Gas Chromatography

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Topics	Replies	Views	Last post
Wasson 5599 OFID application by GGConsulting7 » Sun Sep 16, 2018 7:18 pm	0	3400	Last post by GGConsulting7 Sun Sep 16, 2018 7:18 pm
Residual Benzene(2 ppm) HS-GC bad repeatability (bad RSD) by Lena1122 » Fri Aug 17, 2018 8:52 pm	6	4919	Last post by fsistere Fri Sep 14, 2018 12:15 pm
Drop in carrier gas flow-rate at high temperature GC-2014 by waqas119 » Sun Jul 01, 2018 7:50 am	2	4504	Last post by Peter Apps Fri Sep 14, 2018 6:13 am
EPA 515 method development by andrew ryder » Tue Sep 11, 2018 5:32 pm	4	6481	Last post by Bigbear Thu Sep 13, 2018 2:52 pm
Analyte protectants by Rndirk » Thu Jul 14, 2016 12:52 pm	2	5811	Last post by Rndirk Thu Sep 13, 2018 6:52 am
Combipal z-axis errors by DeniseHeinz » Sat May 19, 2018 4:19 pm	5	4601	Last post by DeniseHeinz Tue Sep 11, 2018 7:11 pm
measure ethylene by gas chromatography by tonnuthanhphuong » Tue Sep 11, 2018 8:38 am	1	3081	Last post by rb6banjo Tue Sep 11, 2018 12:35 pm
Frustrating air leak in new GC, help? by MAForensics » Wed Jun 01, 2016 4:38 pm	36	15301	Last post by Jake Mon Sep 10, 2018 8:47 pm
Aqueous DEA and MDEA + degradation products on GC by Parker123 » Sat Sep 01, 2018 2:22 pm	5	4322	Last post by deepzvr12 Fri Sep 07, 2018 10:49 am
Carrier Gas Choice for Permanent Gas Analysis by MLT » Fri Aug 31, 2018 1:33 am	3	3567	Last post by GasMan Tue Sep 04, 2018 12:08 pm
Baseline problem in agilent GC by cksoni » Sat Sep 01, 2018 10:04 am	1	3030	Last post by rb6banjo Sat Sep 01, 2018 12:15 pm
GC NPD- Blos bead by hts123 » Thu Aug 30, 2018 4:40 am	1	3452	Last post by pumpedupchemist Fri Aug 31, 2018 7:12 am
Getting the peak width from Xcalibur Quan by ChemicalOuch » Fri Aug 24, 2018 4:53 pm	1	3316	Last post by antonk Thu Aug 30, 2018 7:21 am
Carbon monoxide analysis in fish using HS-GC TCD by Indumini » Tue Aug 28, 2018 4:53 pm	0	3178	Last post by Indumini Tue Aug 28, 2018 4:53 pm
Converting GC 6890N to H2 Carrier by vickig » Mon Aug 20, 2018 11:54 pm	8	4099	Last post by Jake Tue Aug 28, 2018 12:22 am
Pausing sequence in OpenLab ChemStation Software by denisoleary » Wed Aug 22, 2018 1:16 am	1	3837	Last post by ATAlR Fri Aug 24, 2018 5:04 pm
Baseline Rise After GC Run by rw228 » Wed Aug 22, 2018 11:20 pm	1	3190	Last post by Rndirk Thu Aug 23, 2018 7:40 am
HP5890 SeriesII Parts and Installation by CTumilson » Wed Apr 25, 2018 10:35 am	38	13193	Last post by kswanson Wed Aug 22, 2018 2:28 pm
How do I quantify my FAs using a ITSD and a extraction STD by dmjohn1337 » Mon Aug 20, 2018 8:55 pm	1	3279	Last post by Steve Reimer Mon Aug 20, 2018 9:57 pm
Envent Gas Chromatography Model 132 by Muhannad » Sun Aug 19, 2018 9:09 am	0	3475	Last post by Muhannad Sun Aug 19, 2018 9:09 am
Air compressor for FID air. by MSCHemist » Tue Jul 14, 2015 8:17 pm	21	13629	Last post by MSCHemist Thu Aug 16, 2018 12:06 am
Too High Column Bleed by sohaib1 » Mon Aug 13, 2018 3:24 pm	9	6210	Last post by mattmullaney Wed Aug 15, 2018 5:29 pm
Mass Spec leak by Lumi » Thu Aug 09, 2018 10:52 am	9	5208	Last post by Lumi Wed Aug 15, 2018 2:51 pm
Weighted Linear Regression by tangaloomaflyer » Fri Jul 27, 2018 6:12 am	3	3898	Last post by tangaloomaflyer Mon Aug 13, 2018 3:46 am
problem with the split module by Kaliane » Fri Jul 27, 2018 6:13 pm	7	5080	Last post by sana70 Sun Aug 12, 2018 3:38 am
Traicetin Organic impurities USP method by ankalreddy » Sat Aug 11, 2018 8:01 am	0	3386	Last post by ankalreddy Sat Aug 11, 2018 8:01 am
Recommendation on carrier gas for GOW MAC 350/TCD? by lespaul » Tue Aug 07, 2018 7:21 pm	4	3894	Last post by lespaul Thu Aug 09, 2018 6:39 pm
7890 GC with 5320 ELCD (OI analytical) detector by GGConsulting7 » Thu Aug 09, 2018 2:29 am	0	3325	Last post by GGConsulting7 Thu Aug 09, 2018 2:29 am
How to Adjust an adjustable valve restrictor by syshanika » Wed Aug 08, 2018 6:49 am	1	3177	Last post by GasMan Wed Aug 08, 2018 1:00 pm
Milk fat purity using triglyceride analysis by Indumini » Tue Aug 07, 2018 3:20 pm	0	3118	Last post by Indumini Tue Aug 07, 2018 3:20 pm
Ethanol method in EP by Nordlin » Wed Apr 25, 2018 4:49 pm	6	5701	Last post by dap Mon Aug 06, 2018 7:34 pm
Calculating peak area to concentrations by pramit1288 » Tue Jul 31, 2018 9:17 am	1	3098	Last post by James_Ball Wed Aug 01, 2018 6:18 pm
Area Fluctuation, Ethanol and Methanol standard by Ahmed_Menevse » Tue Jul 31, 2018 4:55 pm	7	3541	Last post by Ahmed_Menevse Wed Aug 01, 2018 6:46 am
Shimadzu qp2010 please replay by ferish91 » Tue Jul 31, 2018 7:13 am	3	2795	Last post by dblux_ Tue Jul 31, 2018 6:28 pm
Standart preparation by ferish91 » Sat Jul 28, 2018 7:31 am	3	3175	Last post by karbonat Tue Jul 31, 2018 9:45 am
Retention times of different FAMEs in GC-FID by harunfr » Sun Jul 29, 2018 3:48 pm	4	3793	Last post by Consumer Products Guy Mon Jul 30, 2018 2:15 pm
glycol analysis with DB-5 by control » Fri Jul 27, 2018 12:55 pm	4	3419	Last post by rb6banjo Sat Jul 28, 2018 2:01 pm
Varied Areas by Kaliane » Wed May 30, 2018 5:42 pm	5	3496	Last post by Kaliane Fri Jul 27, 2018 5:15 pm
How to convert/translate split inlet ratio new method by RAGTIME » Tue Jul 24, 2018 1:13 pm	3	4447	Last post by RAGTIME Wed Jul 25, 2018 1:50 pm
Decreasing the theoretical plates by Murshad » Thu Jul 12, 2018 7:04 pm	9	6842	Last post by high desert chemist Mon Jul 23, 2018 10:23 pm
Instruction Manual GC VARIAN 3400 by wajih03us » Sun Jul 22, 2018 3:55 pm	0	3374	Last post by wajih03us Sun Jul 22, 2018 3:55 pm
Cannabis Residual Solvents math question by pacerlaser » Thu Jul 05, 2018 9:31 pm	1	3280	Last post by osp001 Fri Jul 20, 2018 5:29 pm
Peak tailing by cene » Fri Jun 16, 2017 1:39 am	31	15160	Last post by pacerlaser Thu Jul 19, 2018 6:15 pm
Varian 3800 FID Flame Out Error by lxBATESxl » Thu Jul 19, 2018 12:27 pm	2	3303	Last post by lxBATESxl Thu Jul 19, 2018 4:57 pm
Using DB-5 column at up to 380-400 degrees by lgchrom » Wed Jul 18, 2018 11:30 am	3	3554	Last post by MSCHemist Wed Jul 18, 2018 3:50 pm
Detectivity of GC detectors by pumpedupchemist » Wed Jul 18, 2018 12:59 pm	0	3307	Last post by pumpedupchemist Wed Jul 18, 2018 12:59 pm
Why use Screw vials over Crimp vials? by mlhuls01 » Tue Mar 13, 2018 2:05 pm	9	6500	Last post by MSCHemist Tue Jul 17, 2018 1:08 pm
Settings to detect octane in DCM by persad » Mon Jul 09, 2018 7:53 pm	4	3858	Last post by Peter Apps Mon Jul 16, 2018 11:31 pm
IO library for G1701DA Rev D.03.01 by faris » Wed Jun 06, 2018 3:31 pm	3	3360	Last post by pacerlaser Fri Jul 13, 2018 4:33 pm
Question about ghost peaks by crong » Fri Jul 06, 2018 9:11 pm	4	4239	Last post by Bigbear Fri Jul 13, 2018 3:34 pm

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