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光谱与以醚键为主的含氧脂肪族有机材料最为一致,谱库最近匹配为聚乙二醇甲醚。然而,检索置信度实际上不存在,观察到的谱带不能可靠地确定该特定聚合物。因此,最可支持的结论是更广泛的含氧脂肪族醚或多醚/乙二醇醚方向,而不是确切的化合物级归属。
推荐的后续步骤: Reacquire the FTIR spectrum with improved signal quality and confirm whether the 1728 cm-1 band is reproducible and intrinsic to the sample. Inspect the 1000-1150 cm-1 region at higher quality, since the shape and multiplicity there can help separate simple glycol ethers from polyethylene oxide/polyethylene glycol-type polymers. Check for complementary evidence by GC-MS or LC-MS if the material may be a small glycol ether, or by NMR/GPC if a polyether polymer is suspected. If the sample is a formulated product, evaluate whether the carbonyl band could arise from an ester-containing additive, plasticizer, or oxidation impurity rather than the main matrix.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
|---|---|---|---|---|---|
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