LC-MS, GC-MS, and other - Page 69 - Chromatography Forum

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Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	72593	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
Different Rt of the same compound. by chandra » Mon May 16, 2011 1:46 am	3	2733	Last post by Don_Hilton Mon May 16, 2011 4:27 am
variation slope of calibration curve by Fluterd » Fri May 13, 2011 6:39 pm	2	4105	Last post by zokitano Sun May 15, 2011 12:50 pm
Help with Finnigan TSQ 7000 by Tyson » Wed Apr 20, 2011 6:30 pm	3	2542	Last post by Kostas Petritis Sun May 15, 2011 7:28 am
Loss of Upper End of Linear Range - AB 3200 by Jervin22000 » Sat May 14, 2011 7:46 am	0	1862	Last post by Jervin22000 Sat May 14, 2011 7:46 am
Dual Concentrator P&T GC-MS by tangaloomaflyer » Fri May 13, 2011 11:14 am	0	1997	Last post by tangaloomaflyer Fri May 13, 2011 11:14 am
It's urgent! MS's intensity by thientam12921 » Thu May 12, 2011 4:39 pm	2	2268	Last post by thientam12921 Fri May 13, 2011 1:11 am
Calculating the mass of 3 ml 0.5N methanolic NaOH. by Sandra7 » Tue May 10, 2011 4:18 pm	10	12973	Last post by chromatographer1 Mon May 16, 2011 7:08 pm
inject 1.5ml volume with Agilent 1200 Series by pyao » Tue May 10, 2011 12:11 pm	5	4918	Last post by alturistas Thu Nov 23, 2017 11:34 am
LCMS by nerutweety » Mon May 09, 2011 7:16 am	0	2007	Last post by nerutweety Mon May 09, 2011 7:16 am
ATP by LCMSMS by mk12 » Thu Jan 13, 2011 12:33 am	1	2280	Last post by Biocheckup Fri May 06, 2011 9:13 am
Is there [M+2H2O-H] peak? by thichmoithu » Fri Apr 29, 2011 9:11 am	6	3061	Last post by LC_hoop Thu May 05, 2011 9:57 pm
525.2 Endrin Breakdown way out of specs by montucky1 » Fri Apr 08, 2011 4:45 pm	7	3188	Last post by tlahren Thu May 05, 2011 9:22 pm
Reference mass spectrum by Rick » Tue Apr 26, 2011 3:56 pm	1	2388	Last post by tangaloomaflyer Thu May 05, 2011 10:51 am
moisture droplets on the window of the shield spray of MS by pyao » Tue May 03, 2011 11:14 am	4	1963	Last post by pyao Wed May 04, 2011 8:44 am
Anyone has access to this article? Can you send me? by Sandra7 » Wed May 04, 2011 2:47 am	0	1657	Last post by Sandra7 Wed May 04, 2011 2:47 am
pls help! The LC-MS suddenly stop running with errow remind by wendyguo » Sat Apr 30, 2011 7:16 pm	5	2721	Last post by Alp Tue May 03, 2011 6:42 am
UV spectrometer versus UV HPLC by weitze » Sat Apr 30, 2011 1:11 pm	9	4761	Last post by lgchrom Thu May 05, 2011 9:18 am
About epa 525.2 method! by ricard » Thu Apr 28, 2011 8:14 am	1	1949	Last post by Bigbear Fri Apr 29, 2011 5:18 pm
Mobile Phase Contamination by Widebore » Sat Apr 23, 2011 12:07 am	4	3121	Last post by Gaetan Glauser Fri Apr 29, 2011 6:59 am
Random interferance by aydonat » Tue Apr 26, 2011 9:42 pm	1	1960	Last post by bisnettrj2 Fri Apr 29, 2011 2:30 am
Mobile phase of HPLC by weitze » Thu Apr 28, 2011 2:53 am	3	1829	Last post by H.Thomas Thu Apr 28, 2011 11:51 am
ChromaTOF-LC by fhijaz » Wed Apr 27, 2011 6:46 pm	1	2052	Last post by Don_Hilton Thu Apr 28, 2011 2:56 am
GC/MS HP5971 Error by 33larry » Sat Apr 16, 2011 1:16 am	4	2603	Last post by jaj Wed Apr 27, 2011 9:35 pm
Peak tailing due to higher initial temperatue in GCMS analys by Sandra7 » Sat Apr 23, 2011 3:57 am	4	3122	Last post by Sandra7 Tue Apr 26, 2011 6:22 pm
a sincere request for your input on GC/MS specifications by SAGCMS » Wed Apr 20, 2011 9:01 am	3	2234	Last post by CE Instruments Tue Apr 26, 2011 8:36 am
Turbo Pumps by waj54 » Thu Apr 21, 2011 1:16 pm	1	1864	Last post by MX304 Mon Apr 25, 2011 6:47 pm
Agilent 5975 Rough pump by MX304 » Tue Feb 22, 2011 7:56 pm	8	4282	Last post by MX304 Mon Apr 25, 2011 6:42 pm
Do you have access to this article? by Sandra7 » Thu Apr 21, 2011 5:10 pm	2	2190	Last post by Sandra7 Sun Apr 24, 2011 11:12 pm
Chlorine and Bromine effect by IsotopeC12 » Wed Apr 20, 2011 8:40 pm	4	4458	Last post by lmh Fri Apr 22, 2011 12:27 pm
lc-ms s-adenosylhomocysteine and s-adenosylmethionine by shahgholi » Tue Apr 19, 2011 4:57 pm	1	2416	Last post by shahgholi Thu Apr 21, 2011 9:36 pm
Problem with blank in L-Carnitine method by Bas1987 » Fri Apr 15, 2011 10:12 am	2	2436	Last post by Alp Thu Apr 21, 2011 4:56 pm
Boiling point for methy ester of C12 C14, C16, C18 by Sandra7 » Thu Apr 21, 2011 5:25 am	3	2705	Last post by Sandra7 Thu Apr 21, 2011 4:04 pm
Exporting Enhanced Data Analysis as CSV by somestorm » Thu Apr 21, 2011 1:36 pm	0	2834	Last post by somestorm Thu Apr 21, 2011 1:36 pm
5970B HP-IB timeout by unisci » Wed Apr 20, 2011 8:38 pm	0	1863	Last post by unisci Wed Apr 20, 2011 8:38 pm
HMW calibrant for MALDI-TOF by Mattias » Tue Apr 19, 2011 11:29 am	1	2049	Last post by bhuvfe Tue Apr 19, 2011 6:17 pm
GCMS newbie and the questions to be solved... by nilo » Fri Feb 04, 2011 8:07 pm	17	6721	Last post by Peter Apps Tue Apr 19, 2011 1:36 pm
In urgent need of a used GC/MS unit for a LA toxicology lab by Toxilab626 » Wed Apr 06, 2011 6:22 pm	4	2594	Last post by AICMM Tue Apr 19, 2011 12:55 am
1100 MSD Power problem by PierceDublin » Mon Apr 18, 2011 6:08 pm	1	2001	Last post by lmh Mon Apr 18, 2011 11:22 pm
Protonation of NH2, R-NH-R or OH. by problemeste » Wed Apr 13, 2011 12:29 pm	6	6255	Last post by lmh Mon Apr 18, 2011 11:12 pm
LoD Loq in lc ms ms by samsa » Sat Apr 16, 2011 2:43 pm	3	3675	Last post by lmh Mon Apr 18, 2011 3:24 pm
Column bore size and resolution by bugteller » Fri Apr 15, 2011 7:52 pm	0	2094	Last post by bugteller Fri Apr 15, 2011 7:52 pm
Suitable mobile phase by mkhalidp » Fri Apr 15, 2011 2:10 am	0	1849	Last post by mkhalidp Fri Apr 15, 2011 2:10 am
interpreting mass gain in the tune report by chromatonewbie » Wed Mar 30, 2011 1:22 am	2	2341	Last post by chromatonewbie Thu Apr 14, 2011 2:19 am
Baseline dead flat but signals present by pimezon » Mon Apr 11, 2011 1:57 am	7	2928	Last post by DSP007 Tue Apr 12, 2011 11:31 am
Doubts about filament life-time with dirty samples by martendal » Tue Apr 05, 2011 2:14 pm	7	2743	Last post by martendal Mon Apr 11, 2011 11:53 am
Method validation for Qualitative analysis by GC-MS by Mia » Thu Apr 07, 2011 6:55 pm	3	2803	Last post by tangaloomaflyer Mon Apr 11, 2011 11:49 am
Mass Lynx - System Fluidics Organizer by wan » Fri Apr 08, 2011 5:26 am	5	3155	Last post by Chandresh K. Soni Sun Apr 10, 2011 6:23 am
Compatible software with Varian Saturn 2000GCMS (3800GC) by CpRuACN3PF6 » Fri Apr 08, 2011 12:22 am	4	2417	Last post by Ultimate Science 101 Sat Apr 09, 2011 1:31 am
Regeneration of Universal Helium trap by red_star66 » Thu Mar 31, 2011 4:48 am	1	2123	Last post by MX304 Fri Apr 08, 2011 6:30 pm
Need help on chromatograph interpetation by PinotNoir » Mon Apr 04, 2011 10:42 pm	4	2569	Last post by Peter Apps Fri Apr 08, 2011 7:47 am

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