LC-MS, GC-MS, and other - Page 41 - Chromatography Forum

Post a new topic

5518 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	120953	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
Agilent 1946D tuning error by ccahalane » Thu May 08, 2014 4:02 pm	0	3194	Last post by ccahalane Thu May 08, 2014 4:02 pm
Are there any MassLynx v4.0 still left out there?? by MHANLEY » Tue Apr 29, 2014 3:02 pm	2	2947	Last post by carras Wed May 07, 2014 12:47 pm
Dionex USB interface by trozen » Thu May 01, 2014 10:37 am	19	7927	Last post by trozen Thu Jun 12, 2014 8:14 am
Cone voltage on Quattro Ultima Pt by bunnahabhain » Mon Oct 28, 2013 3:46 pm	5	3302	Last post by bunnahabhain Mon May 05, 2014 11:03 am
analysis of boric acid by LC-MS by emanuele.scollo » Sat Oct 20, 2012 8:54 am	6	7843	Last post by JMB Fri May 02, 2014 5:47 pm
LC-MS/MS - Change of matrix - problems!!!! by smartin » Thu Apr 10, 2014 10:48 am	14	4967	Last post by emeulman Thu May 01, 2014 1:59 pm
Unprompted venting of MS roughing pumps by hlflemng » Fri Apr 25, 2014 3:59 pm	2	3030	Last post by Don_Hilton Thu May 01, 2014 11:37 am
HPLC-ESI-MS/MS Unwanted Peaks even with only cleaning MeOH by durdantoo » Thu Aug 01, 2013 5:23 pm	1	2757	Last post by carlo.annaratone Wed Apr 30, 2014 1:19 pm
calibration of mass spectrometer by catlover » Wed Apr 30, 2014 8:56 am	1	5259	Last post by carlo.annaratone Wed Apr 30, 2014 1:10 pm
Power's out... by MichaelVW » Fri Apr 25, 2014 10:20 pm	4	3799	Last post by MichaelVW Tue Apr 29, 2014 7:05 pm
Peaks in solvent blank by Davidantony » Sun Apr 27, 2014 7:25 am	2	3558	Last post by shiva_kant Tue Apr 29, 2014 4:36 pm
Waters LCT premier gas requirements by Mikaelalfredsson » Thu Apr 24, 2014 11:46 am	1	2530	Last post by carlo.annaratone Tue Apr 29, 2014 3:01 pm
Co-eluting peaks in GC/MS by alexandros » Thu Apr 10, 2014 8:07 am	8	9369	Last post by Bigbear Fri Apr 25, 2014 12:44 pm
GC/IRMS Thermo Delta V High Mass 18 & 30 by segaloco » Wed Apr 16, 2014 7:33 pm	3	3997	Last post by segaloco Thu Apr 24, 2014 6:32 pm
Service contractor for Bruker GC/MS? by GCMSNoob » Wed Apr 23, 2014 5:13 pm	3	3587	Last post by GCMSNoob Thu Apr 24, 2014 5:58 pm
LCMS unknown background ions/contaminant peaks by bisnettrj2 » Tue Mar 18, 2014 4:18 am	5	5639	Last post by bisnettrj2 Wed Apr 23, 2014 7:46 pm
How to apply lock mass correction to continuum data? by cherry » Mon Nov 25, 2013 10:25 pm	1	4056	Last post by carlo.annaratone Wed Apr 23, 2014 7:34 pm
m/z value lcms by joey99 » Tue Apr 22, 2014 12:19 pm	2	3005	Last post by carlo.annaratone Wed Apr 23, 2014 6:23 pm
EICs - how many ions to select by bethlynn » Sun Apr 20, 2014 1:11 am	5	3538	Last post by carlo.annaratone Wed Apr 23, 2014 6:16 pm
2-CEVE Issue on GC/MS by Jaclyn » Fri Apr 18, 2014 5:12 pm	4	4843	Last post by James_Ball Wed Apr 23, 2014 2:55 pm
Partition Coeffecient by ziarehmann » Wed Apr 23, 2014 12:15 pm	3	2537	Last post by Peter Apps Wed Apr 23, 2014 1:19 pm
G1946d by jiangds06 » Wed Mar 19, 2014 1:53 pm	1	2488	Last post by lcgcscientific Wed Apr 23, 2014 3:50 am
Sensitivity drop in 6410 qqq LC-MS system by JTDR » Tue Apr 22, 2014 9:47 am	0	2711	Last post by JTDR Tue Apr 22, 2014 9:47 am
Convert my 5975C Pfeiffer Tubro to an Edwards by AIM » Mon Apr 21, 2014 10:27 pm	0	2899	Last post by AIM Mon Apr 21, 2014 10:27 pm
GC/MS Large volume hexane injection overwhelm vacuum? by MSCHemist » Tue Apr 08, 2014 8:05 pm	6	3988	Last post by MSCHemist Fri Apr 18, 2014 6:38 pm
Sciex 5500 QTrap Potential Electronic Problem by ddjchemist » Tue Apr 08, 2014 10:24 pm	1	4709	Last post by kerri Fri Apr 18, 2014 1:39 pm
connection Waters Acquity to Q-Exactive Thermo by AniaP » Wed Apr 16, 2014 11:54 am	1	3268	Last post by trozen Thu Apr 17, 2014 7:12 pm
GC-MS issue by maldiniyan » Thu Apr 03, 2014 7:03 pm	9	4318	Last post by James_Ball Thu Apr 17, 2014 6:37 pm
Varian 325 MS Analog output by software_zvk » Tue Apr 15, 2014 8:24 am	0	2690	Last post by software_zvk Tue Apr 15, 2014 8:24 am
MSD E.02.02 glitch by revathiest » Tue Mar 11, 2014 3:02 pm	2	3209	Last post by revathiest Mon Apr 14, 2014 10:37 pm
GC-MS Split Peaks by Banzo » Wed Apr 02, 2014 2:13 pm	8	8514	Last post by Banzo Mon Apr 14, 2014 2:31 pm
GC-MS Baseline drift downward by IdiotFool » Thu Mar 27, 2014 12:50 pm	5	4577	Last post by IdiotFool Wed Apr 09, 2014 2:32 pm
LC-MS/MS method for polar compounds by pramodkollu » Fri Nov 15, 2013 3:40 pm	5	3984	Last post by ddjchemist Tue Apr 08, 2014 10:34 pm
Masslynx response or Area by carol » Tue Apr 08, 2014 1:28 pm	2	3558	Last post by carol Thu Apr 10, 2014 7:57 am
Help me, the problem of vacuum system (VARIAN, Saturn 2200). by tranngocdinh » Thu Feb 13, 2014 3:20 am	1	2637	Last post by Jonezy_Lothos Fri Apr 04, 2014 7:12 pm
Varian Saturn 2000 - Ionization Failed not reaching 100uA by newbie1 » Sun Feb 16, 2014 12:25 am	1	3099	Last post by Jonezy_Lothos Fri Apr 04, 2014 7:07 pm
GC mass analysis with packed column by Chandresh K. Soni » Wed Apr 02, 2014 9:00 am	7	3263	Last post by Chandresh K. Soni Fri Apr 04, 2014 5:34 am
Why would my pressure drop during bfb injection? by CarltonPHX » Thu Apr 03, 2014 2:16 am	6	2857	Last post by Peter Apps Thu Apr 03, 2014 7:42 pm
Big Universal Trap vs. Replacement Triple Trap by BobCA » Tue Mar 25, 2014 10:03 pm	2	2974	Last post by James_Ball Tue Apr 01, 2014 10:01 pm
Column snaps in transfer line by GCMS-ISRP » Tue Jan 14, 2014 2:33 pm	6	4795	Last post by GCMS-ISRP Thu Mar 27, 2014 9:39 am
No ion flow during detector gain calibration? Thermo MSQ by glr123 » Tue Mar 25, 2014 8:32 pm	1	2656	Last post by glr123 Thu Mar 27, 2014 12:01 am
agaric acid by Davidantony » Tue Nov 05, 2013 3:04 pm	2	7999	Last post by svs4840 Wed Mar 26, 2014 5:55 am
HELP WITH INCONSISTENT AND FLUCTUATING SIGNAL ON LC/MS/MS by shemesh199 » Sun Mar 23, 2014 4:06 am	3	9342	Last post by shemesh199 Wed Mar 26, 2014 3:31 am
Influence temperature on results by martijn1986 » Mon Mar 24, 2014 3:10 pm	2	2685	Last post by bunnahabhain Tue Mar 25, 2014 8:36 am
Problem with detecting last 3 PAHs - SOLVED by wraymogg » Fri Feb 28, 2014 8:01 pm	22	8131	Last post by Peter Apps Sat Mar 22, 2014 6:36 am
non-targeting screening with orbit rap by che313 » Mon Mar 17, 2014 6:26 pm	2	2710	Last post by leadazide Fri Mar 21, 2014 8:42 pm
Purchase of UPLC-MS by Star Stella » Fri Mar 14, 2014 1:34 pm	3	2747	Last post by Klaus I. Fri Mar 21, 2014 3:45 pm
Perkin Elmer Clarus 500 GC/MS system by hunter » Thu May 05, 2011 4:21 pm	1	4344	Last post by maurice.sommer84 Fri Mar 21, 2014 10:53 am
GC-DSQ II by ysalka » Thu Mar 20, 2014 10:44 pm	0	3027	Last post by ysalka Thu Mar 20, 2014 10:44 pm
Natural Gas Liquids analysis by GCMS? by seamoro » Wed Mar 12, 2014 11:33 pm	3	3590	Last post by muGC Thu Mar 20, 2014 2:45 pm

Post a new topic

5518 topics

Return to Board Index

Who is online

In total there are 23 users online :: 0 registered, 0 hidden and 23 guests (based on users active over the past 5 minutes)
Most users ever online was 11462 on Mon Dec 08, 2025 9:32 pm

Users browsing this forum: No registered users and 23 guests

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 & Beverage, Environmental, (Bio)Pharmaceutical, Bioclinical, Liquid Chromatography, Gas Chromatography and Mass Spectrometry.

Liquid Chromatography

Gas Chromatography

Mass Spectrometry

Home
Contact us
Delete cookies
All times are UTC

Related Sites

Separation Science

Analytical Training Solutions

Registration

Log in

Part of Separation Science