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Dear Mr. Krishnamurthy,
It is definitely not acceptable. You should have at least carried out partial validation proving that your new internal standard does not cause interference and also ion suppression/ ion enhancement to your analytes. In addition you may need to conduct few precision and accuracy batches, recovery and post preparative stability tests. Since, you have already proceeded further without these, it is better you complete these procedures at least now and file them with your study documents.
With best regards,
V.Pardhasaradhi
It is definitely not acceptable. You should have at least carried out partial validation proving that your new internal standard does not cause interference and also ion suppression/ ion enhancement to your analytes. In addition you may need to conduct few precision and accuracy batches, recovery and post preparative stability tests. Since, you have already proceeded further without these, it is better you complete these procedures at least now and file them with your study documents.
With best regards,
V.Pardhasaradhi
Complete thread:
- internal standard krishnamurthy ca 2008-01-18 06:03
![[Mix]](https://static.bebac.at/img/mix.png "open in Mix view")
- internal standardvpardhasaradhi 2008-01-25 04:47
- internal standard Roshini 2008-01-25 05:08
- internal standardvpardhasaradhi 2008-01-25 04:47
Ing. Helmut Schütz