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FTIR 图谱最符合一种含有强酯羰基和多个 C-O 伸缩吸收带的小分子含氧脂肪族材料。最近的谱库名称是 1-甲氧基丙-2-基乙酸酯,但谱库匹配质量实际上没有区分性,并且没有直接或相关的文献支持来确认该确切化合物。因此,更广泛的归类为含氧酯类有机材料是此样品最化学上可支持的结论。
推荐的后续步骤: Re-run the FTIR with careful background subtraction and confirm whether the 2280 cm-1 band persists in the sample spectrum. Check for ester confirmation by comparing the carbonyl region near 1736 cm-1 and the C-O region from about 1250 to 1000 cm-1 against an authentic spectrum of 1-methoxypropan-2-yl acetate. If the material is volatile, verify by GC-MS to determine whether a single low-molecular-weight ester dominates. If mixture is suspected, combine FTIR with GC-MS or headspace GC-MS to separate the main oxygenated component from minor contributors.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
|---|---|---|---|---|---|
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