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谱库返回POLYESTER作为最近命名匹配,但匹配质量极弱,更广泛的证据不能有力支持特定的聚酯归属。观察到的3477和3623 cm-1谱带指示含羟基官能团,1034 cm-1支持C-O或Si-O型伸缩,1643 cm-1与弱羰基、吸附水弯曲或不饱和官能团一致,而非明确的识别性酯谱带。由于前15谱库模式内部混杂,且没有直接或相关文献证据缩小解释范围,最合理的结论是广义的含氧材料方向,而非确定的材料鉴定。
推荐的后续步骤: Recollect the FTIR spectrum over the full range with improved signal quality and inspect especially the 1750-1700 cm-1 region for a characteristic ester carbonyl band. Check the 1300-1000 cm-1 region in more detail to determine whether the 1034 cm-1 band behaves more like organic C-O stretching or inorganic Si-O absorption. Dry the sample and rerun FTIR to see whether the 3477/3623 and 1643 cm-1 bands decrease, which would test for adsorbed moisture. If polyester remains a practical possibility, compare against authenticated polyester references and look for the full set of ester-related bands rather than relying on the current weak library hit alone.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
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