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Derivatization of pesticides
by Jorgen » Tue Dec 07, 2010 11:40 am
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3
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1447
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Last post by HW Mueller
Fri Dec 10, 2010 6:55 pm
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Quadropole mass spectrometer in Vacuum- meas. of contamin.
by Mortek » Fri Dec 10, 2010 10:53 am
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1
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2161
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Last post by Alp
Sat Dec 18, 2010 8:02 am
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HP 5890 GC green light flashing won't stop flashing
by lemma » Thu Dec 09, 2010 3:57 pm
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1
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1785
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Last post by GasMan
Thu Dec 09, 2010 6:23 pm
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SPME and 2-hydroxy-ibuprofen
by Jorgen » Wed Dec 08, 2010 6:31 pm
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0
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1337
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Last post by Jorgen
Wed Dec 08, 2010 6:31 pm
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Contamination to MS from Mol Sieve PLOT 5A column?
by edfead » Wed Dec 08, 2010 1:50 am
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2
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1675
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Last post by larkl
Wed Dec 08, 2010 5:23 pm
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Unusually shaped peaks in chromatogram
by Gaschrom » Tue Dec 07, 2010 5:59 pm
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5
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1696
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Last post by mbicking
Wed Dec 08, 2010 4:57 pm
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Need solvent to remove VOA's from syringe needle
by John R. Carver » Tue Dec 07, 2010 3:46 pm
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1
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1388
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Last post by HW Mueller
Tue Dec 07, 2010 4:28 pm
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Problem with a diluent in a GC analysis
by chemistab » Sun Dec 05, 2010 4:47 pm
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2
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2304
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Last post by krickos
Mon Dec 06, 2010 6:27 pm
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polar/nonpolar solvent mixture-TCD vs FID linear response
by cbd » Fri Dec 03, 2010 9:01 pm
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1
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2345
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Last post by Don_Hilton
Sat Dec 04, 2010 3:01 am
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FID flame go out
by J_Imi » Wed Nov 24, 2010 4:28 pm
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10
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7626
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Last post by AICMM
Fri Dec 03, 2010 1:59 pm
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acetic acid test in corn starch
by rgamage » Tue Nov 30, 2010 2:26 am
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2
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2833
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Last post by Don_Hilton
Tue Nov 30, 2010 3:45 am
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FID versus FTIR, total hydrocarbons
by polartownjunkie » Mon Nov 22, 2010 2:11 pm
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9
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5735
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Last post by Don_Hilton
Tue Nov 30, 2010 3:36 am
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FID vs. TCD - part 2
by HPLC_Help » Tue Nov 23, 2010 9:01 pm
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8
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4556
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Last post by HPLC_Help
Mon Nov 29, 2010 1:37 pm
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Trifluoroacetamide
by Chandresh K. Soni » Sat Nov 27, 2010 4:29 am
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2
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1810
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Last post by HW Mueller
Sat Nov 27, 2010 4:42 pm
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aqueous sample analysis using GC-FID
by Santosh Gandhi » Thu Nov 25, 2010 4:07 pm
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2
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2080
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Last post by Don_Hilton
Thu Nov 25, 2010 7:09 pm
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RRF value in unknown sample concentrations
by R&D-Chemist » Tue Nov 23, 2010 9:37 pm
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7
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5373
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Last post by R&D-Chemist
Wed Nov 24, 2010 5:40 pm
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Nothing but noise!
by ali4683 » Tue Nov 23, 2010 3:07 pm
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7
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2462
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Last post by Don_Hilton
Wed Nov 24, 2010 3:39 pm
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Cyclohexanedicarboxylic acid
by pirish » Tue Nov 23, 2010 8:14 pm
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2
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1787
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Last post by pirish
Tue Nov 23, 2010 9:03 pm
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I need some help with some poor separations that I'm getting
by chromatics » Tue Nov 23, 2010 2:29 am
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5
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2229
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Last post by fsistere
Tue Nov 23, 2010 10:55 am
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DB-624 column can use in water analysis.
by praveenpaliwal » Fri Nov 19, 2010 6:25 pm
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5
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9922
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Last post by Consumer Products Guy
Tue Nov 23, 2010 1:33 am
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DDT and Endrin breakdown?
by dalarie » Mon Nov 15, 2010 11:32 pm
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3
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2417
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Last post by Bigbear
Mon Nov 22, 2010 3:19 pm
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GC-ECD Exhaust Plumbing
by queenann » Tue Nov 16, 2010 4:52 am
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6
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2542
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Last post by AICMM
Mon Nov 22, 2010 3:06 pm
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Hexachlorocyclopentadine and low response
by dalarie » Mon Nov 08, 2010 11:28 pm
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5
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2034
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Last post by AICMM
Mon Nov 22, 2010 3:02 pm
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Hilic column for vitamine B complex
by centraing » Mon Nov 22, 2010 8:45 am
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2
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2259
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Last post by tom jupille
Thu Dec 02, 2010 1:21 am
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Column holder fixing in Varian 3800 GS GC oven
by Blaza » Sat Nov 20, 2010 9:02 pm
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2
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1797
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Last post by Blaza
Mon Nov 22, 2010 7:29 am
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Thermal Desorption/conditioning of PDMS stirr bar in Inlet
by moseebatkhana » Wed Nov 17, 2010 4:12 pm
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2
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1997
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Last post by Peter Apps
Thu Nov 18, 2010 8:03 am
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FAME analysis using GC-FID
by newbie2010 » Wed Nov 17, 2010 3:39 pm
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3
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2189
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Last post by chromatographer1
Wed Nov 17, 2010 10:38 pm
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Varian 3400 GC - problems with peak heights - split flow?
by Seabiscuit » Tue Nov 16, 2010 10:44 am
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7
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3156
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Last post by Peter Apps
Wed Nov 17, 2010 9:08 am
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PDHID Baseline Problem
by larkl » Thu Nov 04, 2010 3:53 pm
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8
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5847
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Last post by bhuvfe
Wed Nov 17, 2010 8:45 am
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Electron 70eV
by faris » Fri Nov 12, 2010 9:29 pm
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3
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2242
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Last post by Don_Hilton
Wed Nov 17, 2010 3:36 am
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Agilent 6890 valve switching problem
by nick576 » Tue Nov 16, 2010 2:27 pm
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1
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2444
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Last post by larkl
Tue Nov 16, 2010 3:57 pm
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Large Volume Splitless Injection using unmodified injectors
by Tremenda » Mon Nov 15, 2010 4:19 pm
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4
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2028
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Last post by Peter Apps
Tue Nov 16, 2010 6:58 am
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Horrible Toluene peaks
by travisdh » Sat Nov 13, 2010 1:47 am
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8
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4081
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Last post by chromatographer1
Tue Nov 16, 2010 4:33 am
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Temperature Zone Fault (5890 Series II) question
by chemwipe » Mon Nov 15, 2010 3:49 pm
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1
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1825
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Last post by AICMM
Mon Nov 15, 2010 9:52 pm
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Negative Peak with PFPD where H2S should be
by NorthernGC » Mon Nov 08, 2010 8:13 pm
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2
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2024
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Last post by AICMM
Mon Nov 15, 2010 1:56 pm
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Coal Gasification Syngas Analysis
by isircar » Sun Nov 14, 2010 7:01 pm
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4
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2485
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Last post by AICMM
Mon Nov 15, 2010 1:51 pm
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Where to start troubleshooting
by Charles A. Burger » Thu Nov 11, 2010 6:03 pm
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10
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2736
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Last post by AICMM
Mon Nov 15, 2010 1:43 pm
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Fermentation Broth components by Headspace GC Development
by Karen01 » Sun Nov 14, 2010 4:06 pm
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4
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2537
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Last post by chromatographer1
Sun Nov 14, 2010 10:21 pm
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appropriate temperatures GC
by plateeny » Sun Nov 14, 2010 2:40 pm
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3
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1833
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Last post by chromatographer1
Sun Nov 14, 2010 8:28 pm
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forgot to turn on hyrogen cylinder on week end helllp
by zaidalisharif » Sun Nov 14, 2010 4:05 am
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3
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1829
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Last post by chromatographer1
Sun Nov 14, 2010 9:00 am
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Molsieve 5A
by peridem79 » Thu Nov 04, 2010 1:33 pm
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9
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2808
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Last post by chromatographer1
Thu Nov 11, 2010 5:59 pm
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ECD output - basic question
by lusi » Wed Nov 10, 2010 1:54 pm
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4
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1913
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Last post by lusi
Thu Nov 11, 2010 3:18 pm
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precision problems at QL for Clarus 600 GC/MS
by gmattz » Thu Nov 11, 2010 1:46 pm
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0
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1479
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Last post by gmattz
Thu Nov 11, 2010 1:46 pm
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Dimethylstearylamide as stationary phase in a packed column
by Sorin » Wed Nov 10, 2010 6:34 pm
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0
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1712
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Last post by Sorin
Wed Nov 10, 2010 6:34 pm
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drilling fluid
by pueblito » Wed Nov 03, 2010 11:10 pm
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5
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2135
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Last post by pueblito
Wed Nov 10, 2010 6:12 pm
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extraction - fipronil product
by lusi » Wed Nov 10, 2010 1:59 pm
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9
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6166
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Last post by lusi
Thu Apr 28, 2011 5:44 pm
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Methanol analysis in biodiesel
by AZBiodiesel » Tue Nov 09, 2010 1:00 am
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2
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2214
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Last post by AZBiodiesel
Wed Nov 10, 2010 3:46 am
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TCD Issues
by kbrodw01 » Tue Nov 02, 2010 12:18 am
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8
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3441
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Last post by kbrodw01
Tue Nov 09, 2010 9:01 pm
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TiCl4 by GC
by AlexSt » Mon Sep 13, 2010 7:50 am
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8
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4475
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Last post by AlexSt
Tue Nov 09, 2010 2:50 pm
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total petroleum hydrocarbons method linearity problem
by Widebore » Fri Oct 22, 2010 10:23 pm
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15
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5662
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Last post by Widebore
Tue Nov 09, 2010 10:58 am
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