LC-MS, GC-MS, and other - Page 91 - Chromatography Forum

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An 'Is this normal?' question GC-MS 5972 by mickygd » Mon Feb 04, 2008 7:08 pm	4	2848	Last post by Rick Mon Feb 04, 2008 9:45 pm
MS/MS of phosphocholines by JWL » Fri Feb 01, 2008 1:31 am	1	2334	Last post by yangz00g Fri Feb 01, 2008 4:10 pm
What causes MS shutdown after 18min? by wl_yang » Thu Jan 31, 2008 5:35 pm	3	2744	Last post by Peter Apps Fri Feb 01, 2008 9:30 am
LOOKING FOR LCMS USER ADVICE by Brickdust » Fri Jan 25, 2008 10:49 am	2	2659	Last post by TobiWms Tue Jan 29, 2008 4:38 pm
Position of the 70, 220 & 503 PFTBA isotopes by astroguille » Tue Jan 29, 2008 11:33 am	0	2489	Last post by astroguille Tue Jan 29, 2008 11:33 am
LC-MS texts on small molecule pharmaceutical products by mikea » Mon Jan 21, 2008 4:01 pm	1	2989	Last post by ods-at-pacific Sun Jan 27, 2008 3:22 pm
what is the reason? by che313 » Wed Jan 16, 2008 3:47 pm	8	4056	Last post by Peter Apps Thu Jan 24, 2008 9:40 am
Announcement: Formula ID with Single Quad GC/MS and LC/MS by cernobio » Wed Jan 23, 2008 9:23 pm	0	2361	Last post by cernobio Wed Jan 23, 2008 9:23 pm
Triple Quad Choices. by matthew » Thu Jan 03, 2008 5:03 am	22	8796	Last post by matthew Mon Jan 21, 2008 3:51 pm
Accuracy assessment for a standard addition LCMS method by Martens » Sun Jan 20, 2008 2:06 pm	0	2819	Last post by Martens Sun Jan 20, 2008 2:06 pm
Unknown Analyte by Stryder08 » Fri Jan 18, 2008 2:22 am	1	2446	Last post by dr_Pyrex Fri Jan 18, 2008 7:07 pm
Agilent vs. Shimadzu by pardes » Thu Dec 20, 2007 4:02 am	6	6581	Last post by Stryder08 Fri Jan 18, 2008 3:34 pm
Dionex by EtOHLabRat » Fri Jan 18, 2008 3:59 am	0	2236	Last post by EtOHLabRat Fri Jan 18, 2008 3:59 am
peaks in blank plasma by chakri » Fri Dec 21, 2007 11:15 am	3	2895	Last post by Stryder08 Thu Jan 17, 2008 2:47 am
Valproic acid: peak tailing problem by jbshan » Wed Jan 02, 2008 7:31 am	4	2733	Last post by Stryder08 Thu Jan 17, 2008 2:46 am
Precipitation Methods by Stryder08 » Thu Jan 17, 2008 2:44 am	0	2078	Last post by Stryder08 Thu Jan 17, 2008 2:44 am
[Question] Non-linear standard (calibrator) curves by Anna01 » Thu Dec 27, 2007 9:14 pm	9	4915	Last post by Stryder08 Thu Jan 17, 2008 2:41 am
Spiking recovery above 100%...why? by Anna01 » Mon Jan 14, 2008 7:56 pm	4	3137	Last post by Peter Apps Tue Jan 15, 2008 8:04 am
TSQ Quantum Access and TSQ Quantum GC by chhubert » Thu Jan 10, 2008 2:17 pm	2	2563	Last post by leadazide Mon Jan 14, 2008 3:03 pm
Protein Binding and Effects of Precipitation by brewer » Thu Jan 10, 2008 7:01 pm	1	2348	Last post by HW Mueller Mon Jan 14, 2008 10:44 am
VOC Lab improvements by vocguy » Wed Dec 26, 2007 3:56 am	2	2665	Last post by vocguy Sat Jan 12, 2008 6:25 pm
LC-MS assay for Paclitaxel by Merrin » Thu Jan 10, 2008 5:00 am	2	2612	Last post by JJG Thu Jan 10, 2008 6:19 pm
Shape of 69, 219 and 502 ions in autotune report by astroguille » Mon Jan 07, 2008 1:10 pm	9	4266	Last post by AICMM Thu Jan 10, 2008 1:22 pm
MTBE Response! by anabolic1980 » Tue Dec 25, 2007 12:03 pm	3	3274	Last post by Bigbear Wed Jan 09, 2008 5:35 pm
Deteriorated working standards by jbshan » Tue Jan 08, 2008 9:29 am	1	2362	Last post by DR Tue Jan 08, 2008 2:12 pm
Structure ID of unknowns (small molecule, metabolomics) by JWL » Fri Jan 04, 2008 6:34 pm	4	14459	Last post by JWL Mon Jan 07, 2008 7:11 pm
Meaning of precursor ions by astroguille » Mon Jan 07, 2008 11:49 am	1	3180	Last post by MIB_EO Mon Jan 07, 2008 2:02 pm
analyst 1.4.1 datafile problem by alpesh » Fri Dec 28, 2007 10:34 pm	3	3015	Last post by sassman Thu Jan 03, 2008 9:40 pm
Desloratadine by smkh » Thu Jan 03, 2008 2:29 pm	1	2357	Last post by alpesh Thu Jan 03, 2008 3:25 pm
Isomer by Chandresh K. Soni » Thu Dec 20, 2007 4:42 pm	4	3000	Last post by AICMM Sat Dec 29, 2007 6:29 pm
how to develop a lc-ms/ms method for acidic compounds plasma by GURU » Wed Dec 26, 2007 10:00 am	9	6002	Last post by Uwe Neue Sat Dec 29, 2007 1:23 am
Changing diffusion pump fan--5972 by mickygd » Thu Dec 27, 2007 7:39 pm	2	2665	Last post by mickygd Thu Dec 27, 2007 9:35 pm
No Spectrum by ta068 » Wed Dec 26, 2007 3:04 pm	0	2244	Last post by ta068 Wed Dec 26, 2007 3:04 pm
Pulling RI info from NIST library searches following GCMS by Tony » Fri Dec 21, 2007 10:43 am	2	2659	Last post by Tony Sat Dec 22, 2007 2:17 pm
GC Pm service by pat_val » Fri Dec 21, 2007 1:37 pm	2	2417	Last post by pat_val Fri Dec 21, 2007 9:11 pm
can anyone help? GC-MS HP..5972 by mickygd » Thu Dec 20, 2007 9:21 am	6	4154	Last post by mickygd Fri Dec 21, 2007 5:52 am
Gasoline Range Organics by HeadSpace by ableich » Tue Dec 18, 2007 10:03 pm	2	2703	Last post by AICMM Thu Dec 20, 2007 4:29 pm
Baseline rise with T-programming by Roxanne42 » Mon Dec 17, 2007 9:57 pm	1	2629	Last post by AICMM Tue Dec 18, 2007 4:37 pm
who possesses AB API 4000 instrument manual by vicou_chen » Sun Dec 16, 2007 3:38 am	4	3372	Last post by vicou_chen Tue Dec 18, 2007 3:12 pm
GPC Calibration by Jaries » Mon Dec 17, 2007 6:59 pm	1	2494	Last post by Uwe Neue Tue Dec 18, 2007 2:15 am
System problems? by JDR » Mon Dec 17, 2007 4:51 pm	1	2456	Last post by sassman Mon Dec 17, 2007 9:49 pm
Difference between API source and Waters HPLC-MS source by vicou_chen » Mon Dec 17, 2007 3:29 am	1	2582	Last post by Kostas Petritis Mon Dec 17, 2007 6:14 pm
splitter advice by mariojon » Fri Dec 14, 2007 5:41 am	3	3105	Last post by H.Thomas Mon Dec 17, 2007 7:53 am
[question] standard curves of mixture standards by dhan » Thu Dec 13, 2007 5:56 pm	1	2374	Last post by Mary Carson Thu Dec 13, 2007 8:50 pm
unidentifed high background peak! Please help! by Euhalojags » Thu Dec 13, 2007 5:14 pm	0	2144	Last post by Euhalojags Thu Dec 13, 2007 5:14 pm
Thermo LXQ and Waters Alliance 2695 + 2487 connexion by pac74631 » Wed Dec 12, 2007 11:20 am	1	2483	Last post by MS made easy Thu Dec 13, 2007 4:59 pm
Automated SPME of VOAs by ableich » Mon Dec 10, 2007 4:02 am	2	2588	Last post by djletin Thu Dec 13, 2007 2:41 pm
Problem with autotune in MSD 5973 by astroguille » Tue Nov 20, 2007 6:21 pm	5	3417	Last post by Ron Wed Dec 12, 2007 1:11 am
no peaks!! by che313 » Mon Dec 10, 2007 4:31 pm	2	2785	Last post by Peter Apps Tue Dec 11, 2007 8:08 am
GC-MS loss of sensitivity via HS by i44ran » Mon Oct 29, 2007 1:32 pm	10	4279	Last post by JI2002 Mon Dec 10, 2007 7:56 pm

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