回复tangzilu发表于:2020/9/23 11:47:51悬赏金额:
15积分 状态:
未解决
样品可能是有机小分子酸。。。
[img=,690,431]https://ng1.17img.cn/bbsfiles/images/2019/09/201909231147425598_2631_1827556_3.png!w690x431.jpg[/img][img=,690,412]https://ng1.17img.cn/bbsfiles/images/2019/09/201909231147431938_1864_1827556_3.png!w690x412.jpg[/img]