Gas Chromatography

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Welcome! by tom jupille » Thu Mar 11, 2021 6:30 pm	0	74412	Last post by tom jupille Thu Mar 11, 2021 6:30 pm

Topics	Replies	Views	Last post
controlling needle depth in GC vial by MasdarIST » Tue Mar 17, 2015 10:52 am	5	4770	Last post by MasdarIST Wed Mar 18, 2015 7:47 am
FID on the Varian 430GC by cmoral » Thu Jan 29, 2015 3:32 pm	5	4075	Last post by cmoral Mon Mar 16, 2015 1:49 pm
GCMS Is it necessary to separate peaks ? by seamoro » Tue Mar 18, 2014 9:40 pm	8	5919	Last post by mckrause Sat Mar 21, 2015 4:04 am
Napthalene-d8 spike recovery Issue by srikkanth4somarouthu » Sun Mar 15, 2015 9:43 pm	0	3168	Last post by srikkanth4somarouthu Sun Mar 15, 2015 9:43 pm
Rock Eval II by syringe » Sat Mar 14, 2015 1:43 am	0	3228	Last post by syringe Sat Mar 14, 2015 1:43 am
Double Emission Ramp by Bridget85 » Fri Mar 13, 2015 3:41 pm	2	3277	Last post by James_Ball Mon Mar 23, 2015 11:48 pm
Propane/Butane GC analysis optimization help by Evmm » Thu Mar 12, 2015 10:29 am	9	6864	Last post by muGC Thu Mar 12, 2015 5:53 pm
gc carrier gas by ydna6969 » Thu Jan 22, 2015 8:34 am	14	6790	Last post by Steve Reimer Wed Mar 11, 2015 3:29 pm
PE Clarus 600 detection and quatitation limits? by chemEZ » Mon Mar 09, 2015 2:28 pm	4	3300	Last post by Peter Apps Tue Mar 10, 2015 1:07 pm
GC headspace peaks size decreaseing by Mary2014 » Tue Mar 03, 2015 7:57 pm	4	3485	Last post by baderfrank Tue Mar 10, 2015 12:18 pm
Turbomatrix HS on Agilent 7890B GC - Splitless settings by baderfrank » Mon Mar 09, 2015 1:14 pm	4	3297	Last post by chemstation Tue Mar 10, 2015 6:38 am
Connect GC 6890N to PLC by GCleo » Tue Dec 17, 2013 11:16 pm	7	4101	Last post by uzman Mon Mar 09, 2015 6:00 pm
Removal of P&T Unit by rb6banjo » Sat Feb 28, 2015 9:05 pm	9	3728	Last post by rb6banjo Sat Mar 07, 2015 1:38 pm
Carryover? by pstaunton » Thu Mar 05, 2015 1:27 am	1	2444	Last post by Peter Apps Thu Mar 05, 2015 7:03 am
Pre-run Macro not running 5890 Series II Chemstation B.03.02 by aidnai » Mon Mar 02, 2015 8:38 pm	3	2943	Last post by GasMan Wed Mar 04, 2015 1:13 pm
help with a Varian GC by cindywilliams » Wed Jan 21, 2015 2:27 pm	1	2764	Last post by Jihad Wed Mar 04, 2015 6:07 am
varian 3800 split ratio by chricol » Tue Mar 03, 2015 1:45 pm	5	3237	Last post by Peter Apps Wed Mar 04, 2015 5:32 am
missing nitrogen component by Real » Thu Feb 26, 2015 6:03 pm	0	2891	Last post by Real Thu Feb 26, 2015 6:03 pm
Fatty acid esterfication and aqueous samples by MSCHemist » Mon Feb 23, 2015 1:36 am	5	3948	Last post by MSCHemist Thu Feb 26, 2015 5:47 pm
Syringe size - GC Agilent configuration by max_planck » Tue Feb 24, 2015 12:01 pm	6	6953	Last post by AaronAIT Thu Feb 26, 2015 3:39 pm
Headspace 7694e not heating? new to headspace. by jrenzas » Wed Nov 26, 2014 12:46 am	9	5432	Last post by aldehyde Tue Feb 24, 2015 5:44 pm
HP5890 Connection to Computer by Iordan1 » Thu Jan 22, 2015 6:25 pm	10	6482	Last post by Iordan1 Mon Feb 23, 2015 4:46 pm
no peaks showing in GC Chromatogram by Blakey » Mon Feb 16, 2015 3:27 pm	6	9831	Last post by Peter Apps Sun Feb 22, 2015 9:42 am
HP 5890 TCD Solenoid Not Ticking by electrode » Fri Feb 20, 2015 3:19 pm	0	3126	Last post by electrode Fri Feb 20, 2015 3:19 pm
Electron multiplier, change, sensitivity by k.schmidt » Thu Feb 19, 2015 3:57 pm	1	4715	Last post by lmh Tue Feb 24, 2015 1:55 pm
GC reproducibility issue. by Achilles » Tue Feb 17, 2015 4:07 pm	3	2947	Last post by Bigbear Wed Feb 18, 2015 4:11 pm
6890N Empower 3 Settings For Syringe by AlphaOmega » Sun Feb 15, 2015 8:33 pm	1	5246	Last post by AaronAIT Wed Feb 18, 2015 2:48 pm
Chlorobenzene in Methanol by AZBiodiesel » Fri Feb 13, 2015 7:43 pm	8	4165	Last post by AZBiodiesel Tue Feb 17, 2015 7:24 pm
Supercritical fluid gas chromatograph by roostorf » Thu Aug 23, 2012 4:15 am	9	3985	Last post by Peter Apps Mon Feb 16, 2015 9:18 pm
TCD equation for sensitivity by stimson23 » Mon Feb 16, 2015 1:38 pm	3	3491	Last post by Peter Apps Mon Feb 16, 2015 5:45 pm
Problems with getting a stable PFPD signal by big boss 88 » Sun Jan 25, 2015 4:15 pm	19	8434	Last post by muGC Mon Feb 16, 2015 4:02 pm
Trying to RUN 552.2 on Perkin Clarus 600 by rhlab » Tue Feb 10, 2015 9:40 pm	4	3174	Last post by rhlab Fri Feb 13, 2015 8:28 pm
Clarus 500 for biodiesel free and total glycerin test ASTM D by brighttiger1 » Sat Jan 31, 2015 2:22 am	2	3199	Last post by AZBiodiesel Fri Feb 13, 2015 4:39 pm
a nonroutine crude Fame Procedure by MSCHemist » Mon Jan 26, 2015 4:58 pm	16	6037	Last post by MSCHemist Thu Feb 12, 2015 7:34 pm
Troubleshooting Archon autosampler by pacerlaser » Thu Jan 22, 2015 7:58 pm	4	4998	Last post by Yama001 Thu Feb 12, 2015 4:46 pm
TCD basline noise by byronbg » Thu Feb 05, 2015 10:53 am	7	4969	Last post by byronbg Thu Feb 12, 2015 12:57 pm
Problem with Tekmar autosampler by pame!!! » Tue Feb 10, 2015 6:46 pm	3	3065	Last post by MSCHemist Wed Feb 11, 2015 9:34 pm
Varian 3800 EFC problem by aridelus » Wed Feb 11, 2015 9:10 pm	0	3052	Last post by aridelus Wed Feb 11, 2015 9:10 pm
Suggestions on MSD for HP5890? by dlntx9 » Wed Feb 11, 2015 4:54 pm	1	2660	Last post by MSCHemist Wed Feb 11, 2015 5:08 pm
Assay problem by tinsang » Tue Feb 10, 2015 2:44 pm	0	2865	Last post by tinsang Tue Feb 10, 2015 2:44 pm
Controlling a Valco Micro Electric Valve with a 5890II GC by MaiKai » Mon Feb 09, 2015 8:28 pm	2	2966	Last post by MaiKai Mon Feb 09, 2015 9:35 pm
CTC Tray Type Definition by labstephan » Tue Jan 13, 2015 11:28 am	7	4557	Last post by labstephan Sun Feb 08, 2015 5:51 pm
column conditioning needed or it is another problem? by ketej andej » Thu Feb 05, 2015 6:01 pm	9	4783	Last post by MSCHemist Sat Feb 07, 2015 6:30 pm
Headpace-methylation will H2SO4 in vial damage GC? by MSCHemist » Wed Jan 28, 2015 8:33 pm	17	8124	Last post by Peter Apps Fri Feb 06, 2015 9:29 am
Analyzing FAME's in Olive Oil using GC- FID by ketej andej » Tue Feb 03, 2015 3:03 pm	16	7096	Last post by MSCHemist Thu Feb 05, 2015 11:44 pm
autosystem xl - ecd by elio1s2 » Tue Feb 03, 2015 2:49 pm	0	3258	Last post by elio1s2 Tue Feb 03, 2015 2:49 pm
Injections of Aqueous Solutions into a GC by mattmullaney » Sun Feb 01, 2015 2:41 pm	14	6369	Last post by mattmullaney Tue Feb 03, 2015 8:32 am
GC method development by yara » Mon Feb 02, 2015 8:43 pm	3	3182	Last post by Peter Apps Tue Feb 03, 2015 7:00 am
6890N Fault 240—Mux ADC thermal shutdown by ingochrist » Wed Oct 01, 2014 7:29 pm	1	4304	Last post by syringe Sat Jan 31, 2015 1:43 pm
Problem with a CP-8400 Autosampler by Warack » Fri Jan 30, 2015 3:22 am	2	4527	Last post by Warack Sat Jan 31, 2015 1:42 am

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