The molecular structure of ethyl cellulose was characterized and confirmed by elementary analysis, FT-IR and 1H NMR, and the compound obtained was final objective product.

　
英 美
  • 通過(guò)元素分析、紅外光譜和核磁共振氫譜對產(chǎn)物的分子結構進(jìn)行表征，確定所合成的化合物即為目標產(chǎn)物。
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目錄 附錄 查詞歷史
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