IR Absorption Table
IR Absorption Table Wavenumber (cm⁻¹) Absorption Group / Structure Notes 3600–3650 Sharp, strong Free O–H (phenol/alcohol) Not H-bonded 3500–3450 Sharp, medium 2° amine N–H (–NH) Single absorption 340…
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Results20260612174423548435103
Polylactic acid The spectrum is consistent with polylactic acid, an aliphatic polyester; the strong ester carbonyl at 1738 cm⁻¹, the characteristic C–O stretching pattern between 1300 and 1000 cm⁻¹, a…
Results20260609224133984568878
Aliphatic urethane acrylate, FTIR.fun spectrum number:156929, similarity:0.74 Your analysis report is ready. You can review the result above and use the comments below if you need follow-up discussion…
Results20260609164129062101177
Calcium carbonate The sample is identified as calcium carbonate (calcite), consistent with library match and characteristic carbonate bands at 712, 876, and 1415 cm⁻¹ corresponding to ν₄, ν₂, and ν₃ v…
Results20260609164113690538437
Antistatic agent, FTIR.fun spectrum number:156738, similarity:0.626 Your analysis report is ready. You can review the result above and use the comments below if you need follow-up discussion. Review t…
Results20260608150132591919177
N-buta-2,3-dienyl-4-fluorobenzamide, FTIR.fun spectrum number:18794, similarity:0.823 Your analysis report is ready. You can review the result above and use the comments below if you need follow-up di…
Results20260608142800993332310
5-[2-[1-(4-cyclopropyl-4-hydroxybut-2-enyl)-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol, FTIR.fun spectrum number:157269, similarity:0.758 Your an…
Results20260608135639676397480
Radix Astragali, FTIR.fun spectrum number:151799, similarity:0.708 Your analysis report is ready. You can review the result above and use the comments below if you need follow-up discussion. Review th…
Results20260601190936307505216
(2R,3R,4S,5S,6R)-2-[(2S,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy-6-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]o…
Results20260601190637501295827
Talc, FTIR.fun spectrum number:390, similarity:0.643 Your analysis report is ready. You can review the result above and use the comments below if you need follow-up discussion. Review the report above…