LC-MS, GC-MS, and other - Chromatography Forum

Post a new topic

5337 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	12099	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Stay ahead and improve your skills! Our team will send you tailored information on new separation science methods and applications!

Register now with your professional email address.

Topics	Replies	Views	Last post
Please read this! by tom jupille » Thu Mar 11, 2021 7:17 pm	0	11888	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	11840	Last post by tom jupille Thu Mar 11, 2021 6:42 pm
Air/Water check, isotope ratio by MichaelVW » Thu Jun 01, 2023 5:56 pm	2	143	Last post by James_Ball Wed Jun 07, 2023 2:30 pm
Low Response on Waters TQ-S Cronos by KWoody » Wed Jun 07, 2023 6:08 am	0	39	Last post by KWoody Wed Jun 07, 2023 6:08 am
tuning differences between Agilent and Thermo by -cla- » Mon Jun 05, 2023 2:52 pm	1	158	Last post by mathieu_stability Tue Jun 06, 2023 1:21 pm
Molecular peaks at EI GC-MS of solvents by Vivid_Grey » Fri May 05, 2023 7:34 am	6	548	Last post by Vivid_Grey Fri Jun 02, 2023 3:36 pm
method guidelines for publications by ablake18 » Sun May 21, 2023 4:03 pm	3	263	Last post by Peter Apps Fri Jun 02, 2023 11:53 am
Velos Pro LTQ calibration issue by ear0036 » Tue May 02, 2023 7:27 pm	1	324	Last post by lmh Wed May 31, 2023 3:52 pm
A copy of Masshunter B.02.00 by analityk25_ » Sun Apr 23, 2023 9:14 pm	5	655	Last post by mathieu_stability Wed May 31, 2023 4:57 am
Compound detectability by mattcake » Fri May 19, 2023 10:51 am	3	349	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	194	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	382	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	458	Last post by 100000eV Sun May 21, 2023 12:26 am
Venting 5975MSD by snolte » Mon May 15, 2023 12:11 pm	4	314	Last post by cjm Thu May 18, 2023 5:56 pm
Ghost peaks & bad chromatography by danastley » Tue May 09, 2023 11:05 am	1	272	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	12019	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	190	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	161	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	334	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	315	Last post by royuae99 Sun Apr 30, 2023 6:24 pm
GCMS sideboard repair? by chronomag » Thu Dec 15, 2022 12:22 am	14	1029	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	293	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	322	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	266	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	258	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	500	Last post by mathieu_stability Thu Apr 20, 2023 5:43 am
multiplier by fragc2000 » Wed Apr 19, 2023 10:02 am	0	267	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	287	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	362	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	346	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	732	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	586	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	3011	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	7227	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	3042	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	317	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	351	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	284	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	278	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	306	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	262	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	1442	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	247	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	447	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	268	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	322	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	338	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	203	Last post by Steve Reimer Wed Feb 22, 2023 2:41 pm
ITSD Drift by New2QQQ » Thu Feb 09, 2023 1:50 am	4	335	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	298	Last post by mburleson Wed Feb 15, 2023 4:04 pm

Post a new topic

5337 topics

Return to Board Index

Who is online

In total there is 1 user online :: 0 registered, 0 hidden and 1 guest (based on users active over the past 5 minutes)
Most users ever online was 1117 on Mon Jan 31, 2022 2:50 pm

Users browsing this forum: No registered users and 1 guest

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Latest Blog Posts from Separation Science

Separation Science offers free learning from the experts covering methods, applications, webinars, eSeminars, videos, tutorials for users of liquid chromatography, gas chromatography, mass spectrometry, sample preparation and related analytical techniques.

Subscribe to our eNewsletter with daily, weekly or monthly updates: Food, Environmental, (Bio)Pharmaceutical, Bioclinical, Liquid Chromatography, Gas Chromatography and Mass Spectrometry.