LC-MS, GC-MS, and other - Page 34 - Chromatography Forum

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Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	74898	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
No base line separation in Most validated methods.... why ? by eight2015 » Fri Apr 10, 2015 12:28 pm	7	4041	Last post by James_Ball Wed Apr 22, 2015 9:50 pm
Nomenclature of chromatograms by bunnahabhain » Wed Apr 22, 2015 9:35 am	2	2554	Last post by James_Ball Wed Apr 22, 2015 7:08 pm
Use of Mixed Mode Column in LC/MS by Jimi » Tue Apr 14, 2015 4:59 pm	2	2874	Last post by Vlad Orlovsky Fri Apr 17, 2015 2:49 pm
Extracted Ion Chromatogram in Chemstation by WK » Tue Apr 14, 2015 1:41 pm	5	5482	Last post by chemstation Fri Apr 17, 2015 2:05 am
protein mass spectrometry by prishly » Wed Apr 15, 2015 10:05 am	0	2844	Last post by prishly Wed Apr 15, 2015 10:05 am
TOCVWP Shimadzu help! by t_morris » Tue Apr 14, 2015 11:00 pm	0	3054	Last post by t_morris Tue Apr 14, 2015 11:00 pm
spme vial cap septa noise by jiangds06 » Tue Apr 14, 2015 2:58 pm	0	3020	Last post by jiangds06 Tue Apr 14, 2015 2:58 pm
Repeatability Issues, Pesticide Residue Analysis, LC MS/MS by BHolmes » Thu Nov 07, 2013 12:08 am	7	5911	Last post by BHolmes Mon Apr 13, 2015 3:50 pm
low bleeding gc columns by jiangds06 » Thu Apr 09, 2015 2:51 pm	2	3234	Last post by James_Ball Fri Apr 10, 2015 10:13 pm
File Conversion .xms to .cdf format by FCCHEESE » Fri Apr 10, 2015 9:35 am	5	10822	Last post by antonk Wed Jul 28, 2021 7:04 am
SOP FOR GC-MS? by eight2015 » Fri Apr 03, 2015 7:01 am	10	6195	Last post by Peter Apps Thu Apr 09, 2015 9:09 am
SIM trace, HELP!! by Tomo78 » Tue Apr 07, 2015 9:46 pm	9	5572	Last post by dblux_ Thu Apr 09, 2015 6:11 am
HED Supply Difficulty by espx_2 » Fri Jan 30, 2015 3:21 am	46	20575	Last post by espx_2 Thu Apr 09, 2015 12:34 am
pumping down Varian Saturn 2000 MS by djletin » Thu Jun 17, 2010 12:37 pm	3	4875	Last post by James_Ball Wed Apr 08, 2015 10:12 pm
EPA 8260, chromatographic problem after possible foamer by James_Ball » Sun Mar 22, 2015 10:03 pm	11	4711	Last post by Yama001 Wed Apr 08, 2015 9:02 pm
fiber bleeding in SPME by jiangds06 » Wed Apr 08, 2015 1:28 pm	0	3158	Last post by jiangds06 Wed Apr 08, 2015 1:28 pm
Software for Varian 3800 GC and Saturn 2000 Ion Trap MS by theDtrain » Thu Apr 24, 2014 11:24 pm	4	4083	Last post by marlenl Tue Apr 07, 2015 4:46 pm
Unstable System LC/MS/MS by diana23 » Mon Apr 06, 2015 6:50 pm	0	3162	Last post by diana23 Mon Apr 06, 2015 6:50 pm
Very annoying background noise by leo1352 » Wed Mar 25, 2015 1:06 pm	1	3011	Last post by sav Sun Apr 05, 2015 4:14 pm
Completely aqueous mobile phase in ESI-MS by pfjl » Tue Mar 31, 2015 8:15 am	3	2905	Last post by pfjl Fri Apr 03, 2015 8:48 am
QUESTION about calculation in ( purge and trap GC-MS) by eight2015 » Sat Mar 28, 2015 5:33 am	8	4393	Last post by James_Ball Thu Apr 02, 2015 9:03 pm
slopes in MSD by Balto » Mon Mar 30, 2015 8:26 am	3	3341	Last post by James_Ball Wed Apr 01, 2015 10:51 pm
Rotary pump ex Varian/Agilent DS42 by syringe » Fri Mar 27, 2015 5:11 pm	2	3156	Last post by syringe Tue Mar 31, 2015 10:25 pm
GC MS saturn 2000 not starting up by Jihad » Mon Mar 23, 2015 7:14 pm	1	2638	Last post by DReggio Tue Mar 31, 2015 6:57 pm
gamma aminobutyric acid (GABA) tailing peak or contamination by Jen » Fri Feb 06, 2015 10:30 pm	4	4615	Last post by Yazawa Sun Mar 29, 2015 10:14 am
Looking at LC/MS for pesticides by mepetfisheric » Fri Mar 27, 2015 2:03 am	2	3326	Last post by mircofac69 Sat Mar 28, 2015 6:03 am
502 Isotope and its Ratio using Standard Tune by msteele5k » Fri Mar 06, 2015 7:55 pm	9	6763	Last post by James_Ball Fri Mar 27, 2015 10:56 pm
MSD QUADRUPOLE DETECTORS AND CALIBRATION CURVE by Balto » Thu Mar 26, 2015 8:46 am	0	3162	Last post by Balto Thu Mar 26, 2015 8:46 am
Inconsistent responses in early eluting analytes by tangaloomaflyer » Wed Mar 11, 2015 6:42 am	18	7061	Last post by tangaloomaflyer Thu Mar 26, 2015 6:40 am
failing BFB_Atune by Button_Pusher » Wed Nov 05, 2014 8:57 pm	5	4502	Last post by rwolff1 Wed Mar 25, 2015 7:18 pm
HPLC-MS/MS analysis by carol » Mon Mar 23, 2015 2:51 pm	5	3970	Last post by JMB Wed Mar 25, 2015 6:25 pm
H-P 5972 issues plus a question on PAH metabolite analysis by Harry102 » Mon Mar 23, 2015 7:26 pm	5	3208	Last post by Harry102 Tue Mar 24, 2015 10:38 pm
istd LOST by Glad23 » Mon Mar 23, 2015 10:55 pm	1	2711	Last post by James_Ball Mon Mar 23, 2015 11:51 pm
Double Emission Ramp by Bridget85 » Fri Mar 13, 2015 3:41 pm	2	3288	Last post by James_Ball Mon Mar 23, 2015 11:48 pm
Help me with my MBA class. by erickorman » Sun Mar 22, 2015 12:39 am	1	2680	Last post by erickorman Mon Mar 23, 2015 1:11 pm
GCMS Is it necessary to separate peaks ? by seamoro » Tue Mar 18, 2014 9:40 pm	8	5933	Last post by mckrause Sat Mar 21, 2015 4:04 am
TBT analysis by hsesu » Wed Nov 02, 2011 11:14 am	4	3658	Last post by jerole Thu Mar 19, 2015 4:58 pm
SHIMADZU GCMS QP 2010 ULTRA dean switch + Twin Line MS by willms » Thu Mar 19, 2015 4:33 pm	0	3441	Last post by willms Thu Mar 19, 2015 4:33 pm
Manuals for HP 5970 msd by wgsctr » Thu Mar 19, 2015 3:32 pm	0	2925	Last post by wgsctr Thu Mar 19, 2015 3:32 pm
Will a TBDMS protection group survive in 0.1% FA ACN/Water? by dkotes » Mon Feb 16, 2015 6:45 am	5	3872	Last post by PeterPopoff Wed Mar 18, 2015 4:31 pm
Saturn 2000 Pump status (J3) by mark.wilson » Mon Mar 16, 2015 7:13 pm	0	2892	Last post by mark.wilson Mon Mar 16, 2015 7:13 pm
FID on the Varian 430GC by cmoral » Thu Jan 29, 2015 3:32 pm	5	4086	Last post by cmoral Mon Mar 16, 2015 1:49 pm
Furan analysis in oil by GC/MS by Mdalmaijer » Thu Mar 12, 2015 5:47 pm	2	3830	Last post by gapeev Sun Mar 15, 2015 1:03 am
LC-MS, help with chromatograms by Pepek99 » Fri Mar 13, 2015 5:43 pm	1	3090	Last post by tom jupille Sat Mar 14, 2015 12:27 am
Capillary voltage ESI by babar » Fri Mar 13, 2015 7:38 pm	0	5007	Last post by babar Fri Mar 13, 2015 7:38 pm
Spectrophotometry Question by walker8476 » Fri Mar 13, 2015 1:41 am	10	9410	Last post by Fernando Mon Mar 16, 2015 1:08 pm
Quantification of Tetracyclines and their 4epimers by Davidantony » Sun Mar 01, 2015 9:03 am	1	3085	Last post by carol Thu Mar 12, 2015 6:28 pm
GC-MS/MS comparison - Agilent 7010 vs TSQ 8000 Evo by LAX » Tue Feb 10, 2015 10:37 am	4	7170	Last post by Mdalmaijer Thu Mar 12, 2015 5:54 pm
poor sensitivity of ketonoes using Archon in the soil mode by 01310040231 » Wed Mar 11, 2015 2:36 pm	2	2946	Last post by Yama001 Thu Mar 12, 2015 3:30 pm
High background intensity for a specific target compound by goldforest12345 » Tue Mar 10, 2015 2:31 pm	1	2981	Last post by goldforest12345 Thu Mar 12, 2015 10:36 am

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