[img=,690,104]https://ng1.17img.cn/bbsfiles/images/2020/06/202006201904161425_1822_3248594_3.png!w690x104.jpg[/img]

[img=,690,161]https://ng1.17img.cn/bbsfiles/images/2020/06/202006201906025105_7074_3248594_3.png!w690x161.jpg[/img]

[img=,690,136]https://ng1.17img.cn/bbsfiles/images/2020/06/202006201902584719_512_3248594_3.png!w690x136.jpg[/img]

这个曲线的浓度怎么算？是不是所有的Cd最后都在甲基异丁酮中，所以我在软件中输入的浓度点应该是0mg/L 0.25mg/L 0.5mg/L 1mg/L 1.5mg/L 2mg/L  ？