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FTIR圖譜最符合脂肪族酯類有機物,而非庫中匹配項24937-78-8的確定鑑定。樣品在1737 cm-1處顯示強羰基譜帶,伴隨2916和2849 cm-1的脂肪族C-H伸縮振動、1467和1370 cm-1的CH彎曲振動,以及約1237 cm-1處與酯中C-O伸縮相容的譜帶。719 cm-1的譜帶支持延長的亞甲基鏈或有序長鏈烴特徵。雖然譜庫返回24937-78-8為最接近匹配,但檢索信賴度實際上為零,且無直接或相關文獻證據獨立支持該特定歸屬。
建議的下一步: Reacquire the FTIR spectrum with full fingerprint-region quality and report relative band intensities, especially from about 1800 to 650 cm-1. Check specifically for additional ester C-O bands in the 1300-1000 cm-1 region and for any broad O-H or distinct N-H stretching bands to confirm or exclude alternative functionalities. Compare the sample against reference spectra of long-chain aliphatic esters, wax esters, fatty acid esters, and common plasticizer-type esters. If exact identification is needed, confirm by GC-MS or LC-MS for molecular composition, or by NMR if the sample is sufficiently pure.
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