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- Posts: 3
- Joined: Tue Sep 05, 2017 1:47 pm
We have a GC Thermo Trace with Triplus AS autosampler.
I am trying optimizing an injection method with various washing options, because of interferences appears in the chromatogram after sample injection. I need to discriminate if these interferences come from deficient syringe washing or by column memory of the analytes.
For that reason I want to obtain a chromatogram of the methods I used but without Triplus injection (that is to get the “instrument baseline” with the run method). But I can do this only manually. I need to implement an instrument baseline “sample” for quality control in the analytical batch. But I can´t found an option to put this run in the sequences of sample in a way that it run automatically. The best I have until now is: (1) to inject an “air sample” (empty vial), but this option introduce oxygen to de column and also syringe washing interferences. (2) To do the instrument base line by manual start, but in that way I can´t include it in the sequence to be run automatically.
Can anybody help me with this problem?
Thank you in advance!