LC-MS, GC-MS, and other - Page 66 - Chromatography Forum

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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

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QUATTRO MICRO API troubleshooting by mbreslav » Fri Aug 26, 2011 1:35 pm	1	2564	Last post by hema Fri Aug 26, 2011 3:39 pm
Agilent 6410 and "Reverse Quadratic" by EW6 » Wed Aug 24, 2011 4:30 pm	1	2184	Last post by hema Fri Aug 26, 2011 8:54 am
chlorpyrifos method by lusi » Thu Aug 25, 2011 12:15 pm	0	1833	Last post by lusi Thu Aug 25, 2011 12:15 pm
Retention time changes in LC-(MS/MS) separation due to conc by ChromEnthusiast » Mon Aug 15, 2011 9:32 am	1	2218	Last post by Magister Thu Aug 25, 2011 11:06 am
TE-GC-MS by seattle » Wed Aug 24, 2011 10:28 pm	0	2220	Last post by seattle Wed Aug 24, 2011 10:28 pm
distribution of calibration standard concentrations by ian51 » Wed Aug 24, 2011 10:15 am	0	2173	Last post by ian51 Wed Aug 24, 2011 10:15 am
Bruker micrOTOF-Q II control soft by LukasLTU » Wed Aug 24, 2011 7:46 am	0	2654	Last post by LukasLTU Wed Aug 24, 2011 7:46 am
LC/MS/MS Experiment in Vienna is required by Magister » Tue Aug 23, 2011 10:44 am	0	2493	Last post by Magister Tue Aug 23, 2011 10:44 am
Orifice contamination/block. by achikafu » Wed Aug 17, 2011 1:33 pm	6	3638	Last post by Alp Tue Aug 23, 2011 9:45 am
2D GC_TOFMS column bleeding by yuanzhang » Fri Aug 19, 2011 4:18 pm	1	2957	Last post by Don_Hilton Sat Aug 20, 2011 3:21 am
butanol- water GCMS analysis by itsbourne » Thu Aug 18, 2011 8:07 pm	2	4425	Last post by LindseyPyron Fri Aug 19, 2011 7:05 pm
benzene determination by Krashan » Thu Aug 18, 2011 12:52 pm	2	3251	Last post by Krashan Fri Aug 19, 2011 11:56 am
Mass Calibration by Amina Zafar » Thu Aug 18, 2011 4:15 am	0	2640	Last post by Amina Zafar Thu Aug 18, 2011 4:15 am
GCMS or LCMSMS for OPs pesticide by Etox » Sat Aug 06, 2011 9:12 am	4	3298	Last post by yangz00g Wed Aug 17, 2011 2:11 pm
opinions on Agilent 220 Ion Trap Mass by djletin » Wed Aug 17, 2011 1:25 pm	0	2216	Last post by djletin Wed Aug 17, 2011 1:25 pm
Water in GCMS by itsbourne » Tue Aug 16, 2011 5:33 pm	1	4206	Last post by tlahren Tue Aug 16, 2011 9:48 pm
Reproducibility on GC/MS/MS system by vichrom » Wed Aug 10, 2011 4:23 am	4	2867	Last post by vichrom Tue Aug 16, 2011 1:58 pm
Pegasus III, Priority diagnostic screen by walshbig » Fri Aug 12, 2011 5:14 am	4	2404	Last post by steverb Mon Aug 15, 2011 6:48 pm
Heavier PAHs GC/MS by Hornet » Tue Aug 09, 2011 7:23 pm	8	3417	Last post by Ultimate Science 101 Sat Aug 13, 2011 2:14 am
Waters Xevo TQD, Agilent 6430 and 6460 are comparable? by rodrigaoman » Wed Aug 10, 2011 1:15 am	4	4119	Last post by lperelman Thu Aug 11, 2011 10:08 pm
Water For UPLC/LC/MS (and UPLC/MS/MS) mobile phase by Karen01 » Tue Jul 19, 2011 11:36 pm	8	5760	Last post by Gaetan Glauser Wed Aug 10, 2011 6:52 am
Specific peak shape problem by zokitano » Thu Aug 04, 2011 3:21 pm	14	5662	Last post by zokitano Tue Aug 09, 2011 2:16 pm
Agilent 1200 coupled to BioQ by amyrunner » Wed Aug 03, 2011 8:55 am	3	2134	Last post by amyrunner Tue Aug 09, 2011 1:49 pm
Detection of Ethanol using Purge and Trap by jeffsmitheverybody » Thu Aug 04, 2011 8:44 pm	3	2630	Last post by LindseyPyron Mon Aug 08, 2011 5:14 pm
Agilent 1100 series Single Quad troubles by BurntChem » Fri Aug 05, 2011 12:03 pm	0	2256	Last post by BurntChem Fri Aug 05, 2011 12:03 pm
C18 column query by cherry140784 » Wed Aug 03, 2011 5:39 am	2	1985	Last post by H.Thomas Thu Aug 04, 2011 9:19 am
Urinary organic acid extraction by chandra » Wed Aug 03, 2011 11:21 am	5	4668	Last post by oscarBAL Thu Aug 11, 2011 11:10 pm
Urinary organic acid by chandra » Wed Aug 03, 2011 11:25 am	1	2116	Last post by Don_Hilton Wed Aug 03, 2011 11:41 am
how to maximize my GC-MS sensitivity? by emma2009 » Tue Aug 02, 2011 7:26 pm	1	2276	Last post by willnatalie Wed Aug 03, 2011 2:23 am
Calculation using Relative response factor and molecular wt. by abheenaik » Mon Aug 01, 2011 6:11 pm	5	4899	Last post by Murugan Saravanan Wed Aug 03, 2011 1:38 pm
Quantification of Esters by GC-MS by Murugan Saravanan » Mon Aug 01, 2011 4:20 pm	2	2473	Last post by Murugan Saravanan Tue Aug 02, 2011 4:38 am
OI 4660 by mjh32586 » Mon Aug 01, 2011 4:52 pm	5	5410	Last post by LindseyPyron Tue Aug 02, 2011 6:45 pm
Chemstation error logging by MX304 » Mon Aug 01, 2011 3:29 pm	2	3377	Last post by MX304 Fri Aug 05, 2011 4:15 pm
Annual cost of Non-contract Agilent MS maintenance.? by HPLCEngineer » Thu Jul 14, 2011 4:18 pm	8	5200	Last post by MX304 Mon Aug 01, 2011 3:25 pm
GC MS:Ion fragmentation pattern changed by Sonia Oliva » Fri Jun 10, 2011 9:45 pm	14	5134	Last post by Don_Hilton Sat Jul 30, 2011 7:14 pm
LC-MS Not reliable in identifying compounds!! by seamoro » Wed Jul 27, 2011 3:05 am	9	6042	Last post by yangz00g Fri Jul 29, 2011 2:02 pm
Bad filament?? by mjh32586 » Thu Jul 28, 2011 4:50 pm	4	3212	Last post by carras Fri Jul 29, 2011 11:15 am
expert knowledge of HPLC and GCMS = GOOD AT LCMS by seamoro » Fri Jul 29, 2011 7:35 am	1	2291	Last post by lmh Fri Jul 29, 2011 10:45 am
Problems with a 450 GC by Bárbara » Wed Jul 27, 2011 7:59 pm	3	2390	Last post by Ultimate Science 101 Fri Jul 29, 2011 3:11 am
Autotune passing criteria for 5975c by jroberts » Thu Jul 14, 2011 2:57 pm	3	2784	Last post by willnatalie Thu Jul 28, 2011 6:56 pm
Changing rotary pump oil by mjh32586 » Wed Jul 27, 2011 1:11 pm	3	3314	Last post by mjh32586 Thu Jul 28, 2011 1:17 pm
Problem - No chromatogram trace on HP6890 GC/MS by sirpatty79 » Sun Jul 24, 2011 9:06 pm	2	2281	Last post by sirpatty79 Wed Jul 27, 2011 5:55 pm
Agilent/HP MSD Quad DC Fault by johnwu » Mon Jul 25, 2011 8:30 pm	1	2472	Last post by MX304 Wed Jul 27, 2011 3:15 pm
autotune parameters in GC MS triple quad by ray_chelle8 » Mon Jul 25, 2011 6:18 am	3	3227	Last post by MX304 Wed Jul 27, 2011 3:09 pm
Oxidized pesticides in drinking water by fsistere » Wed Oct 08, 2008 11:48 am	1	2348	Last post by Foghat1961 Wed Jul 27, 2011 2:43 pm
stearic acid and palmitic acid background ions by k.vd.wetering@nki.nl » Tue Jul 26, 2011 1:40 pm	1	3295	Last post by Gaetan Glauser Tue Jul 26, 2011 2:53 pm
SPME fibre by Palash@massey » Wed Apr 27, 2011 11:43 pm	4	2811	Last post by kabdesslam Fri Jul 22, 2011 12:55 pm
Py-GC/MS and split ratio by pooch » Mon Jul 18, 2011 4:11 pm	5	3661	Last post by Peter Apps Fri Jul 22, 2011 6:52 am
Response increases with every injection by vdm51 » Thu Jun 23, 2011 10:13 pm	7	2875	Last post by chromatonewbie Fri Jul 22, 2011 2:42 am
Bioanalytical method analytical range - non-linearity by ian51 » Thu Jul 14, 2011 9:47 am	1	2134	Last post by kerri Fri Jul 22, 2011 1:35 am

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