Marco Campus

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Questions related from Marco Campus

Can you help me with multifactor ANOVA with Statgraphics centurion and an error message: factor AB is a linear combination of other factors?

Hi, trying to run a multifactor anova with statgraphics, the design is 2 categorical factors (A and B) and 2 levels for each factor. When I put a order of interactions of 2 (namely AB...

11 July 2014 6,137 3 View

Does anyone know a suitable detergent to clean Vials used for SPME (Solid Phase Micro Extraction) without leaving odorants residues?

I'm asking to experienced SPME practitioners how to handle the vials for reuse. It could seem a trivial problem, but working with GC/MS using the wrong detergent to clean septa and vials results...

11 October 2012 3,775 12 View