LC-MS, GC-MS, and other - Page 12 - Chromatography Forum

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Topics	Replies	Views	Last post
Carryover in LC-MS/MS (MRM) Ceramides by Eddy_unisa » Tue May 05, 2020 6:10 pm	3	3784	Last post by trozen Wed May 06, 2020 5:12 pm
Image (backup) from intenal hard disk drive for agilent 6210 by ammarchabok » Fri May 01, 2020 4:33 am	1	3274	Last post by Multidimensional Sun May 03, 2020 11:56 pm
Do you plumb your carrier gas like this RESTEK post? by LALman » Wed Apr 15, 2020 8:33 pm	2	3521	Last post by LALman Wed Apr 29, 2020 4:01 pm
5975C Problem by Boliver Shagnast » Thu Aug 15, 2019 4:52 pm	8	5405	Last post by peter36.england Tue Apr 28, 2020 8:16 am
MCPA analysis in Black Tea using LC-MS/MS. by Indumini » Mon Mar 23, 2020 10:12 am	3	4332	Last post by Gochers Thu Apr 23, 2020 3:59 pm
Chloromethane/Bromomethane contamination by DReggio » Wed Jul 13, 2016 10:24 pm	18	10914	Last post by James_Ball Thu Apr 23, 2020 2:24 pm
Unstable signals in LC-MS/MS by shicate » Sun Sep 24, 2017 3:23 pm	5	9549	Last post by AlliPlatt Tue Apr 21, 2020 5:14 pm
5973 Filaments in a 5972 by benhutcherson » Tue Apr 21, 2020 3:04 pm	0	3867	Last post by benhutcherson Tue Apr 21, 2020 3:04 pm
Cleaning the lenses in a Shimadzu QP2020 by KevinBe » Sun Apr 19, 2020 7:00 pm	0	4532	Last post by KevinBe Sun Apr 19, 2020 7:00 pm
6470 QQQ ESI SCAN by ksutlsdnr » Fri Apr 17, 2020 1:07 am	1	3394	Last post by James_Ball Fri Apr 17, 2020 1:57 pm
HED Fault by Dimitri » Thu Dec 04, 2014 6:32 pm	3	8630	Last post by peter36.england Thu Apr 16, 2020 12:31 pm
Why would our Standard Produce 2 resolved peaks by jjp2985 » Tue Apr 14, 2020 10:23 pm	1	3548	Last post by James_Ball Wed Apr 15, 2020 6:36 pm
Thermo Vanquish Core/ISQ-EC vs Agilent 1260/MSD iQ by mrc_1979 » Fri Apr 03, 2020 10:57 pm	2	4806	Last post by mrc_1979 Tue Apr 14, 2020 9:27 pm
5973 temeprature control fault by rv3 » Wed Sep 23, 2015 8:51 pm	10	9682	Last post by LALman Mon Apr 13, 2020 7:37 pm
Ms locked by Masshunter by pkotoku » Tue Apr 07, 2020 2:52 pm	1	3738	Last post by James_Ball Thu Apr 09, 2020 8:54 pm
Bruker Scion by hermo71 » Fri Jul 08, 2011 2:28 pm	10	8882	Last post by Abusnobar Mon Apr 06, 2020 10:42 pm
Shutting Down GC-MS System by PUI Prof » Wed Oct 10, 2018 12:59 pm	11	15450	Last post by James_Ball Mon Apr 06, 2020 3:53 pm
ISTD Problems w/ TD-GC-MS running EPA Method TO-15 by dank-voc-chem » Mon Mar 30, 2020 5:52 pm	6	4051	Last post by tdgcuser Sun Apr 05, 2020 1:50 pm
GC-MS Shutdown Due to COVID-19 by handlovic » Thu Mar 19, 2020 6:27 pm	4	3900	Last post by mrc_1979 Sat Apr 04, 2020 12:06 am
AMDIS by AIS » Tue Mar 31, 2020 12:37 pm	0	3709	Last post by AIS Tue Mar 31, 2020 12:37 pm
Agilent repair service contract by Thearubigena » Thu Oct 05, 2017 9:36 am	18	17236	Last post by Consumer Products Guy Thu Mar 26, 2020 7:53 pm
450GC by Labshak » Thu Mar 14, 2019 2:24 am	1	4019	Last post by labtechjer Thu Mar 26, 2020 6:27 pm
QQQ for Newborn screening by Hazhar » Thu Mar 19, 2020 1:15 pm	3	3254	Last post by canerdgn Wed Mar 25, 2020 6:07 am
QUATTRO MICRO CONNECTION PROBLEM WITH AGILENT 1200 by vatadim » Mon Apr 02, 2012 11:28 am	2	3758	Last post by Hazhar Tue Mar 24, 2020 7:12 pm
Agilent 1200 and masslynx by Hazhar » Tue Mar 24, 2020 6:41 pm	0	3570	Last post by Hazhar Tue Mar 24, 2020 6:41 pm
LC-MS - lactic acid by magee » Fri Mar 20, 2020 8:31 am	2	3986	Last post by James_Ball Mon Mar 23, 2020 7:01 pm
Direct connection of a Saturn 2200 MS by johnelling » Mon Feb 24, 2020 11:29 pm	5	3863	Last post by benhutcherson Thu Mar 19, 2020 11:50 pm
GCMS- Tekmar 3000 dual concentrator. Naphthalene recoveries by Kel885 » Wed Mar 18, 2020 3:10 pm	1	3036	Last post by James_Ball Wed Mar 18, 2020 5:26 pm
Varian/Bruker 320 MS last chance by Peter Apps » Fri Feb 28, 2020 12:46 pm	19	5644	Last post by Peter Apps Tue Mar 17, 2020 7:31 pm
High 233/235 background with Methane NCI by benhutcherson » Fri Mar 06, 2020 1:50 am	12	7262	Last post by benhutcherson Sun Mar 15, 2020 3:37 am
GC-MS discrimination / poor reproducibility by benzech » Tue Mar 03, 2020 5:25 pm	13	5927	Last post by James_Ball Thu Mar 12, 2020 9:04 pm
GC-MS detector voltage increasing after cleaning... by KevinBe » Wed Mar 04, 2020 9:26 pm	14	6351	Last post by James_Ball Mon Mar 09, 2020 5:53 pm
LC-MS/MS QQQ Agilent vs Waters vs Thermo Fisher for PFAs by jeffsmitheverybody » Thu Mar 05, 2020 1:16 am	0	5547	Last post by jeffsmitheverybody Thu Mar 05, 2020 1:16 am
Peak 28 ! Help me ! by Albertospd » Thu Feb 27, 2020 8:19 pm	6	3868	Last post by aldehyde Wed Mar 04, 2020 11:51 pm
Surrogate response factors by jmsec » Wed Mar 04, 2020 1:52 pm	1	3771	Last post by James_Ball Wed Mar 04, 2020 10:18 pm
After adding the internal standard, the RSD become worse by alison1523 » Sat Feb 29, 2020 5:49 am	4	3509	Last post by alison1523 Tue Mar 03, 2020 4:02 am
LC-MS/MS for sugars by mariia.maak » Thu Feb 20, 2020 11:01 pm	5	5025	Last post by JMB Mon Mar 02, 2020 7:15 pm
lcms for nucleotides... by queediab » Mon Feb 24, 2020 11:43 pm	0	3532	Last post by queediab Mon Feb 24, 2020 11:43 pm
Weighing of SD/average of LC retention time in RSD% by holmerz » Mon Feb 17, 2020 11:15 am	2	3696	Last post by holmerz Mon Feb 24, 2020 11:04 am
Agilent 5975T - first GC/MS purchase by janoshik » Sat Nov 30, 2019 2:31 pm	34	10221	Last post by benhutcherson Fri Feb 14, 2020 1:07 am
Is anyone doing perfloroalkoxyacids? by LALman » Mon Feb 10, 2020 11:13 pm	1	3095	Last post by James_Ball Thu Feb 13, 2020 10:40 pm
5971 no source current but filaments fine by LALman » Thu Feb 06, 2020 11:30 pm	3	3362	Last post by James_Ball Thu Feb 13, 2020 10:36 pm
Limit of Detection and Extrapolation by arussell3483 » Wed Jan 08, 2020 11:39 pm	4	4954	Last post by LALman Wed Feb 12, 2020 5:12 pm
Agilent 5977 GC-MS: High O2, low N2? by jwgcms » Mon Jan 06, 2020 10:26 am	11	7212	Last post by BMU_VMW Wed Feb 12, 2020 8:29 am
MS Workstation 7.0.1 - Suspended Automation by dflores » Wed Feb 05, 2020 8:04 pm	0	3479	Last post by dflores Wed Feb 05, 2020 8:04 pm
Masshunter arrange compounds by -> user defined by BMU_VMW » Wed Feb 05, 2020 3:00 pm	1	3451	Last post by James_Ball Wed Feb 05, 2020 5:22 pm
Method development: oral fluid LCMS by bruk68 » Mon Feb 03, 2020 11:43 am	1	3170	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	29209	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	8217	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	4186	Last post by aldehyde Sat Feb 01, 2020 10:07 pm

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