查看上面的报告。如果需要后续讨论,请使用下方的评论。
当前FTIR证据不支持确切的材料鉴定。最近谱库命中为多硫化物聚乙烯聚甲醛聚合物,但匹配质量实际上无区分性,样品仅显示三个报告谱带:728、774和1007 cm-1。这些谱带与含硫有机聚合物材料兼容,也可能与1007 cm-1区域的醚或缩醛型C-O伸缩一致,但现有证据过于有限,无法证明具体的聚合物归属。
推荐的后续步骤: Reacquire the FTIR spectrum over the full mid-IR range with a good signal-to-noise ratio and report all major bands, especially 4000-1200 cm-1 as well as the full fingerprint region. Check specifically for characteristic bands that would strengthen or reject the current direction: C-H stretches near 2850-2960 cm-1, O-H near 3200-3600 cm-1, carbonyl near 1650-1750 cm-1, and additional C-O/C-O-C bands in the 900-1200 cm-1 region. Inspect the 600-700 cm-1 region for stronger sulfur-related skeletal features and the 1000-1150 cm-1 region for a fuller ether/acetal pattern. If the sample may be formulated, use complementary methods such as Raman spectroscopy, SEM-EDS for sulfur and inorganic fillers, and if possible pyrolysis-GC/MS to separate polymer-binder and additive contributions.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
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