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GC-MS: Solvent peak in SIM. Why?
by Graf Chromato » Fri Apr 29, 2016 7:59 pm
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2
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4513
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Last post by Graf Chromato
Sat Apr 30, 2016 10:13 am
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LCMS grade solvents (acetonitrile)
by hfredricks » Thu Apr 21, 2016 6:51 pm
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13
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7663
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Last post by MMJ88
Fri Apr 29, 2016 10:53 pm
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Tuning result-water content
by ajoyr1986 » Fri Apr 01, 2016 9:38 am
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3
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3578
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Last post by JMB
Tue Apr 26, 2016 3:10 pm
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GC MS - contaminant 190.9 - 206 - 208
by KevinBe » Wed Apr 20, 2016 7:28 am
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1
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3247
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Last post by JMB
Tue Apr 26, 2016 2:50 pm
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Does nano/micro HPLC improve MS signal for small molecules?
by ChromKing » Wed Apr 06, 2016 2:41 pm
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4
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3942
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Last post by sav
Mon Apr 18, 2016 10:12 pm
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Icp organic run plasma problem
by JWF239 » Wed Mar 30, 2016 10:12 pm
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1
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3015
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Last post by JWF239
Tue Apr 12, 2016 12:50 pm
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API 3000 Experience
by alanluedtke » Wed Oct 31, 2012 3:38 pm
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8
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3852
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Last post by dr_bahram1977
Fri Apr 08, 2016 6:05 pm
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Sample prep: hydrazine derivatization for LC-MS/MS analysis
by syntel » Wed Nov 18, 2015 5:20 pm
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3
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6949
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Last post by sav
Fri Apr 08, 2016 3:13 pm
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API 3000 service manual?
by sassman » Mon Oct 06, 2008 5:46 pm
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6
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6248
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Last post by dr_bahram1977
Fri Apr 08, 2016 8:25 am
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Choice of compound for dead time measurement in LCMS/LC-RI.
by haagiboy » Thu Apr 07, 2016 11:15 am
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6
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5852
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Last post by haagiboy
Mon Apr 11, 2016 10:33 am
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GC-MS ITQ 700 - Tuning issue
by KevinBe » Tue Apr 05, 2016 11:10 am
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0
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6396
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Last post by KevinBe
Tue Apr 05, 2016 11:10 am
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LC-MS/MS ion ratio consistency
by joanne.giaccio » Tue Feb 03, 2015 1:16 am
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5
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14189
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Last post by biotechno
Sun Apr 03, 2016 10:12 am
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Gc Ms Voc BFB mass 50 fail too low and mass 174 to high
by Carlostek » Fri Mar 18, 2016 2:18 am
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9
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6946
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Last post by Carlostek
Sat Apr 02, 2016 5:54 pm
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SPME non-linear
by Monty_Python » Tue Mar 15, 2016 3:45 pm
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4
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3430
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Last post by Peter Apps
Tue Mar 22, 2016 1:00 pm
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5973 diffusion pump oil contamination
by cjm » Fri Mar 11, 2016 2:01 pm
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6
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5322
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Last post by James_Ball
Mon Mar 21, 2016 10:05 pm
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Sharp Area Fluctuation with LC-MS
by wenzhe » Mon Mar 21, 2016 12:22 pm
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2
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3100
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Last post by wenzhe
Mon Mar 21, 2016 12:31 pm
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5975C reproducibility problem
by Daniel_Lampiasi » Fri Aug 07, 2015 4:13 pm
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5
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4346
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Last post by mdevay
Fri Mar 18, 2016 5:39 pm
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post addition for TFA
by jiangds06 » Thu Mar 10, 2016 5:59 pm
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3
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3355
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Last post by sav
Wed Mar 16, 2016 5:33 pm
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nitrogen gas generator
by jiangds06 » Wed Mar 16, 2016 1:59 pm
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0
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6120
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Last post by jiangds06
Wed Mar 16, 2016 1:59 pm
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Looking for Hydrogen Gas
by lpcamarda » Sat Feb 27, 2016 1:29 pm
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3
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3697
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Last post by lpcamarda
Fri Mar 11, 2016 10:57 pm
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Wavelength Dispersive X-ray Fluorescence Spectrometers
by JWF239 » Fri Mar 11, 2016 9:04 pm
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0
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6132
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Last post by JWF239
Fri Mar 11, 2016 9:04 pm
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High repeller values after cleaning 5975 Agilent MS
by paddypower » Sat Dec 05, 2015 9:51 am
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3
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7832
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Last post by EnvironLab
Fri Mar 11, 2016 7:47 pm
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Developing a LC-MS method for carbohydrate derivatives
by haagiboy » Mon Feb 29, 2016 1:17 pm
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12
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5617
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Last post by MSCHemist
Mon Mar 07, 2016 4:01 pm
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peak tailing and disappearing peak in LC/MS/MS
by cn-knutsch » Tue Dec 30, 2008 8:39 pm
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8
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10635
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Last post by Ewelelek
Mon Mar 07, 2016 12:56 pm
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Triple Quad LCMS for Toxicology
by pssidhu » Fri Feb 26, 2016 8:21 pm
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2
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3886
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Last post by James_Ball
Thu Mar 03, 2016 5:25 pm
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Finnigan LCQ Classic peptide fragmentation
by zjadlempsa » Tue Mar 01, 2016 8:45 am
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0
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5318
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Last post by zjadlempsa
Tue Mar 01, 2016 8:45 am
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Unknown negative ions
by Chromgeek » Wed Feb 24, 2016 11:55 am
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1
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3063
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Last post by sav
Thu Feb 25, 2016 4:17 pm
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TO-15 Equipment
by 01310040231 » Wed Oct 08, 2014 5:57 pm
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2
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3544
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Last post by siperst
Tue Feb 23, 2016 7:33 pm
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When do you need a preconcentrator for a GCMS?
by lsasano » Thu Apr 23, 2015 9:10 pm
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2
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4085
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Last post by siperst
Tue Feb 23, 2016 7:30 pm
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Zero counts in positive ESI, good negative mode signal
by djacqo » Thu Feb 18, 2016 11:34 pm
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2
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4598
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Last post by djacqo
Tue Feb 23, 2016 3:11 pm
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Agilent GC-MS connection to PC
by alcorn » Mon Feb 22, 2016 4:26 pm
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1
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4583
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Last post by chemstation
Mon Feb 22, 2016 10:41 pm
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Waters QTof Premier with Nano spray Module with Waters Allia
by fareedtayyeb » Thu Feb 18, 2016 9:38 am
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1
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3432
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Last post by sav
Mon Feb 22, 2016 9:49 am
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desolvation gas and cone gas quattro lcms
by jiangds06 » Fri Jan 22, 2016 9:31 pm
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1
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3606
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Last post by Virolarufula
Tue Feb 16, 2016 11:08 am
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Q Exactive cleaning
by zacmcd2509 » Tue Jan 26, 2016 7:28 am
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2
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3818
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Last post by zacmcd2509
Mon Feb 08, 2016 10:28 am
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Help for Agilent LC MSD Issue
by bmekonnen » Wed Feb 03, 2016 9:17 pm
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0
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3609
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Last post by bmekonnen
Wed Feb 03, 2016 9:17 pm
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Workflows for the Analysis of Microcystins by LC/QTOF
by CF - David Hills » Wed Feb 03, 2016 11:01 am
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0
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4129
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Last post by CF - David Hills
Wed Feb 03, 2016 11:01 am
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Varian Saturn 2200- Voltage error of the multiplier supply
by PabloY » Mon Nov 16, 2015 1:59 pm
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2
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6060
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Last post by PabloY
Tue Feb 02, 2016 2:49 pm
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Loss of sensitivity when switching to H2 as carrier gas
by anamariboyes » Tue Dec 29, 2015 6:36 pm
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6
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4860
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Last post by mckrause
Mon Feb 01, 2016 3:19 pm
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Agilent 5977 MSD
by alcorn » Sat Jan 30, 2016 5:16 am
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0
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4177
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Last post by alcorn
Sat Jan 30, 2016 5:16 am
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Nebuliser gas flow remains OFF
by ninatonon » Wed Jan 27, 2016 5:15 pm
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2
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3761
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Last post by lmh
Fri Jan 29, 2016 11:35 am
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MAINTENANCE SCHEDULED FOR 2/1/2016. FORUM UPGRADE
by CF - David Hills » Thu Jan 28, 2016 1:04 pm
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0
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4009
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Last post by CF - David Hills
Thu Jan 28, 2016 1:04 pm
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Improved LC-MS/MS Pesticide Multiresidue Analysis
by CF - David Hills » Tue Jan 26, 2016 3:44 pm
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0
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4120
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Last post by CF - David Hills
Tue Jan 26, 2016 3:44 pm
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Survey scan Waters UPLC-MS/MS
by MM2015 » Tue Jan 26, 2016 8:15 am
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0
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4613
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Last post by MM2015
Tue Jan 26, 2016 8:15 am
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Defective Cartridge heater - Varian 1200 Single-Quadrupol
by oth » Tue Jul 15, 2014 3:37 pm
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10
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7118
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Last post by Jaben
Mon Jan 25, 2016 4:40 pm
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interpreting odd low resolution(?) smushed(?) ESI-MS peaks
by ekhcdb » Mon Jan 04, 2016 6:31 am
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2
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10762
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Last post by ekhcdb
Mon Jan 25, 2016 2:06 am
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5971 MSD Top plate - Burnt capacitor identification help
by flowster » Thu Nov 19, 2015 12:08 pm
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6
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5180
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Last post by uzman
Sun Jan 24, 2016 11:35 am
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second hand waters micromass lcms
by jiangds06 » Fri Jan 22, 2016 7:52 pm
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0
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3960
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Last post by jiangds06
Fri Jan 22, 2016 7:52 pm
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CP-8400 Autosampler on Varian GCMS
by Aviator » Thu Aug 22, 2013 8:53 am
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5
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6810
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Last post by tdgcuser
Fri Jan 22, 2016 2:54 am
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UV-vis Spectrophotometric Analysis of Water and Food
by CF - David Hills » Thu Jan 21, 2016 11:09 am
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0
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3763
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Last post by CF - David Hills
Thu Jan 21, 2016 11:09 am
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Lost intensity - pesticide
by Virolarufula » Thu Nov 26, 2015 5:56 pm
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2
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3562
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Last post by Virolarufula
Wed Jan 20, 2016 1:29 pm
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