LC-MS, GC-MS, and other - Page 100 - Chromatography Forum

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Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	120937	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
Method for alkoxylated amines by eljoe » Mon Nov 20, 2006 5:37 pm	2	3525	Last post by Uwe Neue Mon Nov 20, 2006 11:28 pm
Peak tailing for quaternary ammonium compound on C18 column by chhubert » Sun Nov 12, 2006 11:37 am	14	7843	Last post by chhubert Sat Nov 18, 2006 1:30 pm
TraceGC TraceDSQ(MS) detector gain calibration failure by mezek » Tue Sep 26, 2006 10:56 am	3	5346	Last post by jsn80 Thu Nov 16, 2006 5:36 pm
Protein analysis by ananda » Wed Nov 15, 2006 10:09 pm	0	4049	Last post by ananda Wed Nov 15, 2006 10:09 pm
Water in GC-MS by eljoe » Wed Nov 15, 2006 1:39 pm	0	3017	Last post by eljoe Wed Nov 15, 2006 1:39 pm
Quantification in LCMS - RFs for mass vs concentration by Tony » Mon Nov 13, 2006 12:18 pm	4	4846	Last post by Tony Wed Nov 15, 2006 10:53 am
diclofenac + or - by Maristela » Sat Nov 11, 2006 8:56 pm	4	3800	Last post by Uwe Neue Tue Nov 14, 2006 5:12 pm
IT vs SQ or TOF? by josebenjamin » Mon Nov 13, 2006 9:11 pm	1	3233	Last post by MDX Tue Nov 14, 2006 1:22 am
When is a N2 generator is needed? by josebenjamin » Fri Nov 10, 2006 4:29 pm	5	4350	Last post by josebenjamin Mon Nov 13, 2006 9:06 pm
LCMSMS tuning 1,6-hexanediamine by jimmyhu » Mon Nov 13, 2006 4:35 am	0	3257	Last post by jimmyhu Mon Nov 13, 2006 4:35 am
FTIR Nicolet Protege 460 problems by josebenjamin » Thu Nov 09, 2006 5:57 pm	0	3120	Last post by josebenjamin Thu Nov 09, 2006 5:57 pm
LC/MS of small peptides by dcobice » Wed Nov 08, 2006 10:42 pm	0	3181	Last post by dcobice Wed Nov 08, 2006 10:42 pm
sample concentration for mass spectrometer by mariojon » Mon Nov 06, 2006 12:53 pm	2	3362	Last post by MIB_EO Tue Nov 07, 2006 9:59 am
LC-TOF: LCT-Premier (Waters) vs 6210 (Agilent) by ortelli » Wed Oct 25, 2006 3:15 pm	3	4408	Last post by james little Thu Nov 02, 2006 4:15 am
COLUMN SATURATION by Maristela » Tue Oct 10, 2006 1:41 pm	7	8144	Last post by Andy Maljevic Tue Oct 31, 2006 5:23 am
HPLC of glutamate dehydrogenase by mariojon » Fri Oct 27, 2006 4:22 pm	2	3749	Last post by Uwe Neue Fri Oct 27, 2006 5:08 pm
Mass spectrometer by mariojon » Fri Oct 27, 2006 2:08 pm	2	3895	Last post by mariojon Fri Oct 27, 2006 4:11 pm
manual tuning by munkietoes » Thu Oct 26, 2006 7:29 pm	2	4062	Last post by Eugene Fri Oct 27, 2006 12:40 am
CS2 and GC-MS by gialluc » Wed Oct 11, 2006 7:09 am	5	5797	Last post by dcobice Thu Oct 26, 2006 9:52 pm
Optimum split flow in ESI LC-MS by Rob Burgess » Thu Oct 26, 2006 10:10 am	2	4512	Last post by promochrom Thu Oct 26, 2006 5:36 pm
Quattro Micro or API3000? by Ann » Fri Oct 20, 2006 2:55 pm	6	4778	Last post by Eugene Wed Oct 25, 2006 1:53 am
Selecting an LC/MS system by josebenjamin » Wed Sep 06, 2006 3:01 pm	7	5148	Last post by promochrom Tue Oct 24, 2006 10:56 pm
change in response by pliva » Thu Oct 19, 2006 10:56 am	4	3651	Last post by ZG Tue Oct 24, 2006 8:19 pm
LC-MS Instructor needed by josebenjamin » Mon Oct 23, 2006 7:48 pm	0	3105	Last post by josebenjamin Mon Oct 23, 2006 7:48 pm
problems w/ precipitation&extraction of hydrophilic drug by neuger » Fri Oct 13, 2006 3:03 pm	20	8914	Last post by HW Mueller Mon Oct 23, 2006 8:12 am
Quadrupole MS cleaning by NG » Wed Oct 11, 2006 11:19 pm	2	5033	Last post by james little Mon Oct 23, 2006 12:53 am
Ethionamide Metabolite Analysis from Plasma by sandip.gurav » Wed Oct 18, 2006 12:51 pm	2	3712	Last post by james little Sun Oct 22, 2006 2:51 pm
column switching x extraction by Maristela » Wed Oct 18, 2006 2:06 pm	7	4700	Last post by promochrom Sat Oct 21, 2006 11:33 pm
The Pyrolizer by Schmitty » Wed Oct 18, 2006 2:58 pm	0	3190	Last post by Schmitty Wed Oct 18, 2006 2:58 pm
detecting parent molecules with LC-MS by shannie » Thu Oct 12, 2006 5:57 am	3	3528	Last post by shannie Tue Oct 17, 2006 1:18 am
LC-MS peak shape by MIB_EO » Fri Oct 06, 2006 1:41 pm	2	3429	Last post by james little Thu Oct 12, 2006 2:33 am
hydrophilic compound in varying pHs by neuger » Tue Oct 10, 2006 4:22 pm	2	3368	Last post by neuger Tue Oct 10, 2006 8:49 pm
Problem with LC-MS Method for Aldehyde by james little » Sat Oct 07, 2006 10:59 am	2	3983	Last post by james little Tue Oct 10, 2006 2:06 am
unknown substances 104/183 by Stefanie » Mon Oct 09, 2006 3:01 pm	0	2846	Last post by Stefanie Mon Oct 09, 2006 3:01 pm
regarding psedo analysis in triple quad by mass » Sun Oct 08, 2006 8:21 am	1	3016	Last post by Schmitty Mon Oct 09, 2006 2:30 pm
Pseudo analysis using triple quad by mass » Sun Oct 08, 2006 8:12 am	0	2836	Last post by mass Sun Oct 08, 2006 8:12 am
loose of singal by dcobice » Thu Oct 05, 2006 8:17 pm	0	2922	Last post by dcobice Thu Oct 05, 2006 8:17 pm
SBSE for pesticides in water by camino » Thu Oct 05, 2006 4:49 pm	0	2959	Last post by camino Thu Oct 05, 2006 4:49 pm
Odd periodic peaks by dwiggins » Sat Sep 30, 2006 1:03 am	2	3664	Last post by dwiggins Wed Oct 04, 2006 3:12 am
Front Inlet Flow Shutdown on HP 6890 MSD 5973 by Oliver007 » Sat Sep 09, 2006 2:21 pm	4	12859	Last post by Rick Tue Oct 03, 2006 7:38 pm
1/x vs. 1/x2 weighting by Brian Jordan » Fri Sep 29, 2006 12:49 pm	1	16119	Last post by tom jupille Fri Sep 29, 2006 11:33 pm
Quadrupole 5973 cleaning procedure by Rick » Wed Sep 13, 2006 2:16 am	3	5778	Last post by chhubert Thu Sep 28, 2006 12:20 am
Mass drift in Ion trap by Atinuch40 » Fri Sep 08, 2006 2:40 pm	5	6953	Last post by MIB_EO Tue Sep 26, 2006 8:59 am
Frequency of autotune on GCMS.. by Pegry » Mon Sep 25, 2006 5:42 pm	2	4761	Last post by MIB_EO Tue Sep 26, 2006 8:46 am
1/x Weighting - How is it done? by indium » Sun Sep 24, 2006 8:16 pm	1	3556	Last post by tom jupille Mon Sep 25, 2006 3:39 am
PAHs in Fatty Food Matrix by Schmitty » Wed Sep 13, 2006 7:43 pm	13	6165	Last post by Schmitty Wed Sep 20, 2006 5:01 pm
SERUM OR PLASMA by pliva » Sat Sep 16, 2006 5:04 am	0	2929	Last post by pliva Sat Sep 16, 2006 5:04 am
Please help with LC/MS Method by frost47 » Wed Sep 13, 2006 3:32 pm	0	3030	Last post by frost47 Wed Sep 13, 2006 3:32 pm
morphine and LLE by Maristela » Tue Sep 05, 2006 10:55 am	3	3619	Last post by mbulentcakar Tue Sep 12, 2006 2:08 pm
5971 diffusion pump by MEH » Thu Sep 07, 2006 3:04 pm	2	3569	Last post by Consumer Products Guy Mon Sep 11, 2006 1:08 am

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