The sample was etherified in 10% H2SO4-CH3OH, followed by extraction with CH2Cl2, and determined by GC.

 
  • 采用10%25的硫酸甲醇對樣品進(jìn)行衍生化,用二氯甲烷萃取,最后進(jìn)行氣相色譜分析。
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