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当前的FTIR证据未能可靠地将样品鉴定为Poly(vinylbenzylammonium chloride),因为谱库匹配置信度低,且没有直接或相关的文献来源独立支持该分配。观察到的光谱更合理地描述为一种含氧聚合物材料,显示宽O-H谱带、酯或酸类羰基谱带、脂肪族C-H伸缩以及多个与含C-O聚合物结构一致的指纹区谱带。仅凭现有证据,将样品更窄地分配为特定含铵聚合物在化学上并不可靠。
推荐的后续步骤: Recollect the FTIR spectrum with improved signal quality and baseline control, ideally including the full 4000-400 cm-1 range and relative band intensities. Check specifically for confirming bands that would separate carboxylic acid, ester, anhydride, and alcohol-rich polymers, especially in the 1800-1500 and 1300-900 cm-1 regions. If Poly(vinylbenzylammonium chloride) remains of interest, look for independent evidence of aromatic ring modes and ammonium-associated features using a higher-quality spectrum and comparison to an authenticated reference. Complement FTIR with Raman, elemental analysis, or XPS to test for nitrogen and possible counterion content; this would help confirm or reject an ammonium-containing polymer assignment.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
|---|---|---|---|---|---|
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