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Please read this! by tom jupille » Thu Mar 11, 2021 7:17 pm	0	11833	Last post by tom jupille Thu Mar 11, 2021 7:17 pm
Embedding chromatograms and reports by tom jupille » Thu Mar 11, 2021 6:42 pm	0	11789	Last post by tom jupille Thu Mar 11, 2021 6:42 pm
method guidelines for publications by ablake18 » Sun May 21, 2023 4:03 pm	2	197	Last post by lmh Wed May 31, 2023 4:34 pm
Molecular peaks at EI GC-MS of solvents by Vivid_Grey » Fri May 05, 2023 7:34 am	2	327	Last post by Vivid_Grey Wed May 31, 2023 12:13 pm
A copy of Masshunter B.02.00 by analityk25_ » Sun Apr 23, 2023 9:14 pm	5	621	Last post by mathieu_stability Wed May 31, 2023 4:57 am
Compound detectability by mattcake » Fri May 19, 2023 10:51 am	3	312	Last post by mathieu_stability Tue May 30, 2023 11:57 am
polarity switching issue on Agilent 6495C by anastasia.edsell » Wed May 24, 2023 1:01 pm	1	164	Last post by per_oxid Wed May 24, 2023 6:18 pm
PAHs on a 5977? by chronomag » Fri Apr 07, 2023 3:11 am	3	366	Last post by -cla- Tue May 23, 2023 4:43 pm
Bizarre GC-MS repeatability problem by 100000eV » Mon May 15, 2023 2:03 pm	7	426	Last post by 100000eV Sun May 21, 2023 12:26 am
Venting 5975MSD by snolte » Mon May 15, 2023 12:11 pm	4	300	Last post by cjm Thu May 18, 2023 5:56 pm
Random drop in response during NDMA testing on LC-MS/MS by KWoody » Thu May 18, 2023 5:57 am	0	198	Last post by KWoody Thu May 18, 2023 5:57 am
Ghost peaks & bad chromatography by danastley » Tue May 09, 2023 11:05 am	1	254	Last post by JMB Tue May 09, 2023 5:36 pm
Finnigan MAT ITS 40 Software by labstephan » Sat Oct 11, 2008 7:54 pm	21	12004	Last post by Vivid_Grey Tue May 09, 2023 3:40 am
Vent Port Sampling by david.letteney » Wed May 03, 2023 6:22 pm	0	181	Last post by david.letteney Wed May 03, 2023 6:22 pm
Configuration of two columns + PSD into MSD by MICHAELCHROM1993 » Wed May 03, 2023 6:13 pm	0	152	Last post by MICHAELCHROM1993 Wed May 03, 2023 6:13 pm
di-sec-butyl ether chromatogram is 2 peaks? by LALman » Tue Apr 11, 2023 7:43 pm	2	330	Last post by LALman Mon May 01, 2023 9:56 pm
Sciex 7500 Vs Sciex 6500+ by royuae99 » Sun Apr 30, 2023 6:24 pm	0	305	Last post by royuae99 Sun Apr 30, 2023 6:24 pm
GCMS sideboard repair? by chronomag » Thu Dec 15, 2022 12:22 am	14	1016	Last post by hayem Thu Apr 27, 2023 12:19 pm
NaCl in my sample incr analyte instrumental response in lcms by antonio_rosato » Thu Apr 27, 2023 2:25 am	0	287	Last post by antonio_rosato Thu Apr 27, 2023 2:25 am
7697A to 7890B communication by pueblito » Sat Apr 08, 2023 3:18 pm	2	318	Last post by pueblito Wed Apr 26, 2023 2:18 am
LCMS peaks at hight temp by rrugama12 » Fri Apr 21, 2023 9:48 pm	1	259	Last post by JMB Tue Apr 25, 2023 6:41 pm
Extracted Ion Chromatogram Data Export, Shimadzu QP2010SE by NYChemist » Sat Apr 22, 2023 10:53 am	0	254	Last post by NYChemist Sat Apr 22, 2023 10:53 am
Cannot find the transition in GC/QQQ at a known Ret.time by Joana Pico » Sat Apr 15, 2023 1:10 am	2	489	Last post by mathieu_stability Thu Apr 20, 2023 5:43 am
multiplier by fragc2000 » Wed Apr 19, 2023 10:02 am	0	262	Last post by fragc2000 Wed Apr 19, 2023 10:02 am
CALIBRATION CURVE ICP-OES by Karol24 » Mon Apr 10, 2023 1:48 pm	2	279	Last post by Karol24 Mon Apr 17, 2023 9:48 pm
Calibration Valve 5973 always open? by mvlo » Wed Apr 12, 2023 8:26 am	2	355	Last post by James_Ball Wed Apr 12, 2023 7:22 pm
Manuals for 5972 MSD? by hokiedave92 » Sun Apr 02, 2023 12:03 am	2	341	Last post by Consumer Products Guy Sun Apr 09, 2023 1:50 pm
HP 5970B will not perform TUNE by lsmith » Tue Mar 14, 2023 12:03 am	13	728	Last post by mathieu_stability Sun Apr 09, 2023 5:45 am
Recommended Resources for Information about LCMS Modifiers by mpowals01 » Thu Mar 23, 2023 2:54 pm	4	572	Last post by per_oxid Sat Apr 08, 2023 5:34 am
Agilent 7890A/5975C by kfelling » Wed Apr 28, 2021 9:06 pm	6	2999	Last post by kfelling Wed Apr 05, 2023 9:59 pm
Agilent 5973 Tune action stopped-no peaks by megakeeper » Tue Jan 01, 2013 12:45 am	11	7207	Last post by lorenaG10 Fri Mar 31, 2023 11:11 pm
High background after preventative maintenance by JessicaLau » Wed May 06, 2020 3:49 am	6	3034	Last post by per_oxid Thu Mar 30, 2023 7:44 pm
unresponsive flow diverter valve in Sciex 5500 by JurijTrontelj » Fri Mar 17, 2023 12:38 pm	4	313	Last post by JurijTrontelj Wed Mar 22, 2023 10:38 pm
The effect of increasing interface temperature GC-MS by Karib » Sun Mar 12, 2023 7:11 pm	2	337	Last post by James_Ball Wed Mar 22, 2023 2:46 pm
Agilent Masshunter unknown analysis report template by hts123 » Tue Mar 21, 2023 3:07 am	0	276	Last post by hts123 Tue Mar 21, 2023 3:07 am
Scheduled MRM on QTRAP 4000 by Ostravaczech » Mon Mar 20, 2023 10:08 pm	0	269	Last post by Ostravaczech Mon Mar 20, 2023 10:08 pm
Obtaining mass spectra of rider peaks by jpetri79 » Thu Feb 23, 2023 2:53 pm	2	302	Last post by JMB Mon Mar 20, 2023 8:37 pm
Baseline Drop off during oven ramp by Matt Spec » Fri Feb 24, 2023 5:08 pm	2	257	Last post by mathieu_stability Wed Mar 15, 2023 7:46 am
Thermo TSQ Quantum Ultra - Help? by mburleson » Tue Oct 18, 2022 9:44 am	6	1432	Last post by trozen Tue Mar 14, 2023 4:07 am
Tuning TSQ Quantum GC for NIST libraries by lgchrom » Wed Mar 01, 2023 3:13 pm	1	238	Last post by hcs Wed Mar 08, 2023 2:02 pm
Zero air vs. pure nitrogen as ESI source gas for LC-MS/MS. by bcd_GCLCMSMS » Tue Feb 28, 2023 2:22 pm	5	437	Last post by bcd_GCLCMSMS Fri Mar 03, 2023 1:55 pm
Compound tuning by injection: Acid or Base? by danastley » Wed Mar 01, 2023 1:00 pm	2	257	Last post by James_Ball Wed Mar 01, 2023 9:42 pm
Dropping Continuous Calibration Response GCMS by PurplePeacock » Tue Feb 21, 2023 12:58 am	3	309	Last post by James_Ball Fri Feb 24, 2023 7:45 pm
Thermo DSQ II vacuum leak by Jake » Thu Feb 09, 2023 10:06 pm	3	324	Last post by Jake Wed Feb 22, 2023 10:06 pm
Internal standard selection in untargeted area normalization by francesco2995 » Wed Feb 22, 2023 2:15 pm	1	196	Last post by Steve Reimer Wed Feb 22, 2023 2:41 pm
ITSD Drift by New2QQQ » Thu Feb 09, 2023 1:50 am	4	322	Last post by Gaetan Glauser Fri Feb 17, 2023 10:04 am
Mass Spec PCB Repair? by mburleson » Sun Feb 12, 2023 12:39 pm	2	290	Last post by mburleson Wed Feb 15, 2023 4:04 pm
Trace GC - Polaris Q by lanciafiamme » Tue Feb 14, 2023 10:42 am	0	315	Last post by lanciafiamme Tue Feb 14, 2023 10:42 am
Difluoromethane by GC-MS by wss » Tue Jan 17, 2023 2:14 am	6	478	Last post by aeroPH Wed Feb 08, 2023 11:14 pm
Consistent leak problems on Thermo 1310 with ISQ 7000 by ddoerder » Thu Feb 02, 2023 2:27 pm	1	283	Last post by ddoerder Mon Feb 06, 2023 12:04 pm

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