linkages.
Limitations

Evidence that limits the conclusion

  • The nearest library hit has zero reported similarity and therefore does not provide strong match confidence.
  • A simple assignment to Poly(vinyl alcohol) is limited by the strong 1723 cm-1 carbonyl band, which suggests additional chemistry not required for that polymer.
  • The Top-15 library candidates are chemically diverse, including chlorinated, acidic, acetal, sulfonated, and other polymer types, so the retrieval does not converge on one specific structure.
  • No direct reference match or related literature match was recovered to narrow the assignment.
  • The current spectrum cannot distinguish whether the carbonyl arises from an ester-containing polymer, partially oxidized/polymer-blended material, plasticizer, or surface coating component.
  • The available evidence does not securely establish whether the sample is a single polymer, a copolymer, or a formulated mixture.
  • Bands below 1000 cm-1 are not sufficiently characteristic here to confirm halogenation, aromatic substitution pattern, or a specific repeat unit.
Recommendation

Suggested next verification

  • Compare the sample specifically against authenticated FTIR references for Poly(vinyl alcohol), poly(vinyl butyral), poly(acrylic acid), and ester-containing oxygenated polymers, focusing on the 1723 cm-1 carbonyl intensity and the 1000-1300 cm-1 C-O pattern.
  • If the sample is a coating, adhesive, or formulated film, examine extraction or separation of additives/plasticizers before repeat FTIR measurement to determine whether the carbonyl band comes from a secondary component.
  • Acquire complementary data such as Raman spectroscopy, DSC, or pyrolysis-GC/MS to determine whether the material is a single oxygenated polymer or a blend.
  • If practical, collect ATR-FTIR from multiple spots and, if possible, a transmission spectrum from a thin section to test whether the carbonyl-containing component is concentrated at the surface.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1002 1.00 - - - -
2 · 681 0.99 - - - -
3 · 737 0.97 - - - -
4 · 947 0.96 - - - -
5 · 1027 0.92 - - - -
6 · 869 0.91 - - - -
7 · 1419 0.85 - - - -
8 · 1112 0.82 - - - -
9 · 776 0.80 - - - -
10 · 1068 0.78 - - - -
11 · 1268 0.67 - - - -
12 · 2919 0.59 - - - -
13 · 1723 0.52 - - - -
14 · 2953 0.42 - - - -
15 · 2852 0.38 - - - -
16 · 3389 0.22 - - - -
17 · 3405 0.22 - - - -
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
चर्चा

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