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I noticed some problem with hplc. As you can see in the photographs, negative peaks and strange chromatograms appear. There is no change in pressure during the run. What do you think could happen?...
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What do you believe when the peaks on chromatogram are moved a lot to the right while the previous day were okay? For example my first peak was at 4.4 min and today is at 11.2 min. We have HPLC...
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Hello, We have HPLC Thermo Scientific Dionex UltiMate 3000 the problem is that the pressure becomes very high (approximately 200 bar) when we use the isoctratic mode using the analogy H20:MeOH...
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