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Discussions about GC-MS, LC-MS, LC-FTIR, and other "coupled" analytical techniques.

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by tom jupille » Thu Mar 11, 2021 7:17 pm
Embedding chromatograms and reports
by tom jupille » Thu Mar 11, 2021 6:42 pm
MS ESI ionization of methoxybenzenes in normal phase LC-MS
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ISO 15318
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problem with alkylphenols
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MSD 5971 shutting down within minutes after boot
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LC-MS: Benzaldehyde not detecting
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Multiplier Voltages Jumping Around?
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2,4-dimethylphenol disappearing from LCS
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Electrospray Ionization Efficiency prediction tool
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Chemstation MSD won't start during run, Diag. all OK
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Sciex 6500 not starting up
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Recommend favorite caps for 7673 autosampler vial
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Agilent MSD 5975 difficult in adjusting coils
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UPDATED: GC-FID TRPH (motor oil) C29-C35
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Liquid N2 consumption
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Edwards RV3 maintenance
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Typical HiVac pressure for 5977B?
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Agilent 6475 Questions
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Best general GCMS column?
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Milky foam in rough pump oil.
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QTRAP: Dynamic fill time or Q0 trapping?
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QC requirements running a subset of 8260 VOCs
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How is mass error (ppm) actually used?
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Hi-Vacuum Gauge is Off or Not Connected in Agilent 5975C MSD
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Parker Balston Nitroflow 60 Pump, Questions
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PFAS X:2 FTS isotope issues
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LCMS Standard Addition in matrix
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Bouncing Mass with Calibration Mix.
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mystery mass spectrum interpretation
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Thermal Desorption GC/MS Internal Standard Addition
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Detection problems of mono and di-tms forms of organic acids
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Problem with Agilent 5975 MSD
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Shimadzu QP2020 for EPA 524
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Tetraethyllead non linear response
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polarity switching issue on Agilent 6495C
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MRM - Mass Resolution Window
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Alternative mass spec quantitation software?
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5973 Won't Complete BFB Target Tune
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Acquisition methods in Analyst 1.7 with Waters Console
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Thermo TSQ Quantum Vantage service utility tool
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Problems with the FlexCube module
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EPA 522 Confirmatory Ion interference.
by bcd_GCLCMSMS » Tue Sep 13, 2022 1:51 pm
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