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当前的FTIR图谱匹配度太低,无法进行可靠的化合物级别归属。该样品更安全地描述为一种含氧有机材料,显示酯类羰基吸收以及C-O伸缩谱带,可能还包含甲基丰富的含硅组分。最近的谱库命中是1-甲氧基丙-2-基乙酸酯,但检索置信度实际缺失,因此该名称仅应视为最接近的谱库标签而非鉴定结果。
推荐的后续步骤: Check for additional FTIR bands outside the current list, especially 2950-2850 cm-1, 1260-800 cm-1 fine structure, and any broad O-H or distinctive Si-O-Si absorptions, to separate ester/ether organics from siloxane-containing material. Run GC-MS if the sample is volatile or extractable to test whether a small acetate solvent such as 1-methoxypropan-2-yl acetate is actually present. If the sample is nonvolatile or film-like, collect ATR-FTIR with higher signal quality and compare specifically against ester polymers, acrylic materials, and silicone-containing coatings. If silicon remains a concern, verify by elemental screening such as XRF, SEM-EDS, or a silicon-focused wet-chemical or spectroscopic test.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
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