LC-MS, GC-MS, and other - Page 13 - Chromatography Forum

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Topics	Replies	Views	Last post
Method development: oral fluid LCMS by bruk68 » Mon Feb 03, 2020 11:43 am	1	3260	Last post by lmh Mon Feb 03, 2020 2:28 pm
bad shape of 502 and a lot of peaks on tune 5975 by dsarf » Tue Feb 25, 2014 2:25 am	25	29513	Last post by aldehyde Sat Feb 01, 2020 10:20 pm
I'm going to buy a new GCMS. Which one? Help please... by kerem.canli » Sun Sep 22, 2019 7:25 pm	8	8491	Last post by aldehyde Sat Feb 01, 2020 10:13 pm
Agilent GCMS QQQ 7000 trouble by EdgarSe16 » Fri Oct 04, 2019 7:06 pm	2	4279	Last post by aldehyde Sat Feb 01, 2020 10:07 pm
Alumina for MS rod/lens cleaning by JMB » Thu Jan 23, 2020 6:37 pm	2	3622	Last post by JMB Fri Jan 24, 2020 10:57 pm
E2M2 making intermittent grindng noise by MSCHemist » Thu Dec 19, 2019 4:18 pm	4	3849	Last post by James_Ball Wed Jan 22, 2020 10:50 pm
P&T Surrogate recovery RSD's better on CCVs than on blanks by LALman » Fri Jan 10, 2020 12:14 am	3	3979	Last post by James_Ball Thu Jan 16, 2020 11:02 pm
Benzidine peak too Low in GCMS- EPA 8270E by hts123 » Wed Jan 08, 2020 7:48 am	2	3996	Last post by James_Ball Wed Jan 08, 2020 8:43 pm
Quattro Premier XE - no high voltages by fzawadiak » Tue Jan 07, 2020 6:48 pm	1	3056	Last post by fzawadiak Tue Jan 07, 2020 7:01 pm
Varian 300-MS GC-MS-MS Turbo Pump by benhutcherson » Fri Dec 06, 2019 5:49 pm	19	6600	Last post by benhutcherson Mon Jan 06, 2020 4:55 pm
Question on Masshunter data processing by xutang2000 » Thu Aug 22, 2019 8:17 pm	3	4685	Last post by xutang2000 Thu Jan 02, 2020 7:32 pm
Helium just doubled in price! by LALman » Tue Oct 01, 2019 12:34 am	17	8069	Last post by MSCHemist Thu Jan 02, 2020 5:48 pm
Running H2 on 5890/5971 GC-MS OK? by LALman » Sat Sep 07, 2019 2:28 am	11	5433	Last post by James_Ball Mon Dec 30, 2019 6:24 pm
slicer on Agilent 6540 by lav877 » Thu Dec 26, 2019 2:43 am	1	3309	Last post by Ian_R Sat Dec 28, 2019 3:24 pm
flow splitter für HPLC-PDA/MS by __Alchemist__ » Tue Oct 22, 2019 7:57 am	7	5113	Last post by mckrause Sat Dec 28, 2019 2:44 am
Further fragmentation of 74 ion by bobs » Tue Dec 17, 2019 2:44 am	6	3700	Last post by JMB Thu Dec 19, 2019 5:05 pm
MS library by Andrew Fahim » Mon Jul 29, 2019 11:20 am	2	4618	Last post by ods-at-pacific Wed Dec 18, 2019 5:31 pm
Agilent 7000B frozen - how to manually vent? by nate213 » Mon Dec 09, 2019 10:00 pm	7	6230	Last post by aldehyde Wed Dec 18, 2019 12:50 pm
ICP-MS: Babington vs Crossflow Nebulisers by Yowie » Wed Nov 27, 2019 10:35 am	1	3482	Last post by LALman Thu Dec 12, 2019 9:48 pm
Quantification of isomers using TargetLynx 4.1 by Carolina Noble » Mon Dec 09, 2019 7:36 pm	2	3229	Last post by Carolina Noble Thu Dec 12, 2019 8:07 pm
inconsistent area counts gc-ms pesticides method by ABMS8783 » Tue Dec 03, 2019 1:00 pm	10	4890	Last post by James_Ball Tue Dec 10, 2019 8:29 pm
Helium woes by Bigbear » Mon Nov 04, 2019 2:07 pm	24	8913	Last post by benhutcherson Sun Dec 08, 2019 10:03 pm
GC MS 5973N foreline pump turns off. Won't pump down. by chemist23 » Wed Oct 30, 2019 6:17 pm	6	5315	Last post by aldehyde Fri Dec 06, 2019 3:39 am
Wavy baseline on Agilent GC-MS (5977/7820) by Oatsandbeans » Sun Nov 03, 2019 12:56 pm	2	4772	Last post by aldehyde Fri Dec 06, 2019 3:37 am
Anthracene problems with detection by chronomag » Mon Dec 02, 2019 8:15 pm	6	3812	Last post by James_Ball Tue Dec 03, 2019 8:58 pm
Agilent 6460 LC MS/MS ESI AJS instrument auto tune/check tun by heykiwi89 » Tue Dec 03, 2019 7:49 am	0	4067	Last post by heykiwi89 Tue Dec 03, 2019 7:49 am
Agilent 6460 LC MS/MS ESI AJS instrument check tune fail by heykiwi89 » Tue Aug 27, 2019 8:39 am	3	6149	Last post by heykiwi89 Tue Dec 03, 2019 7:45 am
Agilent MassHunter Software Report Editing by Kacie » Wed Nov 27, 2019 5:14 pm	0	4132	Last post by Kacie Wed Nov 27, 2019 5:14 pm
Method TO-17 Volatiles in Air GC/MS by Kacie » Tue Oct 01, 2019 4:34 pm	5	4591	Last post by Kacie Wed Nov 27, 2019 5:07 pm
UPLC-MS QTOF pressure drop every 15 seconds by chemist23 » Tue Nov 26, 2019 6:18 pm	1	3269	Last post by James_Ball Tue Nov 26, 2019 6:31 pm
ICPMS - selection of carbon source for Selenium analysis. by Yowie » Tue Nov 26, 2019 1:12 pm	1	3266	Last post by Gizmo Tue Nov 26, 2019 4:34 pm
GC/MS Xcalibur and Chromeleon. by Henrylozano » Thu Nov 14, 2019 3:21 pm	0	4830	Last post by Henrylozano Thu Nov 14, 2019 3:21 pm
Troobleshooting LCMS THC-COOH in urine by Förbrylium » Fri Apr 12, 2019 6:52 am	9	6271	Last post by Förbrylium Tue Nov 12, 2019 9:15 am
Varian 3800/1200L On H2(and other general questions) by benhutcherson » Tue Sep 10, 2019 2:45 am	3	4597	Last post by tdgcuser Mon Nov 11, 2019 5:11 pm
5975C Service Manual by Boliver Shagnast » Thu Nov 07, 2019 4:34 pm	1	4097	Last post by Henrylozano Sun Nov 10, 2019 1:58 am
Neopterin quantify by UHPLC/MS/MS by katie202 » Thu Oct 31, 2019 11:12 am	2	3707	Last post by lmh Wed Nov 06, 2019 4:53 pm
ion pairing agent in the sample diluent by Gaetan Glauser » Thu Oct 24, 2019 2:04 pm	8	4540	Last post by lmh Thu Oct 31, 2019 5:27 pm
Power Failure GCMS by handlovic » Tue Oct 29, 2019 3:32 am	4	4331	Last post by James_Ball Wed Oct 30, 2019 9:26 pm
Interesting experiment with Nitrogen Carrier by James_Ball » Thu Oct 24, 2019 9:42 pm	2	3588	Last post by James_Ball Tue Oct 29, 2019 9:32 pm
524.2 Instrument Question by Bigbear » Fri Oct 25, 2019 12:17 pm	4	3672	Last post by James_Ball Tue Oct 29, 2019 9:28 pm
Multimode source (Agilent) issue by Trishia » Fri Oct 25, 2019 8:45 pm	1	3833	Last post by Ian_R Sat Oct 26, 2019 3:16 am
Reviews on "Interpretation of Mass Spectra" by McLafferty? by echae » Wed Jul 25, 2012 4:57 am	4	23267	Last post by HamishBennett Fri Oct 25, 2019 12:04 pm
book on infrared spectroscopy; focus on interpretation by MestizoJoe » Wed Jun 19, 2013 8:01 pm	5	24178	Last post by HamishBennett Fri Oct 25, 2019 11:56 am
Internal standards in LC-MS/MS analysis by RoshanAppa » Wed Oct 23, 2019 12:44 pm	2	4113	Last post by James_Ball Wed Oct 23, 2019 3:46 pm
CI Gas Plumbing-Stainless vs. PTFE by benhutcherson » Sat Oct 19, 2019 10:33 pm	4	5858	Last post by James_Ball Wed Oct 23, 2019 3:33 pm
Mass spec fundamentals - quad parameters by LabRat010101 » Wed Oct 09, 2019 6:22 pm	4	10737	Last post by lmh Wed Oct 23, 2019 9:34 am
Chromeleon 6.8 MS Control by 4g63t » Tue Oct 22, 2019 6:51 pm	0	4104	Last post by 4g63t Tue Oct 22, 2019 6:51 pm
Anyone running EPA 548.1 for endothall? by andrew ryder » Tue Oct 15, 2019 11:56 pm	3	3969	Last post by James_Ball Thu Oct 17, 2019 5:45 pm
5973 MSD atune problems by dzhang1 » Mon Oct 07, 2019 9:34 pm	7	5010	Last post by MSCHemist Wed Oct 16, 2019 1:50 pm
GC MS Post Run Analysis by gelconcepcion » Mon Oct 07, 2019 8:33 pm	8	4906	Last post by ScientiaPotentiaEst Wed Oct 09, 2019 8:05 pm

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