Gas Chromatography

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Welcome! by tom jupille » Thu Mar 11, 2021 6:30 pm	0	80371	Last post by tom jupille Thu Mar 11, 2021 6:30 pm

Topics	Replies	Views	Last post
Archon 5100A error position out of range by paceyourself » Mon Sep 28, 2015 1:10 pm	4	3279	Last post by paceyourself Tue Oct 06, 2015 2:21 pm
Random sharp air peaks by zegockie » Mon Sep 28, 2015 5:40 pm	8	4169	Last post by zegockie Mon Oct 05, 2015 1:22 pm
gas chromatography of silane by jamaica1953 » Thu Oct 01, 2015 12:17 pm	2	3215	Last post by jamaica1953 Mon Oct 05, 2015 7:40 am
No Peaks - any help by HPHealth » Thu Oct 01, 2015 12:01 pm	3	2929	Last post by HPHealth Sun Oct 04, 2015 9:10 am
Method Validation Question by wjet » Fri Oct 02, 2015 7:40 pm	1	2835	Last post by tom jupille Sat Oct 03, 2015 5:49 pm
TPH-Diesel Range Organics method questions by pacerlaser » Tue Jul 07, 2015 9:45 pm	8	5362	Last post by pacerlaser Thu Oct 01, 2015 6:02 pm
GC/Headspace carryover by Emma.L » Fri Sep 25, 2015 12:24 am	2	5879	Last post by kubowicz.tomasz Fri Sep 25, 2015 6:42 am
Inlet wont return to test temperature by vehans » Wed Sep 16, 2015 4:24 pm	3	3373	Last post by vehans Thu Sep 24, 2015 5:39 pm
Porapak Q performance test by atiqah_ms » Fri Jun 21, 2013 8:57 am	2	3180	Last post by HPHealth Thu Sep 24, 2015 3:45 pm
Variation in results by catrinaf » Wed Sep 23, 2015 10:45 am	16	5484	Last post by Peter Apps Thu Sep 24, 2015 9:55 am
Cuantification of Zinc salt of Ricinoleic Acid by AndreaP » Wed Sep 23, 2015 9:17 am	4	3573	Last post by Consumer Products Guy Wed Sep 23, 2015 3:39 pm
Hydrogen detection limit by thohry » Mon Sep 21, 2015 4:11 am	4	3531	Last post by thohry Wed Sep 23, 2015 2:03 am
HP 5890 attenuation issue by fla4ritup » Mon Sep 21, 2015 8:52 pm	13	3927	Last post by cleh Tue Sep 22, 2015 10:30 pm
diacetyl tailing by sepscientologist » Mon Aug 03, 2015 9:34 pm	9	4710	Last post by thohry Mon Sep 21, 2015 4:17 am
Thermal Shutdowns on Agilent 7890a by dscottltc » Wed Oct 10, 2012 9:02 pm	14	15858	Last post by thohry Mon Sep 21, 2015 3:52 am
Water/N2 In GC/MS by S. Chasse » Fri Sep 18, 2015 3:35 pm	16	7761	Last post by KipDM Thu Sep 24, 2015 6:31 pm
Pigtail - packed column on a capillary ready GC by vehans » Tue Aug 25, 2015 7:11 pm	5	4458	Last post by Consumer Products Guy Thu Sep 17, 2015 3:14 pm
Agilent GC-LTM system by Ivo » Wed Sep 16, 2015 8:54 am	0	3973	Last post by Ivo Wed Sep 16, 2015 8:54 am
Problems connecting Shimadzu GC 14B to PC by betimsadriu » Sat Sep 05, 2015 6:37 pm	4	6592	Last post by antonk Tue Sep 15, 2015 7:49 pm
Sampling rate by pstaunton » Tue Sep 15, 2015 12:47 am	5	12207	Last post by rb6banjo Tue Sep 15, 2015 6:58 pm
GC-MS air percentage increases with oven temperature by eoms » Fri Aug 28, 2015 6:39 pm	17	7529	Last post by Bigbear Tue Sep 15, 2015 6:41 pm
Headspace oven temperature drift. by pontiuspilot » Thu Jun 18, 2015 3:51 pm	12	6321	Last post by pontiuspilot Fri Sep 11, 2015 5:27 pm
Deactivated silica in transfer line by Jasn » Wed Sep 09, 2015 9:00 am	3	2812	Last post by Peter Apps Thu Sep 10, 2015 7:22 am
PCBs vs. Aroclor by GC/ECD by thohry » Sun Sep 06, 2015 3:32 am	2	2969	Last post by thohry Tue Sep 08, 2015 2:53 am
FID signal by thohry » Thu Aug 27, 2015 3:17 pm	5	4417	Last post by antonk Sat Sep 05, 2015 4:10 pm
Eclipse 4660 Purge and Trap unit not powering on by esstar » Thu Aug 27, 2015 6:12 am	1	3008	Last post by Yama001 Thu Sep 03, 2015 7:59 pm
Column degrading in GCMS by versitian » Wed Aug 12, 2015 4:42 am	3	3548	Last post by KipDM Thu Sep 03, 2015 7:13 pm
Injector towers interchangeable? by whdees » Mon Aug 24, 2015 6:14 pm	2	2964	Last post by KipDM Thu Sep 03, 2015 7:05 pm
Gaseous toluene, calibration curve by Lisa_Canada » Tue Aug 25, 2015 9:25 am	2	3268	Last post by AICMM Thu Sep 03, 2015 2:18 pm
Is area% a useful parameter in FID-GC? by Mike H. » Tue Aug 25, 2015 2:22 pm	3	3399	Last post by AICMM Thu Sep 03, 2015 2:10 pm
System Suitability for GC methods_LOQ injection needed? by Velouria444 » Wed Sep 02, 2015 7:03 am	2	3432	Last post by rb6banjo Wed Sep 02, 2015 1:59 pm
Alkenes separation on a non polar column by Edithv » Wed Aug 19, 2015 2:28 pm	10	5065	Last post by Edithv Wed Sep 02, 2015 8:45 am
USP 467 Residual Solvents Questions by mennis71 » Mon Aug 31, 2015 6:47 pm	1	3505	Last post by Consumer Products Guy Tue Sep 01, 2015 4:38 pm
Large variation in some analyte responses by psychemist » Fri Aug 21, 2015 9:40 pm	11	5490	Last post by Peter Apps Sun Aug 30, 2015 7:10 am
HELP!! by poorstudent83 » Fri Aug 28, 2015 9:29 am	3	3364	Last post by Peter Apps Sat Aug 29, 2015 3:48 pm
EFC 1 control in Varian CP-3800 by raja » Sun Aug 23, 2015 1:16 pm	2	4974	Last post by raja Mon Aug 24, 2015 5:34 am
GC-FID with constant continuous peaks by Korffski » Thu Aug 13, 2015 7:06 pm	18	7965	Last post by Peter Apps Sat Aug 22, 2015 9:24 am
7683 tray arm dragging. by MSCHemist » Mon Aug 10, 2015 4:30 pm	3	2848	Last post by gcguy Fri Aug 21, 2015 1:00 pm
Small Signal Response? by tehzap » Thu Aug 20, 2015 9:00 am	4	2722	Last post by aidnai Thu Aug 20, 2015 11:48 pm
Problem In Varian GC-450 Galaxie software configuration. by fahim.khattak » Thu Aug 20, 2015 7:24 am	1	7713	Last post by mginige Wed Sep 09, 2020 4:51 am
GC-FID very strange chromatogram by annie baker » Tue Aug 18, 2015 6:03 pm	1	2826	Last post by Peter Apps Tue Aug 18, 2015 8:11 pm
Acetone-d6 on purge and trap volatiles methods 8260/624/524 by acurtis89 » Sun Aug 16, 2015 11:09 pm	4	3380	Last post by acurtis89 Tue Aug 18, 2015 3:41 am
Capsaicin by FID GC by macamo » Wed Apr 30, 2008 3:07 pm	2	3778	Last post by MSCHemist Mon Aug 17, 2015 3:43 pm
6890 Pneumatics by MAC48 » Thu Aug 13, 2015 5:27 pm	1	2510	Last post by MSCHemist Fri Aug 14, 2015 7:37 pm
High Nitrogen Low Water by JBaltzell » Tue Aug 11, 2015 6:43 pm	2	3357	Last post by JBaltzell Wed Aug 12, 2015 6:05 pm
Inlet identification, please? by osp001 » Wed Aug 12, 2015 6:28 am	3	2926	Last post by Peter Apps Wed Aug 12, 2015 12:39 pm
DB-35 ms degrading by versitian » Wed Aug 12, 2015 4:49 am	0	3005	Last post by versitian Wed Aug 12, 2015 4:49 am
Use of inorganic salts in GC solvents by Sajjad Hossain » Mon Jul 27, 2015 8:55 pm	2	5112	Last post by Sajjad Hossain Tue Aug 11, 2015 4:54 pm
Air testing via GC-MS by dmdukes » Mon Aug 10, 2015 8:09 pm	0	3224	Last post by dmdukes Mon Aug 10, 2015 8:09 pm
EzChrom Elite, chromatogram in report by Revan » Mon Aug 10, 2015 12:31 pm	2	3694	Last post by Revan Wed Aug 12, 2015 3:04 pm

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