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- Posts: 2
- Joined: Mon Aug 17, 2020 12:46 pm
I'm running a GC system testing: Methanol, dichloromethane, o-xylene, ethyl acetate and acetone.
I'm currently validating the method and the %RSD for all solvents was allways not more then 2.0%
In the last sequence there was a strange problem were the %RSD for only methanol and o-xylene was very high (about 16%)
What could cause repeatability issue for only these solvents?
I'm using a headspace sampler with a gas tight syringe
Column: DB-624 30m x 0.32mm x 1.8um