Gas Chromatography

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GC Packed Columns by tbd694 » Mon Apr 17, 2006 5:44 pm	2	2660	Last post by Rafael Chust Fri Apr 21, 2006 2:52 pm
is smaller injection equivalent to more dilute solution inje by zimanli » Wed Apr 12, 2006 5:45 pm	9	4213	Last post by Rafael Chust Fri Apr 21, 2006 2:50 pm
H2 flow in FID by yuanmm » Wed Mar 15, 2006 2:43 pm	3	3752	Last post by Ron Fri Apr 21, 2006 2:10 pm
do you cap your spetum purge vent and split vent ports? by zimanli » Thu Apr 20, 2006 9:54 pm	3	2770	Last post by zimanli Fri Apr 21, 2006 1:54 pm
Methylation of 2-Hydroxy Fatty Acids by danib » Fri Apr 21, 2006 8:42 am	0	2160	Last post by danib Fri Apr 21, 2006 8:42 am
Reproducibility problems - alcohols and headspace by Anthony Doyle » Fri Mar 10, 2006 2:15 pm	9	6690	Last post by Ron Fri Apr 21, 2006 3:42 am
splitless inj with valve closed by gandreou » Thu Feb 09, 2006 8:45 am	6	3951	Last post by Ron Fri Apr 21, 2006 3:33 am
signal response by mike » Wed Mar 29, 2006 4:24 pm	3	2856	Last post by Ron Fri Apr 21, 2006 3:13 am
can PTV injection lead to false results? by kurtdm » Thu Apr 06, 2006 8:37 am	1	2578	Last post by Ron Fri Apr 21, 2006 3:03 am
FID and THMs analayzing by chemengineer » Wed Apr 12, 2006 7:36 am	12	5730	Last post by bluejay Wed Apr 19, 2006 3:40 pm
baseline jump - help by afischer » Mon Apr 17, 2006 5:37 pm	13	6655	Last post by afischer Wed Apr 19, 2006 3:24 pm
Method issues - optimal flow rate by ganna » Fri Apr 14, 2006 10:37 am	4	3354	Last post by chromatographer1 Tue Apr 18, 2006 12:35 pm
do you clean your split/splitless inlet vent line trap? by zimanli » Tue Apr 11, 2006 9:14 pm	2	4062	Last post by gcguy Mon Apr 17, 2006 10:15 am
Specification for triethylamine by vanjas » Sun Apr 16, 2006 5:43 am	2	3856	Last post by ntruong Mon Apr 17, 2006 3:58 am
Missing heavies C32 and C28 by pseudotexan » Thu Apr 13, 2006 4:25 pm	6	3555	Last post by Victor Sun Apr 16, 2006 4:52 pm
5890 Series II Instruction Manual by RobinL » Fri Apr 14, 2006 7:36 pm	1	2666	Last post by Consumer Products Guy Fri Apr 14, 2006 7:49 pm
GC - Ghost Peaks - small hump at 10 mins second time around by swheelz » Sun Apr 09, 2006 10:42 pm	11	5263	Last post by HW Mueller Thu Apr 13, 2006 4:21 pm
Packed GC Columns by tbd694 » Wed Apr 12, 2006 1:39 pm	4	3265	Last post by tbd694 Thu Apr 13, 2006 3:56 pm
Inlet trap on 6890 GC by ap01 » Tue Apr 11, 2006 5:49 pm	1	2582	Last post by ntruong Thu Apr 13, 2006 5:57 am
TCD of hydrogen in argon carrier by rekuci » Wed Apr 12, 2006 7:24 pm	1	2704	Last post by chromatographer1 Wed Apr 12, 2006 8:39 pm
spiky baseline by chemwipe » Mon Apr 03, 2006 8:37 pm	9	5574	Last post by rekuci Wed Apr 12, 2006 5:15 pm
Fatty Acid Standard Kits by josebenjamin » Tue Apr 11, 2006 5:09 pm	2	2958	Last post by HW Mueller Wed Apr 12, 2006 7:04 am
How to set septum purge flow? by zimanli » Mon Apr 10, 2006 7:59 pm	7	12256	Last post by zimanli Tue Apr 11, 2006 4:56 pm
I am using splitless liner for split injections. by zimanli » Mon Apr 10, 2006 9:30 pm	8	7384	Last post by zimanli Tue Apr 11, 2006 3:17 pm
Naphthenic acid analysis by Ricardo » Mon Mar 27, 2006 8:49 pm	4	3200	Last post by Consumer Products Guy Tue Apr 11, 2006 2:53 pm
TCD gas analysis by mantri21 » Tue Apr 11, 2006 10:25 am	1	2381	Last post by chromatographer1 Tue Apr 11, 2006 12:38 pm
Analyzing THMs in water by GC/ECD by chemengineer » Tue Apr 11, 2006 9:54 am	0	2212	Last post by chemengineer Tue Apr 11, 2006 9:54 am
Benzene in soft drink by ortelli » Fri Apr 07, 2006 3:08 pm	3	2993	Last post by MikeD Mon Apr 10, 2006 8:01 am
more on tailing, acetone, non-Wax phases --> my analytes by khirth » Thu Apr 06, 2006 3:02 pm	5	4813	Last post by Peter Apps Mon Apr 10, 2006 7:43 am
Change carrier gas by carol » Thu Apr 06, 2006 1:17 pm	6	6343	Last post by MikeD Fri Apr 07, 2006 2:01 pm
Headspace gas chromatography by stappg » Fri Apr 07, 2006 5:03 am	1	2618	Last post by chromatographer1 Fri Apr 07, 2006 1:08 pm
USP Vitamin E Acetate Assay by mjfrayer » Thu Mar 30, 2006 7:35 pm	5	4441	Last post by stappg Fri Apr 07, 2006 5:00 am
C19:0 Elution by afischer » Tue Apr 04, 2006 11:02 pm	5	3473	Last post by afischer Thu Apr 06, 2006 6:16 pm
Lab Contamination by msimone » Wed Apr 05, 2006 1:08 pm	4	3116	Last post by HW Mueller Thu Apr 06, 2006 8:37 am
Autosampler bending plunger by Les » Wed Apr 05, 2006 7:10 pm	0	2356	Last post by Les Wed Apr 05, 2006 7:10 pm
solvent effects by gcguy » Thu Mar 30, 2006 12:13 pm	1	2533	Last post by khirth Wed Apr 05, 2006 2:53 pm
test mixes by afischer » Sat Mar 11, 2006 12:19 am	2	2814	Last post by afischer Tue Apr 04, 2006 11:13 pm
strange baseline behavior by afischer » Tue Apr 04, 2006 10:58 pm	0	2466	Last post by afischer Tue Apr 04, 2006 10:58 pm
Calibration curve slope by zimanli » Mon Apr 03, 2006 2:57 pm	5	3165	Last post by Peter Apps Tue Apr 04, 2006 2:58 pm
Can internal standard method be used in headspace study? by zimanli » Mon Apr 03, 2006 3:00 pm	6	6017	Last post by zimanli Tue Apr 04, 2006 2:41 pm
Is temperature ramp too big harmful to the column? by zimanli » Mon Apr 03, 2006 7:05 pm	3	3120	Last post by Peter Apps Tue Apr 04, 2006 1:58 pm
Do I cool inlet and interface overnight? by zimanli » Fri Mar 31, 2006 10:51 pm	6	3181	Last post by zimanli Tue Apr 04, 2006 1:55 pm
Florisil by WK » Fri Mar 24, 2006 3:07 pm	6	8429	Last post by skunked_once Tue Apr 04, 2006 1:50 pm
Can I use splitless liner for split injection? by zimanli » Mon Apr 03, 2006 5:51 pm	2	3453	Last post by KC Tue Apr 04, 2006 1:10 pm
Methanizer question by chemguy » Tue Mar 21, 2006 10:04 pm	3	4833	Last post by chromatographer1 Mon Apr 03, 2006 3:53 pm
poly(butyl acrylate) hydrolysis by julia » Thu Mar 30, 2006 6:49 pm	3	3735	Last post by julia Mon Apr 03, 2006 11:08 am
UOP 744 calibration standard by laucchiun » Mon Apr 03, 2006 10:29 am	0	2797	Last post by laucchiun Mon Apr 03, 2006 10:29 am
GC software by cheen » Wed Mar 29, 2006 11:56 am	3	3258	Last post by jwmol Fri Mar 31, 2006 6:06 pm
Peaks on peaks... by chemwipe » Thu Mar 30, 2006 9:40 pm	2	2840	Last post by Rafael Chust Fri Mar 31, 2006 8:53 am
formaldehyde analysis with residual sodium formate by Stephanie » Wed Mar 29, 2006 10:31 pm	1	3205	Last post by chromatographer1 Thu Mar 30, 2006 1:05 pm

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