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Anyone do Amino Acid analysis using deriv GC/MS methods
by MSCHemist » Thu Aug 30, 2012 9:55 pm
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1
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2024
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Last post by MSCHemist
Thu Sep 20, 2012 6:59 pm
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Apearence order of N2, O2, He, N2O, CH4 and CO2 on TCD
by Hiz » Tue Sep 18, 2012 3:13 am
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4
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3723
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Last post by AICMM
Thu Sep 20, 2012 2:13 pm
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Trifluorethanol Residual solvent
by GC_Man83 » Wed Sep 19, 2012 10:14 pm
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1
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1716
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Last post by chromatographer1
Thu Sep 20, 2012 3:40 am
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rtx-624 resolution turn bad，just using half a year。
by dogcatlike » Mon Sep 10, 2012 9:33 am
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13
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2409
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Last post by dogcatlike
Tue Sep 18, 2012 10:07 am
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Peak splitting problem?
by cfspence » Mon Sep 10, 2012 7:30 pm
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13
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6267
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Last post by chromatographer1
Tue Sep 18, 2012 3:00 am
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GC Performance drop and ISTD calibration procedure
by fangs » Wed Sep 12, 2012 7:58 pm
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4
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2771
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Last post by Don_Hilton
Mon Sep 17, 2012 7:05 pm
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Advices about Internal STD method performing
by jurty » Mon Sep 10, 2012 8:22 pm
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9
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2757
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Last post by Don_Hilton
Mon Sep 17, 2012 6:59 pm
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Remove Area Account from the Gas Chromatogram Window
by HossamAli » Mon Sep 17, 2012 11:59 am
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3
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2630
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Last post by HossamAli
Mon Sep 24, 2012 3:35 pm
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Practical question about Internal STD method performing
by jurty » Sat Sep 15, 2012 10:46 am
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1
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2062
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Last post by Consumer Products Guy
Sat Sep 15, 2012 1:28 pm
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5890 FID - Measuring Column Flow
by mlumanog » Wed Sep 12, 2012 1:11 am
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9
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4330
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Last post by Yama001
Thu Sep 13, 2012 4:11 pm
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GC-MS to GC area conversion
by afmb » Mon Sep 10, 2012 3:15 pm
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2
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2258
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Last post by afmb
Thu Sep 13, 2012 9:23 am
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Analytical method of Methanesulfonic anhydride
by guoyang » Thu Sep 13, 2012 7:20 am
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0
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2101
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Last post by guoyang
Thu Sep 13, 2012 7:20 am
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How to remove silicone "oil" from injection port
by tlahren » Wed Sep 12, 2012 3:55 pm
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2
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2569
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Last post by tlahren
Wed Sep 12, 2012 9:18 pm
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Every Second Injection
by GC_Man83 » Mon Sep 10, 2012 5:24 pm
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4
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2221
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Last post by Bigbear
Tue Sep 11, 2012 5:12 pm
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PCB analysis by ECD
by jss37992 » Thu Sep 06, 2012 5:30 pm
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1
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2220
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Last post by tlahren
Tue Sep 11, 2012 2:30 pm
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Method for Ethanol analysis by agilent GC 7890A and HP-5
by umu » Sat Sep 08, 2012 10:23 pm
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8
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8080
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Last post by chromatographer1
Tue Sep 11, 2012 1:25 pm
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Agilent 6890/5975B shorter than expected column lifetime
by bisnettrj2 » Wed Aug 29, 2012 1:03 pm
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13
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3419
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Last post by Bigbear
Tue Sep 11, 2012 12:42 pm
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does acetic acid damage the GC column ?
by pigxu » Mon Sep 10, 2012 11:51 am
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2
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2307
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Last post by pigxu
Tue Sep 11, 2012 7:59 am
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Analysis of solvents using GC-MS
by mlewando1980 » Tue Aug 21, 2012 1:24 pm
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8
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9160
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Last post by Rataan
Mon Sep 10, 2012 6:45 pm
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Chemstation Output Auto Integrator
by fangs » Mon Sep 10, 2012 2:18 pm
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2
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2247
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Last post by fangs
Mon Sep 10, 2012 4:01 pm
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GC -MS column installation problems
by snwalla » Mon Sep 10, 2012 3:23 pm
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0
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2068
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Last post by snwalla
Mon Sep 10, 2012 3:23 pm
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standard hydrocarbon liquid for gc calibration
by BEE » Thu Sep 06, 2012 9:34 am
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4
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2449
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Last post by BEE
Mon Sep 10, 2012 11:39 am
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make up gas
by push » Fri Aug 17, 2012 9:38 am
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18
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5971
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Last post by chromatographer1
Fri Sep 07, 2012 8:15 pm
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Formic Acid on an Agilent HP-5 Column?
by Incitor » Wed Aug 22, 2012 4:04 pm
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17
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5711
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Last post by DaveHeenan
Fri Sep 07, 2012 3:21 pm
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GC-FID peak height
by James Lowe » Wed Sep 05, 2012 10:43 am
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4
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3002
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Last post by James Lowe
Fri Sep 07, 2012 9:02 am
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Dilution factor
by Muhammad Akbar Khan » Mon Sep 03, 2012 8:13 am
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9
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3974
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Last post by Muhammad Akbar Khan
Thu Sep 06, 2012 5:13 am
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Computer not recognising ECD/FID imput.
by jhartill » Tue Sep 04, 2012 6:24 am
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1
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1872
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Last post by cleh
Thu Sep 06, 2012 1:34 am
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How to calculate temperature of sample injection on column
by ChEmfan » Thu Aug 02, 2012 5:25 pm
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14
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4361
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Last post by AICMM
Wed Sep 05, 2012 2:02 pm
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Which GC/MS do you recommend?
by Benji » Wed Sep 05, 2012 8:43 am
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1
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1800
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Last post by Don_Hilton
Wed Sep 05, 2012 11:10 am
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H2O in Hydrocarbon gases samples
by Gustavomg » Sat Sep 01, 2012 3:46 pm
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3
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2036
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Last post by chromatographer1
Tue Sep 04, 2012 3:16 pm
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Comparing Results to Outside Labs
by BiodieselGC » Fri Aug 31, 2012 3:58 pm
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7
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2107
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Last post by chadac
Tue Sep 04, 2012 4:54 am
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Thermo FID Flame Out
by lusi » Wed Aug 08, 2012 7:14 pm
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19
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5574
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Last post by lusi
Mon Sep 03, 2012 12:14 pm
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Ripple
by Giant_Bones » Thu Aug 30, 2012 2:36 pm
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2
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2010
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Last post by cleh
Fri Aug 31, 2012 2:33 pm
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Convert 5890 FID to NPD
by MSCHemist » Tue Aug 21, 2012 9:14 pm
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4
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2241
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Last post by lgchrom
Fri Aug 31, 2012 10:08 am
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Castor Oil Composition using GC
by Ardani_IDN » Thu Aug 30, 2012 1:35 pm
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4
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4980
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Last post by chromatographer1
Fri Aug 31, 2012 3:55 am
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Solvent dilution?
by roostorf » Wed Aug 29, 2012 9:28 pm
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6
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2551
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Last post by roostorf
Thu Aug 30, 2012 10:12 pm
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EDFAA separation with EAA
by praveenpaliwal » Sun Aug 26, 2012 5:34 pm
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1
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1725
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Last post by jdezeeuw
Sun Aug 26, 2012 7:21 pm
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Optimum carrier gas flowrate in packed column
by thohry » Fri Aug 24, 2012 4:08 pm
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2
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2955
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Last post by thohry
Sat Aug 25, 2012 2:15 am
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Missing compounds using air bags and sample loops
by yuttingzheng » Tue Aug 14, 2012 1:50 am
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16
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3376
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Last post by chromatographer1
Fri Aug 24, 2012 1:45 pm
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Help with Column Selection - Fluoro isomers of amphetamine
by swheasler » Sat Jul 28, 2012 2:43 am
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2
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1888
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Last post by bird
Fri Aug 24, 2012 1:42 am
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problem on preparing 90% methanol for gas chromatography???
by bobey » Thu Aug 23, 2012 2:22 am
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5
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7050
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Last post by Consumer Products Guy
Thu Aug 23, 2012 6:56 pm
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TotalChrom software problems
by davej » Thu Aug 23, 2012 9:24 am
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1
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5621
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Last post by mcallie2
Tue Nov 06, 2012 3:01 pm
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Looking for a manual for a Varian 1800 Gas Chromatograph
by DEGUY » Wed Aug 22, 2012 10:58 pm
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0
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2249
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Last post by DEGUY
Wed Aug 22, 2012 10:58 pm
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Trying to separate ethylene oxide from a bed of ethanol FID
by oleo » Wed Aug 22, 2012 5:48 pm
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0
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1921
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Last post by oleo
Wed Aug 22, 2012 5:48 pm
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GC for mono-ethanolamine
by GT » Tue Aug 21, 2012 10:19 am
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4
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4340
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Last post by AICMM
Tue Aug 21, 2012 7:47 pm
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peak widening 524.2
by eauchem » Mon Aug 20, 2012 9:16 pm
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2
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2090
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Last post by LindseyPyron
Tue Aug 21, 2012 7:57 pm
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Gas Chromatography for testing Medical Marijuana
by swamisncc » Fri Dec 09, 2011 7:17 am
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5
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3373
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Last post by Don_Hilton
Mon Aug 20, 2012 12:30 am
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Noisy 5890 FID when using LN2 cryogen
by MaiKai » Thu Aug 16, 2012 8:04 pm
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2
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1815
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Last post by Peter Apps
Fri Aug 17, 2012 3:29 pm
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peak height of chromatograph
by bobey » Fri Aug 10, 2012 7:07 am
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3
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2646
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Last post by GCMSNoob
Wed Aug 15, 2012 9:06 pm
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General GC Questions
by sonicboom12345 » Mon Aug 13, 2012 1:57 pm
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3
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2944
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Last post by chromatographer1
Tue Aug 14, 2012 7:39 pm
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