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Total evaporation headspace GC- standards vs. samples
by osp001 » Wed Dec 30, 2015 9:09 pm
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5
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4997
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Last post by mckrause
Wed Feb 10, 2016 5:40 am
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Ion transfer capillary heater LCQ DECA
by gradyb » Tue Dec 29, 2015 9:37 pm
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0
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4656
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Last post by gradyb
Tue Dec 29, 2015 9:37 pm
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solvent peak removall from chromatogram
by sriharshabio » Tue Dec 22, 2015 10:38 am
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2
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4519
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Last post by Peter Apps
Tue Dec 22, 2015 9:12 pm
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Any help would be appreciated Agilent 5975C-7890A
by sellis » Thu Dec 10, 2015 9:46 pm
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11
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5267
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Last post by Peter Apps
Sat Dec 19, 2015 3:23 pm
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Thermo Finnegan TSQ quantem LC pump communicating problem
by faris » Fri Dec 18, 2015 9:27 pm
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0
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5301
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Last post by faris
Fri Dec 18, 2015 9:27 pm
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Is this a leak, contamination, or something else...
by wenleonard » Wed Dec 16, 2015 4:08 pm
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2
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3336
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Last post by wenleonard
Wed Dec 16, 2015 8:07 pm
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Agilent 5973N burning up control cards (Smartcard)
by freddiespedalo » Thu Dec 10, 2015 12:10 pm
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1
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3877
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Last post by James_Ball
Mon Dec 14, 2015 6:54 pm
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Interfacing two inlets to a single column/detector
by Trishia » Wed Dec 02, 2015 8:35 pm
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10
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6049
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Last post by James_Ball
Mon Dec 14, 2015 6:41 pm
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tuning the MS for low res VS high res
by PeterPopoff » Tue Dec 08, 2015 6:26 pm
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3
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3598
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Last post by lmh
Fri Dec 11, 2015 2:46 pm
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loss of communication between data system and MS
by itatsi » Thu Dec 10, 2015 7:18 am
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4
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3388
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Last post by itatsi
Thu Dec 10, 2015 11:24 am
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Inverted Signal on GC/qMS (Shimadzu)
by Ericachemistry » Wed Dec 09, 2015 11:54 am
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0
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5229
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Last post by Ericachemistry
Wed Dec 09, 2015 11:54 am
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Agilent 5975B high water and nitrogen content
by Medusa » Tue Dec 01, 2015 12:24 pm
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4
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5034
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Last post by Medusa
Thu Dec 03, 2015 4:20 pm
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Thermo Scientific trace - missing ion during tune
by KevinBe » Thu Dec 03, 2015 3:57 pm
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0
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5216
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Last post by KevinBe
Thu Dec 03, 2015 3:57 pm
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Can't obtain performance check for GC-MS?
by khalid.janabi » Tue Nov 24, 2015 8:44 pm
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6
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4880
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Last post by khalid.janabi
Tue Dec 01, 2015 2:13 pm
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Decrease in sensitivity in Agilent GCTQMS 7890B/7000C
by Meggie1983 » Thu Oct 22, 2015 9:47 pm
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5
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4996
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Last post by Meggie1983
Tue Dec 01, 2015 4:21 am
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The Great Internal Standard Debate
by Toxtech » Tue Nov 24, 2015 8:02 pm
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4
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3599
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Last post by MSCHemist
Sun Nov 29, 2015 12:22 am
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Sciex 4500 Vs Shimadzu LCMS8050
by LinusNZ » Thu Nov 26, 2015 8:04 am
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3
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4254
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Last post by dr_bahram1977
Sat Nov 28, 2015 2:48 pm
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Normal background levels on Waters Xevo TQ-S?
by syntel » Wed Nov 25, 2015 4:08 pm
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4
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4333
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Last post by Gaetan Glauser
Fri Nov 27, 2015 9:44 pm
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Thermo trace ... No heating of,the ion source
by KevinBe » Fri Nov 27, 2015 5:07 pm
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1
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2888
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Last post by KevinBe
Fri Nov 27, 2015 5:18 pm
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2,4-D butyl ester LC/MS/MS
by chloesabrina » Wed Nov 18, 2015 5:18 pm
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6
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4020
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Last post by MMJ88
Wed Nov 25, 2015 8:43 pm
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Acquired a 3800 with a Saturn 2000 but need some assistance
by randd » Wed Nov 25, 2015 4:52 pm
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0
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5409
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Last post by randd
Wed Nov 25, 2015 4:52 pm
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"Vial number out of range" error on 5975
by mfiligenzi » Wed Jun 23, 2010 5:05 pm
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8
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10779
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Last post by MSCHemist
Tue Nov 24, 2015 2:46 pm
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I need some help figuring out an identity from EI spectrum
by KM-USA » Fri Nov 06, 2015 7:58 pm
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16
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8291
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Last post by KM-USA
Mon Nov 23, 2015 8:49 pm
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proficiency problems with drinking water volatiles
by chloesabrina » Wed Nov 18, 2015 2:59 pm
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5
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3737
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Last post by James_Ball
Thu Nov 19, 2015 9:39 pm
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LC-MS for pesticides in drinking and surface water
by JuliaKarolina81 » Thu Nov 19, 2015 11:19 am
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2
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3328
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Last post by James_Ball
Thu Nov 19, 2015 9:32 pm
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ThermoFIsher - GC MS ITQ 700 - No signals
by KevinBe » Wed Nov 18, 2015 6:59 am
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0
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5072
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Last post by KevinBe
Wed Nov 18, 2015 6:59 am
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MassLynx 4.1 - MRM functions - tune page
by Virolarufula » Fri Nov 06, 2015 1:39 pm
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6
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4950
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Last post by Virolarufula
Tue Nov 17, 2015 1:29 pm
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Installing retention gap for PAH analysis
by kartoffel » Sun Nov 15, 2015 8:56 am
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3
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4101
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Last post by BMU_VMW
Tue Nov 17, 2015 10:06 am
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Error Message "cannot achieve constant peak widths"
by astroguille » Tue Apr 01, 2008 6:22 pm
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14
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13278
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Last post by manman
Sat Nov 14, 2015 2:18 pm
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Co-elution problem for GC-MS
by sriharshabio » Thu Nov 12, 2015 9:35 am
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4
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4721
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Last post by James_Ball
Fri Nov 13, 2015 4:33 pm
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GC - MS Not connected
by basics12 » Thu Nov 12, 2015 2:35 pm
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0
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5711
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Last post by basics12
Thu Nov 12, 2015 2:35 pm
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Is it possible to disregard the use of an internal standard
by carlmed00 » Sun Nov 08, 2015 8:44 am
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7
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4281
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Last post by James_Ball
Wed Nov 11, 2015 8:37 pm
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Vanillin and Ethyl Vanillin Have Disappeared
by Gizmo » Fri Oct 30, 2015 4:48 pm
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7
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3982
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Last post by Gizmo
Tue Nov 10, 2015 4:51 pm
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Optimising the ESI-MS for Poly sulfated sugars
by Faith » Thu Oct 29, 2015 6:05 am
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15
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6167
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Last post by Faith
Mon Nov 09, 2015 11:47 pm
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Thermo Fisher DSQ II gc/ms Source overheats
by s.eaton@ucl.ac.uk » Fri Nov 06, 2015 6:59 pm
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1
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2844
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Last post by leadazide
Mon Nov 09, 2015 6:23 pm
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What is the stretch of consideration to the LOD and LOQ?
by carlmed00 » Mon Nov 09, 2015 8:13 am
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2
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3499
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Last post by lmh
Mon Nov 09, 2015 3:15 pm
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High baseline problems
by dawsonjz » Mon Nov 02, 2015 9:04 pm
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4
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4052
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Last post by James_Ball
Tue Nov 03, 2015 4:57 pm
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Volatiles by 8260/624 Inconsistent Response Factors
by Jaclyn » Tue Sep 08, 2015 12:31 pm
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5
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12847
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Last post by Bigbear
Mon Nov 02, 2015 7:21 pm
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Sodium clusters driving me crazy!!
by hfredricks » Fri Oct 30, 2015 2:38 pm
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2
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3647
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Last post by hfredricks
Mon Nov 02, 2015 3:44 pm
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Sample solvents for LCMS
by JI2002 » Wed Oct 28, 2015 2:02 pm
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4
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3993
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Last post by lmh
Fri Oct 30, 2015 9:52 pm
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Lipids detection by a Waters Single Quadrupole detector
by badescuvo » Mon Oct 19, 2015 6:24 pm
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4
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3545
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Last post by hfredricks
Wed Oct 28, 2015 2:27 pm
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Odd Q1 scan of a compound
by cdean » Thu Oct 22, 2015 7:12 pm
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4
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3296
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Last post by JMB
Tue Oct 27, 2015 5:02 pm
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Unclear problem with GCD HP1800
by intereco » Mon Oct 26, 2015 6:08 am
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1
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3294
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Last post by James_Ball
Mon Oct 26, 2015 3:46 pm
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LC/MS/MS (ESI)-When is it appropriate to quantify Na adduct?
by MMJ88 » Wed May 07, 2014 11:39 pm
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16
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11858
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Last post by cdean
Thu Oct 22, 2015 7:04 pm
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GC-MS Baseline Issues
by EntoJoe » Thu Oct 01, 2015 8:58 pm
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10
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8204
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Last post by James_Ball
Thu Oct 22, 2015 5:48 pm
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Sample Vial Septum Contamination
by EntoJoe » Wed Oct 21, 2015 7:19 pm
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2
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4243
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Last post by James_Ball
Thu Oct 22, 2015 5:37 pm
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Agilent 5975C bad baseline noise
by ajpope85 » Fri Jun 05, 2015 3:29 pm
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9
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6435
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Last post by James_Ball
Thu Oct 22, 2015 5:27 pm
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Metabolomics in human urine
by dRima » Tue Oct 20, 2015 8:31 am
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7
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3378
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Last post by Peter Apps
Thu Oct 22, 2015 8:59 am
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Wine Volatiles and HS-SPME-GC-O-MS
by bendrich » Thu Sep 17, 2015 9:23 pm
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11
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6104
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Last post by GOM
Thu Oct 22, 2015 3:04 am
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GC MS SHIMADZU PQ2010 PLUS autotuning failed
by viragout » Fri Oct 02, 2015 1:20 pm
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3
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4619
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Last post by viragout
Tue Oct 20, 2015 1:40 pm
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