Log in to follow, share, and participate in this community. Not a member? Join Now! 5975C MSD and 7890 GC. I am fairly new to GC-MS and am having issues with my baseline. I have recently begun seeing ghost peaks and sudden baseline shifts after replacing a column. I did inlet maintenance an... Dear colleagues we encountered a new problem with front inlet shutdown in high efficient GCMS , the inlet itself appear OK before the beginning of run method and still OK during syringe ... .the library search score for a compound is different with different instruments nowadays,in my work we have different types of gc-ms, we bought new gcms 7890B- 5977B HES , when comparing the result of the same... Hi, I having troubles in making a sequence in the 240 Ion Trap and 7890A GC. The MS Workstation suspends the automation with these messages. What could be causing this problem? Attached is a copy of the "after" chromatogram. In OpenLAB CDS 2.x Data Analysis there is not a native way to use the HP/Agilent MSD Chemstation Data Analysis *.L library files, including NIST and also custom libraries. To use these *.L libraries in OpenLAB... Sometimes getting the "HED Error" message can be a dirty HED assembly. The cleaning process for the HED assembly is recommended when the GCMS has high noise background or spiking with the HED on. This can happen... We have inherited a 6890/5973 GC-MS system running G1701BA B02.00 chemstation software under Windows NT SP 6a. The system comes up OK and performs a successful tune. However, when performing a run, the "override... Has anyone got a pdf of the 5972 MSD manual, or would anyone be able to point me in the direction of where to get a copy please? Thanks, Aden Common MSD Contaminants from the 5975 Series MSD Troubleshooting and Maintenance Manual. UPS Systems - For use on GC/MS Systems Agilent Technologies does not recommend the use of a UPS or other isolation devices to supply power to a GC, GC/MS or ICP-MS system. These instruments present a highly varying l... Nitrogen in New Indicating Gas Traps Hi everyone. Posting on behalf of someone else. My colleague is using an HP 6890 GC with a 5973 mass selective detector. We're observing a mysterious oxygen peak at m/z 32. I would normally suspect it's caused... Slide presentation showing HP, Varian, and Agilent GC/MS technology from 1970 through 2013. This slide deck shows the different models of Hewlett Packard GC/MS units dating from 1971 through 1999, when Agilent was spun off from HP.