Sciex 7500 Vs Sciex 6500+
by royuae99 » Sun Apr 30, 2023 6:24 pm
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0
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4398
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Last post by royuae99
Sun Apr 30, 2023 6:24 pm
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NaCl in my sample incr analyte instrumental response in lcms
by antonio_rosato » Thu Apr 27, 2023 2:25 am
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0
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4068
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Last post by antonio_rosato
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7697A to 7890B communication
by pueblito » Sat Apr 08, 2023 3:18 pm
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2
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3948
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Last post by pueblito
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Cannot find the transition in GC/QQQ at a known Ret.time
by Joana Pico » Sat Apr 15, 2023 1:10 am
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2
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3900
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Last post by mathieu_stability
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multiplier
by fragc2000 » Wed Apr 19, 2023 10:02 am
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0
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3970
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Last post by fragc2000
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CALIBRATION CURVE ICP-OES
by Karol24 » Mon Apr 10, 2023 1:48 pm
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2
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3489
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Calibration Valve 5973 always open?
by mvlo » Wed Apr 12, 2023 8:26 am
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2
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2469
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Last post by James_Ball
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Manuals for 5972 MSD?
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2
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2399
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Last post by Consumer Products Guy
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HP 5970B will not perform TUNE
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13
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2942
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Last post by mathieu_stability
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Recommended Resources for Information about LCMS Modifiers
by mpowals01 » Thu Mar 23, 2023 2:54 pm
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4
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3085
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Last post by per_oxid
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Agilent 7890A/5975C
by kfelling » Wed Apr 28, 2021 9:06 pm
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6
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5359
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Agilent 5973 Tune action stopped-no peaks
by megakeeper » Tue Jan 01, 2013 12:45 am
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11
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9842
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High background after preventative maintenance
by JessicaLau » Wed May 06, 2020 3:49 am
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6
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5772
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Last post by per_oxid
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unresponsive flow diverter valve in Sciex 5500
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4
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2444
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Last post by JurijTrontelj
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The effect of increasing interface temperature GC-MS
by Karib » Sun Mar 12, 2023 7:11 pm
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2
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2538
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Agilent Masshunter unknown analysis report template
by hts123 » Tue Mar 21, 2023 3:07 am
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0
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2563
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Last post by hts123
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Scheduled MRM on QTRAP 4000
by Ostravaczech » Mon Mar 20, 2023 10:08 pm
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0
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2421
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Obtaining mass spectra of rider peaks
by jpetri79 » Thu Feb 23, 2023 2:53 pm
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2
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2339
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Last post by JMB
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Baseline Drop off during oven ramp
by Matt Spec » Fri Feb 24, 2023 5:08 pm
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2
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2148
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Thermo TSQ Quantum Ultra - Help?
by mburleson » Tue Oct 18, 2022 9:44 am
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6
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2110
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Tuning TSQ Quantum GC for NIST libraries
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1
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717
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Zero air vs. pure nitrogen as ESI source gas for LC-MS/MS.
by bcd_GCLCMSMS » Tue Feb 28, 2023 2:22 pm
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5
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1078
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Last post by bcd_GCLCMSMS
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Compound tuning by injection: Acid or Base?
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2
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796
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Dropping Continuous Calibration Response GCMS
by PurplePeacock » Tue Feb 21, 2023 12:58 am
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3
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839
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Thermo DSQ II vacuum leak
by Jake » Thu Feb 09, 2023 10:06 pm
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3
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741
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Internal standard selection in untargeted area normalization
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1
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589
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ITSD Drift
by New2QQQ » Thu Feb 09, 2023 1:50 am
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4
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722
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Mass Spec PCB Repair?
by mburleson » Sun Feb 12, 2023 12:39 pm
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2
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1018
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Difluoromethane by GC-MS
by wss » Tue Jan 17, 2023 2:14 am
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6
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989
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Consistent leak problems on Thermo 1310 with ISQ 7000
by ddoerder » Thu Feb 02, 2023 2:27 pm
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1
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726
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Last post by ddoerder
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Unified name for added or lost "fragments" in Mass Spec
by sbashkyrtsev » Mon Jan 30, 2023 10:04 am
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2
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724
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Losing Molecular Ion LCMSMS
by James_Ball » Tue Jan 24, 2023 7:33 pm
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7
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1024
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Internal Standard positive correlation to [Analyte]
by toomunchsam » Sun Jan 29, 2023 9:22 pm
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6
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945
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Analyte stability vs instrument stability
by brinker » Fri Jan 13, 2023 10:04 pm
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2
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727
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Very narrow collision energy peak for MRM.
by bcd_GCLCMSMS » Wed Oct 19, 2022 7:39 pm
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5
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2033
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Last post by bcd_GCLCMSMS
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peaks that come and go
by brinker » Fri Dec 16, 2022 9:52 pm
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3
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853
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LCMS Help!
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1
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1086
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DB-5 column in a GC/MS?
by Eluter » Wed Sep 19, 2012 10:00 pm
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7
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5340
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Leak- 524.2 P&T EST Analytical
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2
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806
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Reputable GC-MS repair services near Chicago?
by lespaul » Sun Dec 04, 2022 11:01 pm
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2
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965
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Help with vintage GCMS - 5972
by chronomag » Thu Dec 01, 2022 2:23 am
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6
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1072
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Last post by Consumer Products Guy
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5973 Part Number Needed
by cjm » Thu Dec 01, 2022 10:00 pm
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2
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852
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Thermal Desorption GC/MS Internal Standard Addition
by CrisTheChemist » Tue Nov 29, 2022 11:51 am
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9
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1033
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Natural small compounds Molecular Kit for a QSRR approach
by Francesco29 » Tue Nov 22, 2022 10:19 am
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1
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780
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Newbie in HPLC-MS: does this look alright?
by KevinBe » Tue Nov 15, 2022 10:48 am
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15
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1773
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Agilent MSD Service Manual
by craftti » Wed May 24, 2017 2:24 pm
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6
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6005
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GC-MS-HS Benzene peaks overlaid
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2
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2633
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MassHunter Enviroquant
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3
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1040
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Repair Prioritization?
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3
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1024
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PAH method for GC MS MS with PTV (CIS Gerstel)
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2
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2651
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