Gas Chromatography

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Welcome! by tom jupille » Thu Mar 11, 2021 6:30 pm	0	77924	Last post by tom jupille Thu Mar 11, 2021 6:30 pm

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Bruker (Varian) 430-GC column timeout error? by guerrero77 » Wed Aug 03, 2011 1:41 pm	1	3610	Last post by Ultimate Science 101 Thu Aug 04, 2011 1:56 am
Poor receovery of Ethylene Glycol from GC-FID direct inject by meadowlane » Tue Aug 02, 2011 2:01 pm	4	2862	Last post by chromatographer1 Wed Aug 03, 2011 8:33 pm
how to calculate FAME content from a chromatogram? by zohre » Sat Jun 18, 2011 11:05 am	7	5556	Last post by chromatographer1 Wed Aug 03, 2011 8:00 pm
Internal standard for organochlorinated pesticides by thohry » Wed Jul 27, 2011 1:34 am	3	2077	Last post by tlahren Wed Aug 03, 2011 12:17 pm
analyze ethoxylated nonionic surfactant by parsely10 » Sat Jul 23, 2011 10:52 pm	11	4225	Last post by parsely10 Wed Aug 03, 2011 4:01 am
GCMS RT difference of analyte in different solvents by Edde » Tue Aug 02, 2011 1:02 pm	2	2010	Last post by Edde Tue Aug 02, 2011 3:11 pm
Verification of USP Residual solvents <467> with USP <1226> by Charles A. Burger » Fri Jul 29, 2011 8:48 pm	1	2628	Last post by DSP007 Tue Aug 02, 2011 7:05 am
Quantification of Esters by GC-MS by Murugan Saravanan » Mon Aug 01, 2011 4:20 pm	2	2321	Last post by Murugan Saravanan Tue Aug 02, 2011 4:38 am
Varian 450 by openx » Sat Jul 30, 2011 1:56 am	2	1689	Last post by CE Instruments Mon Aug 01, 2011 10:19 am
Carboxen 1000 for vapor analysis. by michedido » Fri Jul 29, 2011 4:49 pm	1	1804	Last post by chromatographer1 Sat Jul 30, 2011 5:22 am
Has anyone stacked vertically GC's ? by lgchrom » Thu Jul 28, 2011 11:34 am	5	1799	Last post by CE Instruments Fri Jul 29, 2011 10:33 am
alkoxyglycerol testing by Peterchu » Thu Jul 28, 2011 1:02 am	3	1873	Last post by Peterchu Fri Jul 29, 2011 12:59 am
Stray Peak: Some Beginner's Questions by Saladsamurai » Wed Jul 27, 2011 5:09 pm	7	5042	Last post by chromatographer1 Sat Aug 13, 2011 3:59 am
Novice Question about GC configuration by lgchrom » Wed Jul 27, 2011 8:10 pm	8	2159	Last post by Peter Apps Thu Jul 28, 2011 12:40 pm
Determination of dimethylsulphoxide by Head space GC by ganapathironanki » Thu May 26, 2011 9:20 am	9	4773	Last post by Peter Apps Wed Jul 27, 2011 7:15 am
Can we run impurity in GC by sank_yb81 » Wed Jul 20, 2011 11:06 am	2	1720	Last post by krickos Tue Jul 26, 2011 2:31 pm
low nitrgen responce by zaidalisharif1 » Tue Jul 26, 2011 7:42 am	3	1577	Last post by AICMM Tue Jul 26, 2011 1:46 pm
exchanging FID with TCD by DaBrainz » Fri Jul 22, 2011 9:25 pm	6	2075	Last post by DaBrainz Tue Jul 26, 2011 12:43 pm
GC peaks by nasss » Sat Jul 23, 2011 7:45 am	2	1464	Last post by AICMM Tue Jul 26, 2011 1:41 am
Setting up a NPD on HP5890 by 4footsnake » Mon Jul 25, 2011 10:49 am	1	1463	Last post by AICMM Tue Jul 26, 2011 1:38 am
NPD Agilent 7890/6890 by push » Sun Jul 24, 2011 6:53 am	2	1836	Last post by AICMM Tue Jul 26, 2011 1:35 am
Peak Shapes by wheeltops » Thu Jul 21, 2011 1:21 pm	6	2140	Last post by AICMM Tue Jul 26, 2011 1:33 am
Eucalyptol 100 % GC Chromatogram by AOTERFER » Thu Jul 21, 2011 6:13 pm	8	2801	Last post by chromatographer1 Mon Jul 25, 2011 8:43 pm
Related substances calculation as per EP by vishall79 » Sat Jul 23, 2011 8:36 am	1	2504	Last post by krickos Mon Jul 25, 2011 3:20 pm
Problem - No chromatogram trace on HP6890 GC/MS by sirpatty79 » Sun Jul 24, 2011 9:06 pm	2	2196	Last post by sirpatty79 Wed Jul 27, 2011 5:55 pm
random nosie in FID by mr3573 » Fri Jul 01, 2011 4:49 am	5	1850	Last post by mr3573 Sat Jul 23, 2011 7:08 am
Parallel analyses by caryjm » Thu Jul 21, 2011 7:18 pm	2	2004	Last post by Spuzzin Fri Jul 22, 2011 2:20 pm
Agilent 7890 "Thermal Shutdown" by knizio » Wed Jul 20, 2011 5:19 pm	7	12017	Last post by nbt_shell Fri Jul 22, 2011 1:46 pm
problem of column by dalyborj » Wed Jul 13, 2011 6:34 pm	2	1906	Last post by petroleum Fri Jul 22, 2011 12:53 pm
Varian 3800 RGA for H2 (problem in detection) by petroleum » Thu Jul 21, 2011 11:36 am	4	1923	Last post by petroleum Fri Jul 22, 2011 10:38 am
P-Nitroaniline GC Method by S.M.PANDYA » Wed Jul 20, 2011 6:12 am	2	2055	Last post by tlahren Thu Jul 21, 2011 3:51 pm
FAME interference by DaBrainz » Sat Jul 09, 2011 9:52 pm	9	2120	Last post by Peter Apps Thu Jul 21, 2011 1:45 pm
Missing points in the Galaxie Calibration Curve by TesoroSLC » Thu Jun 16, 2011 1:58 pm	2	1729	Last post by petroleum Thu Jul 21, 2011 11:18 am
Free hydrazine quantification by GC by mskishore13 » Sat Jul 16, 2011 2:27 am	12	4161	Last post by gcguy Thu Jul 21, 2011 7:31 am
Agilent 6890N GC hardware problem by queenann » Wed Jul 06, 2011 9:11 pm	9	7374	Last post by queenann Wed Jul 20, 2011 2:29 pm
configuration of the instrument interface by alba » Fri Jul 08, 2011 9:48 am	7	5452	Last post by alba Mon Jul 18, 2011 5:03 pm
agilent GC6890 MS5973 troubleshooting and grob mix by calston » Wed Jul 13, 2011 6:01 pm	4	1872	Last post by calston Mon Jul 18, 2011 3:35 pm
Method Development by lusi » Tue Jul 12, 2011 8:29 pm	10	1970	Last post by lusi Mon Jul 18, 2011 12:16 pm
FID hydrogen problem by achkata » Tue Jul 05, 2011 12:39 pm	4	2134	Last post by Forse Mon Jul 18, 2011 12:15 pm
Traps or filters? by alba » Mon Jul 18, 2011 8:26 am	0	1431	Last post by alba Mon Jul 18, 2011 8:26 am
Concentration of Sample by KMP » Tue Jul 12, 2011 8:46 am	2	2140	Last post by KMP Mon Jul 18, 2011 5:11 am
Hexafluoroacetylacetone by Chandresh K. Soni » Thu Jul 14, 2011 4:41 am	4	2123	Last post by Chandresh K. Soni Sat Jul 16, 2011 6:32 am
difluoroethane (DFE) using HS-GC by judyjong » Tue Jul 05, 2011 6:50 pm	8	2542	Last post by chromatographer1 Fri Jul 15, 2011 7:04 pm
Two Columns by itsbourne » Wed Jul 13, 2011 7:28 pm	6	2382	Last post by chromatographer1 Fri Jul 15, 2011 3:07 pm
Autotune passing criteria for 5975c by jroberts » Thu Jul 14, 2011 2:57 pm	3	2699	Last post by willnatalie Thu Jul 28, 2011 6:56 pm
SF6 and CFC analysis with packed columns on an ECD by mcr2727 » Thu Jul 14, 2011 6:31 pm	0	2250	Last post by mcr2727 Thu Jul 14, 2011 6:31 pm
Nonlinear FID results by dchandler » Fri Jul 08, 2011 9:26 pm	9	2654	Last post by dchandler Thu Jul 14, 2011 3:28 pm
A Question on the Linearity of TCD Detector Response. by Naffer » Wed Jul 13, 2011 8:08 am	3	2501	Last post by chromatographer1 Wed Jul 13, 2011 11:25 pm
2-fluorobiphenyl -Internal standard for PAHs by itsbourne » Thu Jul 07, 2011 9:13 pm	3	2249	Last post by itsbourne Wed Jul 13, 2011 7:26 pm
Question regarding GC sampling by lfcfan » Thu Jul 07, 2011 8:47 am	5	2157	Last post by GasMan Wed Jul 13, 2011 7:12 pm

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