食用香精未知成分定性求助

gaogao0214

2013/09/26

私聊

气质联用（GCMS）

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悬赏金额:30积分状态:已解决

食用香精，极性柱，其中以下峰大家帮忙看看是什么，谢谢

9.104min

9.403min

12.975min

13.229min

13.348min

14.766min

23.387min

23.670min

28.528min

34.743min

34.823min

symmacros 2013/09/26

9.104min acetaldehyde di 2-pentyl acetal 9.403min acetaldehyde bis 3-methylbutyl acetal 12.975min from melonal 13.229min 己烯醇酸酯 13.348min from melonal 14.766min acetaldehyde some alcohol acetal

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130926.D.rar

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symmacros

第1楼2013/09/26

应助达人

9.104min acetaldehyde di 2-pentyl acetal

9.403min acetaldehyde bis 3-methylbutyl acetal

12.975min from melonal

13.229min 己烯醇酸酯

13.348min from melonal

14.766min acetaldehyde some alcohol acetal

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symmacros

第2楼2013/09/26

应助达人

23.387min

23.670min

28.528min

34.743min

34.823min
这几个都是缩醛，但具体推算比较麻烦。

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gaogao0214

第3楼2013/09/27

朱老师，这些缩醛是不是需要折算回乙醛和相应的醇？
symmacros(jimzhu) 发表:9.104min acetaldehyde di 2-pentyl acetal

9.403min acetaldehyde bis 3-methylbutyl acetal

12.975min from melonal

13.229min 己烯醇酸酯

13.348min from melonal

14.766min acetaldehyde some alcohol acetal