LC-MS, GC-MS, and other - Page 61 - Chromatography Forum

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Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	78494	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
Do you think my qualifactions are a disadvantage? by seamoro » Wed Feb 15, 2012 5:31 am	16	12294	Last post by Don_Hilton Sat Feb 18, 2012 2:53 am
top board on 5972 by Stormyrene » Wed Feb 15, 2012 2:54 pm	1	1734	Last post by gmlvt Wed Feb 15, 2012 6:31 pm
Decreasing response of GCMS by chandra » Tue Feb 14, 2012 5:15 pm	1	1785	Last post by Alexandre Wed Feb 15, 2012 5:05 am
Mass Spec losing Internal standards by Stormyrene » Thu Feb 09, 2012 2:38 pm	2	2070	Last post by LindseyPyron Tue Feb 14, 2012 3:54 pm
Upgrade Smart Card by intereco » Sat Feb 11, 2012 6:07 am	0	1789	Last post by intereco Sat Feb 11, 2012 6:07 am
HCN in Acetonitrile? by awgrobin » Thu Feb 02, 2012 7:16 pm	3	2933	Last post by ZeroAir Fri Feb 10, 2012 6:41 pm
GCMS Error on a 5972 by Stormyrene » Thu Feb 09, 2012 4:03 pm	1	1977	Last post by tlahren Thu Feb 09, 2012 9:02 pm
GCMS error on a 5972 by Stormyrene » Thu Feb 09, 2012 1:27 pm	7	3374	Last post by aldehyde Thu Feb 09, 2012 7:41 pm
Retention time of organic acids by chandra » Thu Jan 26, 2012 9:53 am	5	3772	Last post by Don_Hilton Thu Feb 09, 2012 2:27 am
Nylon filters by lusi » Tue Feb 07, 2012 4:26 pm	18	6204	Last post by lusi Tue Mar 06, 2012 1:04 pm
DMSO in SPME GC-MS by WK » Sat Feb 04, 2012 8:37 pm	4	3283	Last post by WK Mon Feb 06, 2012 9:45 pm
I have problem with tuning the Waters Micromass ZQ™ 4000 MS by karamiosboo » Sat Jan 28, 2012 11:03 am	1	2561	Last post by m.abdullah Mon Feb 06, 2012 7:37 am
SIM programming with ion pairing agents. by H2Oh » Tue Jan 24, 2012 2:55 pm	4	2430	Last post by ZeroAir Fri Feb 03, 2012 6:53 pm
HP 5890 data acquisition via LabVIEW by yurong84 » Thu Feb 02, 2012 7:56 am	1	2241	Last post by ZeroAir Fri Feb 03, 2012 6:22 pm
EPA 525.2 Optimum parameters. by ricard » Thu Feb 02, 2012 10:08 am	5	4548	Last post by Bigbear Fri Feb 03, 2012 5:18 pm
normal autotune report ? high h2o values mean? by new2GCMS » Mon Jan 30, 2012 5:55 pm	1	3949	Last post by tlahren Thu Feb 02, 2012 2:18 pm
5970/5890 hardware/software compatibility questions by m.finnBMBM » Wed Feb 01, 2012 2:33 am	1	2419	Last post by Bigbear Wed Feb 01, 2012 2:49 pm
Missing Ion data by W. de Graaf » Wed Jan 25, 2012 10:13 am	5	2361	Last post by Bigbear Tue Jan 31, 2012 12:19 pm
Injection Volume Control in Chemstation by ZeroAir » Mon Jan 30, 2012 10:49 pm	3	3042	Last post by ZeroAir Tue Jan 31, 2012 5:35 pm
Observation of Peak by chrom » Tue Jan 24, 2012 1:51 pm	1	1997	Last post by Alexandre Mon Jan 30, 2012 8:57 am
HRMS by syedsaeedali » Fri Jan 06, 2012 4:05 pm	3	3222	Last post by tlahren Sun Jan 29, 2012 5:20 pm
GC/MS by snjmj2000 » Sat Jan 28, 2012 9:53 am	2	2995	Last post by Consumer Products Guy Sun Jan 29, 2012 12:30 am
Agilent 6224 or Perkim Elemer AxIon2 by pincer » Thu Jan 26, 2012 8:03 am	2	2513	Last post by Jetjamnong Fri Jan 27, 2012 3:42 pm
Clarus 500 need some help !!! by flyhigh » Fri Jan 27, 2012 3:14 pm	0	1988	Last post by flyhigh Fri Jan 27, 2012 3:14 pm
response and gain, tuning and calibration_MS5975c by ricard » Tue Jan 17, 2012 9:48 am	2	2516	Last post by ricard Thu Jan 26, 2012 12:45 pm
Any other way than switching columns in GCMS by pincer » Thu Jan 12, 2012 9:02 am	4	2130	Last post by pincer Thu Jan 26, 2012 7:57 am
I really need your help! by itatsi » Tue Jan 24, 2012 9:04 am	2	2035	Last post by itatsi Thu Jan 26, 2012 6:38 am
Software/Instrument Communication Problems by m.finnBMBM » Mon Jan 23, 2012 11:49 pm	2	2394	Last post by m.finnBMBM Tue Jan 24, 2012 8:45 pm
Question about resolution. by victorio008 » Tue Jan 24, 2012 7:37 am	2	2586	Last post by victorio008 Tue Jan 24, 2012 2:52 pm
Air - Water Spectrum MS by lusi » Thu Dec 08, 2011 6:36 pm	28	6712	Last post by lusi Tue Jan 24, 2012 12:49 pm
Edwards E2M2 pump by sllimbri65 » Thu Jan 12, 2012 3:40 am	2	2303	Last post by mckrause Tue Jan 24, 2012 12:56 am
Resolution of Bis(2-Chloroethyl)ether and Aniline by a2j812 » Thu Jan 19, 2012 10:01 pm	1	2052	Last post by mckrause Tue Jan 24, 2012 12:34 am
Fatty acid bioanalysis - internal standards by ian51 » Tue Jan 10, 2012 4:21 pm	9	2575	Last post by sirdaniel Mon Jan 23, 2012 2:59 pm
Gas bubbles at 40min by acetone » Fri Jan 13, 2012 7:39 pm	3	2059	Last post by Peter Skelton Mon Jan 23, 2012 11:56 am
Wide MS peak at [low] injection... by ZeroAir » Fri Jan 20, 2012 9:54 pm	1	1801	Last post by ZeroAir Sat Jan 21, 2012 5:45 am
GC/MS by Analisis » Tue Mar 10, 2009 3:38 pm	28	7040	Last post by Analisis Sat Jan 21, 2012 12:21 am
Bis-Tris buffer compatibility with ESI-MS? by ZeroAir » Wed Jan 18, 2012 4:15 am	4	4302	Last post by ZeroAir Thu Jan 19, 2012 6:20 pm
DMSO stock solutions by shemesh199 » Tue Jan 17, 2012 8:44 pm	2	5676	Last post by shemesh199 Thu Jan 19, 2012 1:32 am
New to GC-MS need help with some Sterol Stuff by BrianGumble » Mon Jan 16, 2012 10:01 pm	8	2934	Last post by BrianGumble Wed Jan 18, 2012 2:48 pm
internal standard by organicchem » Wed Jan 18, 2012 11:39 am	1	1883	Last post by Don_Hilton Wed Jan 18, 2012 12:20 pm
Turbopump problems in HP 5970 by m.finnBMBM » Mon Jan 02, 2012 9:21 pm	13	4621	Last post by HbJ Wed Jan 18, 2012 1:51 am
TOF vs QQQ by pincer » Fri Jan 06, 2012 8:01 pm	4	8624	Last post by Jetjamnong Tue Jan 17, 2012 1:26 pm
new to GC/MS with a number of questions by hplc.chem » Mon Jan 09, 2012 2:47 pm	11	3166	Last post by hplc.chem Tue Jan 17, 2012 3:51 am
Can ion trap do both quantitative and qualitative analysis? by pincer » Tue Jan 17, 2012 12:41 am	0	1644	Last post by pincer Tue Jan 17, 2012 12:41 am
Question about HILIC-MS by squall » Sat Jan 14, 2012 7:55 am	1	1672	Last post by carls Mon Jan 16, 2012 3:10 pm
HP GC/MS 1800B / MSD 5971 Can't trigger gas sampling valve by medlab » Sat Jan 14, 2012 12:57 am	0	1705	Last post by medlab Sat Jan 14, 2012 12:57 am
pls help on the retention time drifting on LC/MS by acetone » Wed Jan 04, 2012 2:22 pm	5	2163	Last post by tom jupille Fri Jan 13, 2012 4:38 pm
SMART CARD II for G1946B by gene.moundous » Tue Jan 10, 2012 10:25 pm	1	1979	Last post by LCbob Fri Jan 13, 2012 2:44 pm
*increased pressure on Acquity 1.7µm, 2.150 mm LC-MS column** by Fluterd » Tue Jan 10, 2012 1:07 pm	9	7976	Last post by Alp Fri Jan 13, 2012 2:05 am
High/Low resolution in SIM mode Agilent 5975 by pwUnderpaid » Wed Jan 11, 2012 6:01 pm	2	5611	Last post by carras Thu Jan 12, 2012 1:23 pm

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