Gas Chromatography

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Topics	Replies	Views	Last post
GC and Internal Standards by sancheer » Sun Jun 24, 2007 4:13 pm	11	4360	Last post by HW Mueller Wed Jun 27, 2007 2:38 pm
Varian 3800 /1079 injector flow issues by MarkU » Tue Jun 19, 2007 4:04 pm	6	3896	Last post by MarkU Tue Jun 26, 2007 7:32 pm
Stupid mistake in GC-MS? by saioa » Tue Jun 26, 2007 12:13 pm	2	2432	Last post by saioa Tue Jun 26, 2007 6:26 pm
Cyclohexane retention time & response issues by ganna » Tue Jun 26, 2007 11:37 am	3	3428	Last post by ganna Tue Jun 26, 2007 4:18 pm
Stupid mistake in GC-MS? by saioa » Tue Jun 26, 2007 12:12 pm	0	2186	Last post by saioa Tue Jun 26, 2007 12:12 pm
Cyclohexane retention time & response issues by ganna » Tue Jun 26, 2007 11:35 am	0	2589	Last post by ganna Tue Jun 26, 2007 11:35 am
GC/MSDS and Purge & Trap by fielquimec » Mon Jun 25, 2007 11:29 pm	2	3285	Last post by chemstation Tue Jun 26, 2007 12:26 am
USP announcement concerning <467> by chromatographer1 » Mon Jun 25, 2007 8:32 pm	1	2429	Last post by Schmitty Mon Jun 25, 2007 9:26 pm
USP 467 Residual Solvents-Procedure A, water soluble artic. by pcsox » Fri Jun 08, 2007 3:59 pm	13	4641	Last post by chromatographer1 Mon Jun 25, 2007 8:30 pm
help for conjugated linoleic acid analysis? by elaine.zhang » Fri Jun 22, 2007 9:44 pm	3	2625	Last post by chromatographer1 Mon Jun 25, 2007 2:12 pm
7683B Injector - Will not Withdraw by akthmps » Mon Jun 18, 2007 8:56 pm	6	3276	Last post by akthmps Fri Jun 22, 2007 10:02 pm
Chlorine and Ammonia Gas through a GC with TCD & FID by chemstation » Wed Jun 20, 2007 8:53 am	5	7524	Last post by Bruce Hamilton Fri Jun 22, 2007 3:41 am
H2 detection using Hayesep Q column by patelnk » Tue Jun 19, 2007 9:11 pm	3	3761	Last post by chromatographer1 Wed Jun 20, 2007 2:56 pm
SOLUTION STABILTY FOR RESIDUAL SOLVENTS by AMIT KUMAR JAIN » Wed Jun 20, 2007 6:24 am	2	2203	Last post by chromatographer1 Wed Jun 20, 2007 11:52 am
Sulfonamides acetylation by Fabiano » Sun Jun 17, 2007 3:12 pm	0	2168	Last post by Fabiano Sun Jun 17, 2007 3:12 pm
how to do method development by zimanli » Fri Jun 15, 2007 6:13 pm	1	2222	Last post by GaryR Fri Jun 15, 2007 8:19 pm
US Pharmacopoeia characteristics. by vincent001 » Thu Jun 14, 2007 12:48 pm	4	2890	Last post by chromatographer1 Fri Jun 15, 2007 1:02 pm
Retention Time Issues by bdh » Tue Jun 12, 2007 10:52 pm	11	4480	Last post by Peter Apps Fri Jun 15, 2007 6:57 am
New problems with indole skatole by Heikki » Thu Jun 14, 2007 6:00 pm	3	2608	Last post by AICMM Thu Jun 14, 2007 8:40 pm
Headspace Artifact Peak with DMA by Alchemist5 » Fri Jun 01, 2007 3:25 pm	6	3889	Last post by chromatographer1 Thu Jun 14, 2007 5:09 pm
Poor Peak Area RSD by wrighty » Tue Jun 12, 2007 2:24 pm	10	4408	Last post by wrighty Thu Jun 14, 2007 2:48 pm
*KR-LJB;0.25mm40m0.5um chrial GC column* by zhengmin » Thu Jun 14, 2007 11:54 am	0	2089	Last post by zhengmin Thu Jun 14, 2007 11:54 am
Industrial Grade Gas by Vox » Wed Jun 13, 2007 1:07 am	5	2824	Last post by Bruce Hamilton Wed Jun 13, 2007 10:12 pm
Still a newb... TCD peak polarity question by jpd6825 » Tue Jun 12, 2007 4:08 pm	6	3776	Last post by chromatographer1 Wed Jun 13, 2007 4:27 pm
Splitless mode analysis by Dinesh Hegde » Mon Jun 11, 2007 5:52 am	9	3526	Last post by Chromatocrat Wed Jun 13, 2007 11:37 am
Bulding my own carbon traps by Vox » Mon Jun 11, 2007 5:38 pm	4	2636	Last post by sassman Tue Jun 12, 2007 3:40 pm
RESIDUAL SOLVENTS BY USP <467> by AMIT KUMAR JAIN » Mon Jun 11, 2007 11:45 am	5	3160	Last post by AMIT KUMAR JAIN Tue Jun 12, 2007 3:58 am
GC analysis of amines by Mach » Fri Jun 08, 2007 7:33 am	1	2336	Last post by chromatographer1 Fri Jun 08, 2007 12:18 pm
USP Residual solvents chapter <467> by amarla » Wed Jun 06, 2007 5:58 am	3	2831	Last post by Schmitty Wed Jun 06, 2007 5:32 pm
GC-FID make-up gas, and various Newb questions by Vox » Tue Jun 05, 2007 7:41 pm	5	6395	Last post by GasMan Wed Jun 06, 2007 8:07 am
Phenol Disapearance by Ricardo » Wed May 30, 2007 5:01 pm	4	2915	Last post by AICMM Mon Jun 04, 2007 2:57 pm
Can we analys NG components + CO2+N2+H2S+Mercaptan by Nareshdangi » Wed May 30, 2007 3:35 am	4	3065	Last post by AICMM Mon Jun 04, 2007 2:52 pm
Quantitation of Ethanol in Ethanolate by KarenJ » Fri May 25, 2007 5:36 pm	6	3141	Last post by AICMM Mon Jun 04, 2007 2:38 pm
GC and soap leak detectors by chromy » Wed May 30, 2007 7:33 pm	8	5155	Last post by HW Mueller Mon Jun 04, 2007 7:41 am
GC Analyses of underivatized dicarboxylic acids by josebenjamin » Wed May 30, 2007 2:24 pm	2	2369	Last post by Peter Apps Fri Jun 01, 2007 2:43 pm
detection limit with FID by tolisfoto » Fri May 25, 2007 7:53 pm	4	2879	Last post by tolisfoto Wed May 30, 2007 5:11 pm
Head space problem by bhaskarr » Tue May 29, 2007 6:17 pm	3	2409	Last post by randytoad Wed May 30, 2007 2:34 pm
GC Derivitisation for uronic acids by Peggsy » Wed May 30, 2007 2:40 am	0	2120	Last post by Peggsy Wed May 30, 2007 2:40 am
GC column help by bhaskarr » Fri May 25, 2007 4:18 pm	2	2484	Last post by bhaskarr Tue May 29, 2007 6:11 pm
Am I right with the FAMES analysis by elaine.zhang » Wed Apr 18, 2007 2:30 am	11	5121	Last post by Bruce Hamilton Sat May 26, 2007 6:24 pm
Attaching a Packed column to a split/splitless injector. by Vox » Fri May 25, 2007 7:03 pm	4	3451	Last post by Consumer Products Guy Sat May 26, 2007 2:58 am
Methylation of lipids by Bannon method by wrighty » Thu May 24, 2007 11:12 am	4	2920	Last post by Bruce Hamilton Fri May 25, 2007 9:10 pm
GC oven doesn' t cool down! by sereth » Thu May 17, 2007 2:42 pm	7	4020	Last post by sereth Fri May 25, 2007 1:24 pm
Column Calibation by wrighty » Wed May 23, 2007 9:32 am	11	4021	Last post by lmb Thu May 24, 2007 6:24 pm
Pricing Structure Input by Roxanne42 » Thu May 24, 2007 3:01 pm	0	2116	Last post by Roxanne42 Thu May 24, 2007 3:01 pm
Determination of low levels of water by HbJ » Mon Apr 23, 2007 9:53 pm	8	3822	Last post by Serpico Wed May 23, 2007 9:27 pm
Analog outs on a 5890 by Vox » Fri May 18, 2007 8:30 pm	3	2993	Last post by jwmol Wed May 23, 2007 9:03 pm
GCMS question by labwork » Mon May 21, 2007 11:54 pm	8	4174	Last post by JI2002 Wed May 23, 2007 5:03 pm
Unstable initial temperature on GC-FID by JMat » Tue May 22, 2007 9:15 am	9	4006	Last post by GOM Wed May 23, 2007 1:13 pm
In soluble product - Residual solvents by bioram » Mon May 07, 2007 8:56 am	8	3597	Last post by bioram Mon May 21, 2007 11:00 am

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