查看上面的报告。如果需要后续讨论,请使用下方的评论。
普通的 FTIR 证据支持一种含羰基的脂肪族有机材料,最强的窄推断是酮类化合物,可能是环酮。谱库顶部命中是环庚酮,但匹配强度实际上不存在,并且没有直接参考或相关文献证据独立确认该具体分配。观察到的 1699 cm-1 带与酮类 C=O 吸收一致,而 2934 和 2863 cm-1 支持脂肪族 C-H 伸缩。1452、1338、1244、1158、936、851 cm-1 的带与指纹区骨架和 C-H 变形模式兼容,但它们不能唯一识别环庚酮。
推荐的后续步骤: Recollect the FTIR spectrum at higher signal quality and confirm the carbonyl band shape and exact position near 1700 cm-1. Check specifically for any weak O-H or N-H stretching bands above 3000 cm-1 to rule in or out alcohol- or amide/imide-containing alternatives suggested by some library candidates. Compare the sample against an authentic Cycloheptanone reference spectrum, focusing on the full fingerprint region rather than the carbonyl band alone. If confirmation is needed, use GC-MS or LC-MS to test whether the sample is a low-molecular-weight ketone such as Cycloheptanone versus another aliphatic carbonyl compound.
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FTIR.fun
The above shows the FTIR analysis results of a jpeg file uploaded by a user (IP: 2600:: ). The original image is displayed below.
csv file:tem.csv
en&2