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- Posts: 5
- Joined: Thu Dec 16, 2010 7:20 am
We have validated method in which sample dilution is 100mg/100ml and further 10ml/100ml (100ppm solution).
Can we change the sample preparation to 25mg/250ml (100 ppm) to avoid pipetting error.
If yes, we have to revalidate the method or not!
Regards