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Which mechanical pumps would be the quieter (less noisy)?
by Rick » Tue Aug 21, 2012 3:26 pm
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8
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2655
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Last post by Hollow
Tue Sep 04, 2012 10:43 am
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New Emult producing S shape Curve
by oh-wyo » Thu Aug 23, 2012 11:05 pm
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1
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1762
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Last post by Yama001
Fri Aug 31, 2012 2:54 pm
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Front inlet purging?
by kingbilly » Tue Aug 28, 2012 5:23 pm
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3
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5760
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Last post by Bigbear
Fri Aug 31, 2012 1:34 pm
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Waters Xevo TQD and AB Sciex 4500 tripeQ MS
by yangz00g » Fri Aug 17, 2012 12:33 pm
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1
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2901
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Last post by cell
Fri Aug 31, 2012 1:14 pm
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Quottro micro LCMSMS doubt
by Davidantony » Mon Aug 20, 2012 5:52 am
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4
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2364
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Last post by lmh
Fri Aug 31, 2012 10:10 am
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99% loss of sensitivity in GC/MS!!!
by MSCHemist » Thu Aug 02, 2012 4:54 pm
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22
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6562
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Last post by gcmswhisperer
Fri Aug 31, 2012 12:27 am
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O-ring catalog number// Waters Quattro Micro
by Cotton Hawes » Fri Aug 24, 2012 10:44 am
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3
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2464
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Last post by Cotton Hawes
Thu Aug 30, 2012 5:53 pm
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pressure spikes
by gkirker » Tue Aug 28, 2012 8:29 pm
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0
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2048
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Last post by gkirker
Tue Aug 28, 2012 8:29 pm
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Tricky internal standard choice for peptide MRM quantitation
by rhuangwy » Thu Aug 23, 2012 3:45 pm
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1
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2098
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Last post by Alp
Sun Aug 26, 2012 6:06 am
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GC/MS short vacuum drop after injection
by adsfo » Sat Aug 11, 2012 11:52 pm
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4
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2280
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Last post by thohry
Sat Aug 25, 2012 2:28 am
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GC-FID-MS Front and back injector problem
by seamoro » Thu Aug 23, 2012 3:50 am
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7
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3109
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Last post by PeterB
Sat Aug 25, 2012 2:15 am
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Agilent 7000A QQQ Source Upgrade
by walkerd2 » Sat Aug 11, 2012 2:13 pm
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1
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1878
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Last post by che313
Sat Aug 25, 2012 2:07 am
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MS signal increasing over time for same standard
by cliff » Wed Jul 11, 2012 12:08 pm
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7
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3491
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Last post by DJtech
Fri Aug 24, 2012 1:13 pm
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Low optimal capillary voltage, ESI
by karin8) » Fri Aug 24, 2012 8:45 am
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0
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2519
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Last post by karin8)
Fri Aug 24, 2012 8:45 am
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PFPA and BSTFA
by adsfo » Fri Jun 29, 2012 8:02 pm
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1
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2139
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Last post by bird
Fri Aug 24, 2012 1:37 am
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graphite tubes
by katyperrie » Wed Aug 22, 2012 12:42 pm
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1
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1921
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Last post by stanley
Thu Aug 23, 2012 12:43 pm
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Dropping IS & Surr responses
by EnviroChrom » Tue Aug 14, 2012 11:19 pm
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6
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2796
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Last post by PeterB
Thu Aug 23, 2012 3:36 am
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When the org chemist is on vacation: MSD disaster
by MichaelVW » Wed Aug 22, 2012 2:33 pm
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6
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2788
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Last post by MichaelVW
Wed Aug 22, 2012 5:27 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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2053
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Last post by LindseyPyron
Tue Aug 21, 2012 7:57 pm
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Name says it!
by GCMSNoob » Thu Jul 19, 2012 6:29 pm
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26
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4001
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Last post by GCMSNoob
Tue Aug 21, 2012 4:15 pm
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Repeatability issue GC-TOFMS
by chromy2709 » Wed Aug 15, 2012 8:47 am
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1
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1903
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Last post by Don_Hilton
Wed Aug 15, 2012 11:24 am
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Can ICPMS vacuum pump used on LC-MS pump?
by zyfy » Sat Aug 11, 2012 3:17 am
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3
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2237
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Last post by zyfy
Tue Aug 14, 2012 12:59 am
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a lot of siloxanes, contamination, column, beed, etc.?
by adsfo » Mon Aug 13, 2012 6:50 pm
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1
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2785
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Last post by Don_Hilton
Tue Aug 14, 2012 12:41 am
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Tips on cleaning a lot of diff pump oil out of an HP5971A MS
by sirpatty79 » Wed Aug 08, 2012 3:24 am
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3
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2464
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Last post by cleh
Mon Aug 13, 2012 4:04 pm
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Delta psi doubt
by Davidantony » Mon Aug 13, 2012 4:34 am
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1
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6244
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Last post by lmh
Mon Aug 13, 2012 1:17 pm
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Agilent ion source cleaning (ceramics)
by adsfo » Tue May 22, 2012 4:52 pm
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6
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3981
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Last post by MSCHemist
Mon Aug 13, 2012 1:38 am
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5973 Diff to Turbo Conversion
by cat4lyst » Wed Aug 08, 2012 12:00 am
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2
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1994
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Last post by cat4lyst
Thu Aug 09, 2012 10:51 pm
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Gas flow
by jenm » Wed Aug 08, 2012 1:08 pm
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6
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2456
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Last post by Peter Apps
Thu Aug 09, 2012 5:08 pm
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Performic and formic acids
by GCMSNoob » Thu Aug 09, 2012 4:05 pm
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0
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1714
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Last post by GCMSNoob
Thu Aug 09, 2012 4:05 pm
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Xcalibur driving Agilent LC 1200's query
by goffreddo » Fri Aug 03, 2012 3:10 am
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1
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1997
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Last post by leadazide
Wed Aug 08, 2012 9:27 am
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HP 5971A MS: low ionization gauge pressure and odd noise
by sirpatty79 » Mon May 07, 2012 10:35 pm
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5
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2670
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Last post by sirpatty79
Wed Aug 08, 2012 3:03 am
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LC-MS/MS- TFA ion supression
by harold76 » Mon Aug 06, 2012 6:08 pm
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1
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1853
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Last post by Gaetan Glauser
Tue Aug 07, 2012 9:42 am
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Bruker Scion GCMSMS
by chhubert » Wed Jan 11, 2012 3:13 pm
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3
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2702
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Last post by Chenyu1
Mon Aug 06, 2012 9:33 pm
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esi probe position
by zelda855 » Fri Aug 03, 2012 8:08 pm
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1
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1742
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Last post by Klaus I.
Mon Aug 06, 2012 3:29 pm
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SCAN more sensitive than the SIM
by Absolutdude » Wed Aug 01, 2012 8:42 am
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7
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4767
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Last post by tlahren
Mon Aug 06, 2012 12:48 pm
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NIST Spectral Library
by eric3 » Wed Jul 25, 2012 6:38 pm
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5
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3322
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Last post by ods-at-pacific
Sun Aug 05, 2012 1:01 pm
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Agilent MSD Sensitivity
by Ramsden » Wed May 18, 2011 3:10 pm
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6
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4003
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Last post by JFo
Fri Aug 03, 2012 5:36 am
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Tune action stopped: cannot achieve constant peak widths
by hkandala » Mon Nov 07, 2011 11:35 pm
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12
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13305
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Last post by JFo
Fri Aug 03, 2012 5:31 am
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Entrance lens and ion focus not ramping
by JFo » Tue Jun 05, 2012 2:30 am
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5
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3504
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Last post by JFo
Fri Aug 03, 2012 5:24 am
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Is there radioactive part in LCMS (triple quadrupole)?
by flora0975 » Thu Aug 02, 2012 5:46 pm
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1
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1907
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Last post by Don_Hilton
Thu Aug 02, 2012 11:11 pm
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lc/ms analysis of antibiotics
by XarixTheAlchemist » Tue Jul 31, 2012 5:32 pm
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3
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2010
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Last post by dr_Pyrex
Thu Aug 02, 2012 3:53 pm
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varian saturn ms/ms set up
by krismi » Wed Aug 01, 2012 7:25 pm
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3
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2604
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Last post by krismi
Thu Aug 02, 2012 12:49 pm
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standard linearity problem of compound with 3-aminopyrazole
by sahn » Thu Aug 02, 2012 6:06 am
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0
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1869
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Last post by sahn
Thu Aug 02, 2012 6:06 am
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GC LC MS question
by XarixTheAlchemist » Fri Jul 27, 2012 3:39 pm
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4
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2179
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Last post by bisnettrj2
Thu Aug 02, 2012 1:47 am
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Best Mass Spec for large MW cmpds???
by MarkAK » Tue Jul 31, 2012 5:06 pm
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2
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1662
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Last post by MarkAK
Tue Jul 31, 2012 9:42 pm
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Hydrocarbon interference with Organotins
by jonathonhuntley » Wed Jul 18, 2012 6:08 pm
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2
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1671
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Last post by jonathonhuntley
Tue Jul 31, 2012 8:24 am
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HP 5890 or HP 6890
by sanshonomi » Wed Jul 18, 2012 2:26 pm
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4
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2211
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Last post by thohry
Mon Jul 30, 2012 1:43 am
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Mysterious ghost peaks with Varian GCMS
by tans » Mon Jul 09, 2012 4:35 am
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7
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4387
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Last post by tans
Sun Jul 29, 2012 10:43 am
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Please help me Identify this Compound!! :)
by smith1209 » Thu Apr 05, 2012 3:16 pm
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4
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2695
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Last post by swheasler
Sat Jul 28, 2012 2:05 am
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Flooded Quads, Noisy Baseline
by shemesh199 » Fri Jul 27, 2012 5:18 pm
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1
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1824
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Last post by Camisotro
Fri Jul 27, 2012 8:51 pm
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