回复qznjg发表于:2020/8/28 16:31:20悬赏金额:
15积分 状态:
未解决
刚做了个如图化合物的质谱,麻烦大家帮我看看是不是我那个物质,目标产物的分子量应该是438,分子离子峰在chemdraw里是438,439,440,但是我打的图上没有438,只有439,441, 并且453,475为什么也有峰呢?溶剂是乙醇,飞行时间质谱打的
[img=,690,361]https://ng1.17img.cn/bbsfiles/images/2019/08/201908281631147456_9292_1801607_3.png!w690x361.jpg[/img][img=,690,368]https://ng1.17img.cn/bbsfiles/images/2019/08/201908281631143955_9182_1801607_3.png!w690x368.jpg[/img][img=,378,280]https://ng1.17img.cn/bbsfiles/images/2019/08/201908281631150026_3092_1801607_3.png!w378x280.jpg[/img][img=,690,562]https://ng1.17img.cn/bbsfiles/images/2019/08/201908281631154286_8410_1801607_3.jpg!w690x562.jpg[/img]