Gas Chromatography

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Topics	Replies	Views	Last post
Quantitation of mineral oil (liquid vaseline) as an API by qfiviera » Fri Jan 22, 2016 12:27 pm	5	5229	Last post by qfiviera Mon Jan 25, 2016 9:59 am
Gas leak detector by Bigbear » Thu Jan 21, 2016 4:00 pm	4	3563	Last post by Bigbear Fri Jan 22, 2016 1:35 pm
Looking for a Tekmar septum needle adaptor by dlntx9 » Tue Dec 22, 2015 10:07 pm	2	3897	Last post by RogerBardsley Wed Jan 20, 2016 7:31 pm
Eur. Ph. Castor oil identification with GC-FID by Nordlin » Fri Jan 15, 2016 6:49 pm	2	4905	Last post by Consumer Products Guy Wed Jan 20, 2016 5:07 pm
Changing Elution Order of Peaks on FID by la_donz27 » Tue Jan 19, 2016 5:30 pm	4	5085	Last post by la_donz27 Wed Jan 20, 2016 3:50 pm
A mixture of oils with GC-FID by Nordlin » Fri Jan 15, 2016 7:25 pm	3	3602	Last post by GOM Tue Jan 19, 2016 5:16 pm
GCECD response by seet » Tue Jan 19, 2016 12:58 pm	1	2738	Last post by rb6banjo Tue Jan 19, 2016 3:04 pm
Peak Clipping by esanchez@intertek » Mon Jan 18, 2016 5:04 pm	1	3280	Last post by dblux_ Mon Jan 18, 2016 9:53 pm
Issues with baseline on Varian-450 GC by JWF239 » Thu Jan 14, 2016 2:14 pm	8	4815	Last post by rb6banjo Fri Jan 15, 2016 5:59 pm
Valves and gas sampling loop 7890A by JulieB » Mon Jan 11, 2016 9:09 pm	5	4090	Last post by GasMan Fri Jan 15, 2016 2:13 pm
Split flow problem by tinsang » Thu Oct 08, 2015 9:44 am	12	7626	Last post by Frenky77 Fri Jan 15, 2016 8:25 am
spiking in baseline by lb11xy » Thu Jan 14, 2016 3:18 am	1	2876	Last post by Peter Apps Thu Jan 14, 2016 6:48 am
CO tailing by abdurahman alkaff » Wed Jan 13, 2016 2:06 am	0	3385	Last post by abdurahman alkaff Wed Jan 13, 2016 2:06 am
O2, CO2 and CH4 with ShinCarbon ST 80/100 2mx2mm (TCD + FID) by Noxi » Fri Jan 08, 2016 3:48 am	5	7123	Last post by GOM Mon Jan 11, 2016 10:01 pm
Agilent 6850 Fault Inlet Fan by bstratton » Wed Jan 06, 2016 3:19 pm	1	4636	Last post by bstratton Mon Jan 11, 2016 3:00 pm
Bruker 450-GC - Rear EFC Flow Alarm by OffshoreChemist » Sun Jan 03, 2016 5:31 pm	1	4484	Last post by Peter Apps Sun Jan 03, 2016 6:30 pm
HT GC as alternative to lipid removal. by MSCHemist » Fri Dec 18, 2015 12:42 am	9	5228	Last post by MSCHemist Fri Jan 01, 2016 6:35 pm
SRI 8610 vs HP 5890 GC - any recommendations? by lespaul » Tue Dec 08, 2015 6:28 pm	15	8990	Last post by MSCHemist Wed Dec 30, 2015 4:03 pm
C1-C16 Liquid condensate calibration Standard where to buy?? by seamoro » Mon Dec 21, 2015 5:34 pm	4	3670	Last post by GasMan Tue Dec 29, 2015 1:29 pm
Determining ctc/pal parameters by chem111 » Mon Dec 21, 2015 6:37 am	1	3895	Last post by sav Wed Dec 23, 2015 4:35 pm
Peak area getting smaller and smaller with every injection! by deanne0711 » Sun Dec 20, 2015 11:54 pm	1	3034	Last post by sav Wed Dec 23, 2015 4:25 pm
Single Taper Gooseneck 4mm for split injections by WK » Mon Dec 21, 2015 11:15 am	1	2971	Last post by sav Wed Dec 23, 2015 3:58 pm
Losing Hydrogen pressure when running two GCs from Generator by dlntx9 » Tue Dec 15, 2015 11:21 pm	10	5667	Last post by Peter Apps Wed Dec 23, 2015 5:57 am
DMF peak in USP residual solvents by simonhall » Tue Dec 15, 2015 11:40 am	4	4545	Last post by dlbenach Tue Dec 22, 2015 6:55 pm
New GC configuration for biogas analysis by peerm.abdul » Wed Dec 16, 2015 2:52 am	4	4510	Last post by AICMM Mon Dec 21, 2015 7:13 pm
NP Bead recoating by agwosdz » Wed Jun 13, 2012 4:09 pm	2	3471	Last post by AICMM Mon Dec 21, 2015 7:07 pm
Pneumatic Plumbing for H2 FID on 4-unit Agilent 6/7890 array by HippyLabRat » Mon Dec 07, 2015 9:00 pm	7	3741	Last post by AICMM Mon Dec 21, 2015 7:03 pm
Headspace analysis of tolueen in unleaded gasoline by Happymadness » Sat Dec 19, 2015 10:32 am	3	3214	Last post by AICMM Mon Dec 21, 2015 6:48 pm
Low recoveries for EPA Method 508 by mdewald » Wed Oct 28, 2015 5:06 pm	2	3376	Last post by mdewald Mon Dec 21, 2015 2:14 pm
Complexity/Cost of ownership - LC vs GC? by lespaul » Tue Dec 15, 2015 8:58 pm	12	18044	Last post by mckrause Fri Mar 11, 2016 6:11 am
HS Sample Loop Issue (cGMP) by slickproof » Thu Dec 10, 2015 5:29 pm	4	3512	Last post by Peter Apps Sat Dec 12, 2015 7:02 am
Area Percent Calculation on TCD and inlet question by LabProARW » Tue Nov 24, 2015 2:45 pm	1	3005	Last post by freddiespedalo Thu Dec 10, 2015 11:59 am
Agilent vs. Thermo vs. Shimadzu by meystingray » Tue Dec 08, 2015 4:17 pm	6	16659	Last post by dr_bahram1977 Wed Dec 09, 2015 9:34 pm
Fragrace GC Analysis by meystingray » Tue Dec 08, 2015 4:23 pm	5	3803	Last post by rb6banjo Tue Dec 08, 2015 8:29 pm
Headspace repeatability issue by chem111 » Wed Dec 02, 2015 1:35 pm	5	4467	Last post by krickos Mon Dec 07, 2015 9:56 pm
Unidentified peaks in natural gas by lotusf33t » Mon Nov 30, 2015 5:20 pm	3	3526	Last post by GOM Mon Dec 07, 2015 12:52 am
split ratio dilution factor. by pstaunton » Fri Dec 04, 2015 3:53 am	2	4102	Last post by Peter Apps Sat Dec 05, 2015 11:43 am
Area percent on TCD calculation on overloaded column by LabProARW » Tue Nov 24, 2015 3:25 pm	1	2936	Last post by HippyLabRat Fri Dec 04, 2015 5:45 pm
Determination of BCl3 and PCl3 in chlorosilane samples by GC by onepiece » Mon Nov 30, 2015 11:36 am	3	4293	Last post by aidnai Thu Dec 03, 2015 8:33 pm
Loss of Hydrocarbon Sensitivity on FID by la_donz27 » Thu Nov 26, 2015 9:53 pm	5	3255	Last post by la_donz27 Thu Dec 03, 2015 8:11 pm
Strange peak on FID and PFPD by Noxi » Mon Nov 30, 2015 4:48 am	2	3082	Last post by Noxi Thu Dec 03, 2015 6:17 am
Peak Area Counts Going Down Over a Run by chemsgirl » Tue Dec 01, 2015 5:16 pm	3	3144	Last post by Peter Apps Wed Dec 02, 2015 4:25 pm
Benzene analysis with GC-FID by Mungun » Mon Nov 30, 2015 2:32 am	5	7192	Last post by rb6banjo Wed Dec 02, 2015 2:05 pm
GC 7890 Syringe Breaking Issues by xav8020 » Mon Nov 16, 2015 6:56 pm	8	9326	Last post by Bigbear Tue Dec 01, 2015 6:19 pm
Headspace liners by pstaunton » Mon Nov 23, 2015 4:32 pm	2	4764	Last post by Bigbear Tue Dec 01, 2015 5:00 pm
Webinar! Ionic Liquid Columns, and Multidimensional GC by CF - David Hills » Tue Dec 01, 2015 8:25 am	0	5432	Last post by CF - David Hills Tue Dec 01, 2015 8:25 am
Air flow drop during flame ignition by ChemDoc » Mon Nov 30, 2015 5:42 pm	4	4179	Last post by kubowicz.tomasz Tue Dec 01, 2015 7:07 am
Method for analysis of H2S,CO2 and Hydrocarbons in Amine Sol by raj_makhamale » Mon Nov 30, 2015 6:52 am	0	5740	Last post by raj_makhamale Mon Nov 30, 2015 6:52 am
peak in DMF blank injection by emmcoo » Wed Aug 31, 2011 2:01 pm	3	7959	Last post by kubowicz.tomasz Fri Nov 27, 2015 6:43 am
USP G16, G25 and G35 column difference by sisay » Thu Nov 19, 2015 7:42 am	4	6580	Last post by sisay Thu Nov 26, 2015 3:46 am

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