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FTIR 證據不支持將樣品明確鑑定為 N-(Phenylmethyl)acetamide,儘管它是最接近的譜庫條目。觀測到的光譜更廣泛地描述為一種含羰基的有機物,具有強烈的脂肪族特性和酯類的 C=O/C-O 圖樣。這個更廣泛的方向比特定的醯胺或含氮歸屬在化學上更可支持
建議的下一步: Re-examine the full spectrum for a weak or broad N-H/O-H stretching region between about 3200 and 3600 cm-1 to test amide or alcohol involvement. Inspect the 1600-1500 cm-1 region for aromatic ring bands; their presence or absence would help distinguish benzyl/aromatic compounds from aliphatic esters. Check for the characteristic ester pair by confirming a strong C=O near 1735 cm-1 together with intense C-O bands across roughly 1300-1000 cm-1. If available, run GC-MS or LC-MS to determine whether the sample is a long-chain ester, another oxygenated aliphatic compound, or a mixture.
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FTIR.fun
The user from Taiwan (IP: 2407::) uploaded a DOCX file containing three IR spectra. Swipe up to view the qualitative analysis of the second spectrum. The user also expressed intent to calculate sample thickness using interference peaks. Here is the original spectrum of the sample extracted from the DOCX
en&2This sample appears to be more similar to PVC or its copolymer. Please use the "Spectrum Search" function on this site and enter "PVC" to view the corresponding reference spectrum.
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