c*****r
发帖数: 1476 | 1 用来做Ｐ定量的NMR内标。
要求：不和金属Pd(II)配位，在80 oC能稳定存在24hours,化学位移避开0-40ppm区间
有啥好推荐的？谢过！ |
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c*********d
发帖数: 33 | 2 其实你只要把磷酸封在一个毛细管里后再放在核磁管就可以了。 |
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m****e
发帖数: 255 | 3 Do you need to do quantification? How about use a phorsphonium salt? |
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c*****r
发帖数: 1476 | 5 yes.
phosphonium salt typically have coordinating anions.
I guess I will go with phosphine oxide, which only very weakly binds to Pd
through O and it should not be a huge problem. |
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