Gas Chromatography

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Welcome! by tom jupille » Thu Mar 11, 2021 6:30 pm	0	77926	Last post by tom jupille Thu Mar 11, 2021 6:30 pm

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Headspace and TVT/FET or MHE by IdiotFool » Tue Dec 20, 2011 7:13 pm	6	2326	Last post by IdiotFool Wed Dec 21, 2011 2:56 pm
CO2 & Air separation by neo_jm24 » Wed Dec 21, 2011 2:19 am	6	1984	Last post by neo_jm24 Wed Dec 21, 2011 8:13 am
GC COLUMN-METHOD QUESTION PLEASE by mebecker1 » Sat Dec 17, 2011 8:54 pm	3	2698	Last post by chromatographer1 Wed Dec 21, 2011 3:50 am
Limit of detection and area under the curve by dragosb » Tue Dec 20, 2011 7:56 am	2	2364	Last post by tom jupille Wed Dec 21, 2011 2:34 am
FPD detector NOT showing peaks for sulfur compounds produced by bogamisaad » Sat Dec 17, 2011 5:21 pm	6	4047	Last post by Peter Apps Tue Dec 20, 2011 6:56 am
How to export 'Integration Results' in Chemstation to Excel by Sajan » Sun Dec 18, 2011 8:42 am	2	3049	Last post by Csaba Tue Dec 20, 2011 11:34 am
GC standard addition questions by RhysB » Tue Dec 13, 2011 8:39 pm	10	4548	Last post by Karen01 Sun Dec 18, 2011 11:29 pm
GC Ammonia, Trimethylammonia detection in Headspace by jlw » Sat Dec 10, 2011 9:59 pm	9	9750	Last post by jlw Sun Dec 18, 2011 12:21 am
Calculating Conversion from GC peak by ameenshahid » Sat Dec 17, 2011 12:42 pm	2	5697	Last post by Johnny Rod Mon Dec 19, 2011 8:46 am
Volt to Pa conversion between chromatograms from different by Mike H. » Thu Dec 15, 2011 2:58 pm	7	8499	Last post by aldehyde Sat Dec 17, 2011 3:36 am
Diglyceride and Triglyceride Inconsistent Chromatography by II5tickmanII » Thu Dec 15, 2011 4:30 pm	12	4032	Last post by jdezeeuw Fri Dec 16, 2011 4:16 pm
Phenols tailed in GC by ym3142 » Thu Dec 15, 2011 3:29 pm	3	1933	Last post by jdezeeuw Fri Dec 16, 2011 1:32 pm
Question about switching from helium to hydrogen carrier gas by gmfan730 » Wed Dec 14, 2011 8:19 pm	9	3112	Last post by jdezeeuw Fri Dec 16, 2011 1:14 pm
Ar,O2 and N2 seperation by nareshkr » Wed Dec 14, 2011 6:36 am	4	3455	Last post by chromatographer1 Thu Dec 15, 2011 8:16 pm
Issue With Validation of A Method by mebecker1 » Tue Dec 13, 2011 3:58 am	12	3691	Last post by krickos Thu Dec 15, 2011 5:57 pm
Fatty acids analysis - in the presence of 90% water. by magda roth » Thu Oct 13, 2011 5:26 pm	16	3574	Last post by mckrause Thu Dec 15, 2011 3:51 pm
Increased noise on Varian TCD by Johnny Rod » Wed Dec 07, 2011 9:27 am	2	1579	Last post by Johnny Rod Thu Dec 15, 2011 10:48 am
Error: Floating point exception invalid number detected?? by Cest » Wed Dec 14, 2011 6:57 pm	4	5016	Last post by LCbob Thu Dec 15, 2011 11:49 am
phenol gc method reproducibility issues by SamC489 » Mon Dec 12, 2011 3:07 pm	6	2525	Last post by Consumer Products Guy Tue Dec 13, 2011 6:31 pm
5890 II plus flow rate problem by faris » Mon Dec 05, 2011 9:55 pm	6	2041	Last post by II5tickmanII Tue Dec 13, 2011 5:49 pm
Splitting of Hydrogen peak in GC TCD analysis!!!!!!! by jayasreekk » Tue Dec 13, 2011 8:49 am	2	2526	Last post by chromatographer1 Tue Dec 13, 2011 12:19 pm
O-FID by ardee » Tue Dec 06, 2011 12:16 am	3	2936	Last post by ardee Mon Dec 12, 2011 9:30 pm
GC conditions while not in use by sepscientologist » Mon Dec 12, 2011 5:39 pm	2	2086	Last post by aldehyde Mon Dec 12, 2011 6:25 pm
Air - Water Spectrum MS by lusi » Thu Dec 08, 2011 6:36 pm	28	6688	Last post by lusi Tue Jan 24, 2012 12:49 pm
Aqueous based extraction and GCMS by Azimpatar » Sat Dec 10, 2011 9:21 am	8	3419	Last post by Don_Hilton Mon Dec 12, 2011 1:01 pm
Specifi optical rotation relation by ananthjkumar » Wed Dec 07, 2011 10:08 am	6	2649	Last post by achkata Mon Dec 12, 2011 12:25 pm
GC for Syngas HEEELLLPPP!!!! by lupefiasco » Tue Nov 15, 2011 1:04 pm	6	3052	Last post by jayasreekk Mon Dec 12, 2011 9:32 am
Help: Funny GC/MS peak and identification by Azimpatar » Sun Dec 11, 2011 4:09 am	5	3193	Last post by ods-at-pacific Sun Dec 18, 2011 3:34 pm
micro extraction by ym3142 » Fri Dec 09, 2011 5:26 pm	3	1978	Last post by Peter Apps Mon Dec 12, 2011 7:03 am
Standard for hydrocarbon liquid by BEE » Fri Dec 02, 2011 2:15 pm	4	1659	Last post by aldehyde Fri Dec 09, 2011 6:33 pm
questions about switching to packed column by ljhainsw » Mon Nov 28, 2011 1:47 am	9	3337	Last post by Johnny Rod Fri Dec 09, 2011 2:50 pm
FID signal after methanol lower than the initial?!?! by srdalxMI » Wed Dec 07, 2011 3:16 pm	9	2798	Last post by chromatographer1 Fri Dec 09, 2011 2:29 am
Implementation of GLP : requirments by delph2522 » Thu Dec 08, 2011 9:34 pm	0	1762	Last post by delph2522 Thu Dec 08, 2011 9:34 pm
Headspace parameters question by Mike H. » Wed Dec 07, 2011 2:38 pm	3	2306	Last post by Bigbear Thu Dec 08, 2011 2:33 pm
Shimadzu GC-2010Plus with Empower 2 by Ivo » Thu Dec 08, 2011 7:08 am	0	1876	Last post by Ivo Thu Dec 08, 2011 7:08 am
Residual solvent in head space GC by ananthjkumar » Wed Dec 07, 2011 10:13 am	3	2278	Last post by chromatographer1 Thu Dec 08, 2011 4:49 am
Is GC capable of diluting a gas sample in a vial? by Hiz » Wed Nov 02, 2011 1:13 am	7	3001	Last post by eskarke Wed Dec 07, 2011 6:55 pm
Agilent 7890: how to install a third detector? by Russian » Tue Dec 06, 2011 5:41 pm	2	2464	Last post by AICMM Wed Dec 07, 2011 1:52 pm
New to GC - and I need help! by gothyka » Tue Nov 29, 2011 11:45 am	7	2183	Last post by chromatographer1 Wed Dec 07, 2011 1:45 pm
Why use nC4 as a tie by BEE » Thu Dec 01, 2011 2:48 pm	1	1593	Last post by Johnny Rod Wed Dec 07, 2011 9:36 am
hydrogen calibration issues ;40 ul manual injection, by ericglacier » Tue Nov 29, 2011 3:50 am	9	2367	Last post by Johnny Rod Wed Dec 07, 2011 9:33 am
MMI LVI Liner choice by Karen01 » Tue Dec 06, 2011 1:30 am	3	3104	Last post by aldehyde Wed Dec 07, 2011 5:00 am
Sample addition using a dual injection method. by davidmcrae » Fri Dec 02, 2011 7:47 pm	0	1642	Last post by davidmcrae Fri Dec 02, 2011 7:47 pm
Increasing resolution, GC-FID, fatty acids, Omegawax column by Phil Helmet » Thu Nov 24, 2011 8:56 am	12	3423	Last post by BZK Fri Dec 02, 2011 2:21 pm
Help Newbie RE: macros by rushrhees » Thu Dec 01, 2011 4:48 pm	1	2457	Last post by aldehyde Fri Dec 02, 2011 12:28 pm
MSD 5972 by cyro » Thu Nov 24, 2011 12:49 pm	7	2109	Last post by Bigbear Wed Nov 30, 2011 2:41 pm
USP 467 HS method by Mike H. » Fri Oct 28, 2011 3:33 pm	13	3078	Last post by krickos Tue Nov 29, 2011 4:31 pm
new to GC and have some issues so need help by bogamisaad » Wed Nov 16, 2011 1:23 pm	7	2153	Last post by larkl Tue Nov 29, 2011 1:47 pm
Ion gauge problem in 5972 by faris » Wed Nov 23, 2011 5:33 am	2	1539	Last post by aldehyde Mon Nov 28, 2011 5:32 pm
No flow from the septum purge by faris » Wed Nov 23, 2011 10:42 pm	8	4723	Last post by faris Mon Nov 28, 2011 12:53 am

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