6534 topics
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Starting material for a calibration curve
by cgursche » Mon Mar 11, 2019 9:11 am
Resolution between acetaldehyde and methanol
by wps » Fri Feb 08, 2019 11:01 am
Auto Injector not correctly installed
by Tfes » Tue Mar 12, 2019 7:59 am
FID occasionally extinguishing
by Jake » Mon Jan 28, 2019 8:18 pm
Response Factor Issues GC-FID
by Nicoled » Mon Mar 04, 2019 2:36 pm
Methane peak very weak and low
by ljubezr » Tue Jan 29, 2019 10:41 am
GC Clarus 500
by lexi_ahtrn » Mon Feb 25, 2019 8:17 pm
Injection of non-retained compounds GC
by gtogoh2807 » Tue Feb 26, 2019 6:06 pm
Shin Carbon and Mol Sieve 5A in series for permanent gases
by apaydind » Thu Feb 21, 2019 2:28 pm
Sample: grape FLAVOUR
by Kaliane » Wed Feb 20, 2019 7:50 pm
hydrogen elution using Shincarbon ST in TCD
by NiteshJoshi » Mon Feb 25, 2019 7:26 am
Fault in 7890a gc system Agilent Tech
by amirraza2020 » Sat Feb 23, 2019 7:33 am
Septa to Shimadzu GC17 OCI injection
by greg07 » Thu Feb 21, 2019 7:24 pm
6890A "Shutdown-4" message?
by bhomber » Wed Feb 20, 2019 12:30 am
Gas Sample Injection
by Samuel_Brister » Fri Feb 08, 2019 8:09 pm
120% recovery for LOQ (Matrix effect)
by Mike H. » Wed Feb 13, 2019 4:48 pm
Calibration curve for SCFA
by godiet.rafi » Mon Jan 28, 2019 10:10 am
Retention Time/Index Compression??
by sarakuhl » Fri Feb 08, 2019 3:12 pm
Chlorinated phenols affect GC column?
by Simon001 » Wed Feb 06, 2019 9:22 pm
Differences between Perkin Elmer Clarus 500 and 590
by andres escobar » Fri Feb 08, 2019 2:03 pm
Assay for aniline in compound.HCl
by Mike H. » Thu Feb 07, 2019 4:03 pm
Issues with area counts and calibration for Air, N2, O2
by jpetri » Sat Feb 02, 2019 2:37 pm
CS2 analysis by FPD
by Chemiger » Mon Feb 04, 2019 4:56 pm
Help please! Having troubles with fuel gas NPD
by andres escobar » Tue Feb 05, 2019 3:39 pm
PerkinElmer TOGA air leak ?
by TOGA Greg » Tue Feb 05, 2019 11:56 am
Chemstation shuts down after injection using autosampler
by dlntx9 » Tue Dec 23, 2014 2:10 am
Derivatization
by dlbenach » Fri Feb 01, 2019 10:26 pm
Diminishing signal on NPD
by osp001 » Sun Jan 06, 2019 7:29 pm
Gas Chromatography High Baseline
by jace123 » Fri Jan 11, 2019 1:06 am
MCT, PG, VG, and PEG on GC 6890 or Heracles E-Nose
by Nicoled » Wed Jan 30, 2019 6:35 pm
GC/LC caps
by Kostaki » Wed Jan 02, 2019 2:45 am
ascorbic acid
by Mohamad » Sun Jan 13, 2019 12:51 am
Internal Standard for BT (residual solvent test)
by mfossella » Fri Jan 25, 2019 7:33 pm
Multiple Error Codes
by BrieGalb » Thu Jan 17, 2019 3:42 pm
7820A vs 7890B
by Arne » Tue Jan 22, 2019 7:58 am
Tubing vendor recommendations & questions.
by lespaul » Mon Jan 21, 2019 3:56 am
VOC determination - charcoal problems
by nlzoh_gc » Thu Jan 24, 2019 9:20 am
Varian 3900 inlet pressure issues
by dkelly » Tue Jan 22, 2019 3:42 pm
Tekmar HT3 Carry over issues
by taylor_chemist » Mon Jan 14, 2019 7:55 pm
Did anyone have experience with Helium Saver Injector?
by kselnaag » Thu Jan 17, 2019 11:50 am
method validation by GC
by Dr. Raman Nanduri » Fri Jan 18, 2019 10:08 am
Recalibration every run
by sphillips » Tue Jan 15, 2019 6:33 pm
Help with Agilent 7890B Network Settings
by BismuthBlues » Tue Dec 18, 2018 1:57 pm
TPH concentration with GC-FID
by Yoonjoo » Fri Jan 04, 2019 4:26 am
Air question HP5890/FID - zero air vs pure O2?
by lespaul » Sun Jan 13, 2019 11:57 pm
DIY Gas Chromatography
by phpinterview1991 » Wed Nov 28, 2018 5:59 am
EP General Chapter 2.4.25 Ethylene Oxide and Dioxan
by bbonilla » Fri Jan 11, 2019 9:08 pm
6890 inlet cooling fan
by LALman » Tue Jun 26, 2018 4:21 am
inlet pressure
by kelint » Thu Jan 10, 2019 9:24 am
Degradation of DDT
by Malrev » Mon Jan 07, 2019 5:14 pm
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