最近看到一篇文章里谈到GC-MS定量测定化合物浓度，由于小女子才疏学浅，文章里关于标准曲线的制备不是很明白，请教各位强人，可否给予帮助，提前作揖感谢了，文章是这样说的：the calibration curve for individual target compounds was built up by plotting the selective mass ion abundance ratio of target compounds with their respective internal standard against the concentration ratio. 我们谈到GC-MS做定量是一定要有内标的，请问可以用一种内标的离子定量这一类物质的量吗？？文章是这么做的，我不太明白，因为刚刚接触这个方向，谢谢各位战友，牛年快乐～～！！！
xenophobe_ouc发表:the calibration curve for individual target compounds was built up by plotting the selective mass ion abundance ratio of target compounds with their respective internal standard against the concentration ratio.
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