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- Posts: 12
- Joined: Tue Apr 28, 2020 2:55 pm
please, do you know to recommend me GC/MSD parameters to determinate BTEX using DB-VRX column without purge&trap injection?
Thx a lot
L.
Discussions about GC and other "gas phase" separation techniques.
rb6banjo wrote:
If you're being held to some sort of regulatory standard, i don't see how you're going to get around not having some sort of sampling that involves concentration of the analytes (e.g., purge-and-trap).
The only thing i can recommend for this that doesn't involve purge-and-trap is SPME (or something like it, HiSorb, Retek's "Arrow", etc.).
rb6banjo wrote:
In a 1 L sep funnel? Recoveries are good? Intuitively, seems like not enough organic phase to get good distribution between phases.
rb6banjo wrote:
In a 1 L sep funnel? Recoveries are good? Intuitively, seems like not enough organic phase to get good distribution between phases.
LALman wrote:
We used to do BTEX/GRO on and GC-FID/PID instrument by splitting the column to dual detectors PID and FID. The PID will get that BTEX signal and ignore the more saturated hydrocarbons.
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