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What can cause decrease of column pressure over time?
by biotechno » Thu Nov 22, 2018 8:55 am
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1
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6366
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Last post by Multidimensional
Fri Nov 23, 2018 4:03 pm
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Huge Noise
by BrianUtri » Mon Nov 19, 2018 9:47 pm
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2
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3345
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Last post by BrianUtri
Wed Nov 21, 2018 10:59 pm
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PerinElmer HPLC series 200 DAD detector explain .
by foodanalysis » Fri Nov 16, 2018 4:07 pm
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2
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3603
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Last post by pantos
Wed Nov 21, 2018 11:39 am
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Acquity UPLC sample manager problem
by samu003 » Wed Apr 05, 2017 12:44 am
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10
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12292
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Last post by nath_ziegler
Tue Nov 20, 2018 9:04 am
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Ghost Peaks/ Artifact Peaks Removed by MP Filtration
by tbroome88 » Mon Nov 05, 2018 7:35 pm
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5
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4097
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Last post by tbroome88
Mon Nov 19, 2018 3:21 pm
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Different brand of acetonitrile give a different separation
by Mattias » Fri Nov 09, 2018 8:04 am
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5
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3744
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Last post by Consumer Products Guy
Mon Nov 19, 2018 2:37 pm
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Leaking Viper fitting
by brinker » Fri Oct 26, 2018 7:05 pm
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5
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5328
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Last post by BostonFSE
Sun Nov 18, 2018 10:23 pm
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Agilent 1100 - Bubbles from MCGV to Active Inlet Value w/Hex
by ivorybook » Fri Nov 16, 2018 7:28 pm
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2
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3855
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Last post by Multidimensional
Sat Nov 17, 2018 11:50 pm
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Issues with Perkin Elmer 200 Series Pump and Chromeleon
by scochrane » Thu Nov 15, 2018 1:41 pm
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3
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3782
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Last post by foodanalysis
Sat Nov 17, 2018 10:32 am
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Best buffers to use at alkaline pH (> 8.0)
by saipraveen7 » Sat Aug 29, 2015 2:39 pm
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4
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4759
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Last post by danielcmaia
Fri Nov 16, 2018 3:51 am
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HPF6 as ion pairing agent
by Geof235 » Mon Sep 03, 2018 7:13 pm
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2
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4587
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Last post by multidlc
Thu Nov 15, 2018 10:29 pm
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Hitachi L-7000 D-Line?
by DJarois » Tue Nov 13, 2018 1:38 pm
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1
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3894
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Last post by gaumit
Thu Nov 15, 2018 5:55 pm
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Missing ELSD Signal in Chemstation
by Vlad Orlovsky » Tue Nov 06, 2018 12:33 am
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5
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3811
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Last post by Jake
Wed Nov 14, 2018 11:14 pm
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help about potency andsignificant digits
by jcwagner » Fri Nov 09, 2018 2:47 pm
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7
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4590
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Last post by lmh
Wed Nov 14, 2018 4:24 pm
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best method of degassing mobile phase?
by chemgc779 » Sun Apr 01, 2018 12:52 am
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13
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14288
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Last post by Consumer Products Guy
Sat Nov 10, 2018 8:33 pm
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Resolution Solution for Vitamin D3
by kristind858 » Thu Nov 08, 2018 4:46 pm
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1
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3145
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Last post by Consumer Products Guy
Thu Nov 08, 2018 5:41 pm
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Isoabsorbance Plot for Chemstation B.04.02?
by tylerkai » Fri Nov 02, 2018 4:58 pm
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5
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3709
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Last post by ATAlR
Thu Nov 08, 2018 2:33 pm
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Electronic issue with Dionex GP40
by hgurleyuk » Wed Nov 07, 2018 8:04 pm
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0
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3234
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Last post by hgurleyuk
Wed Nov 07, 2018 8:04 pm
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Forced Degredation Accepance Criteria
by pharm2004 » Tue Oct 23, 2018 6:11 pm
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9
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5285
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Last post by pharm2004
Wed Nov 07, 2018 6:26 pm
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Method development (wavelength choice/RRF of impurities)
by Mike H. » Tue Nov 06, 2018 1:24 pm
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3
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3289
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Last post by lmh
Wed Nov 07, 2018 2:46 pm
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Free alternative to Shimadzu LabSolutions
by DanielG007 » Sun Nov 04, 2018 11:48 am
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1
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5802
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Last post by lmh
Mon Nov 05, 2018 4:58 pm
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Atenolol Tablet Related substances test
by mahesh.acharya » Sat Nov 03, 2018 10:09 am
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0
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3457
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Last post by mahesh.acharya
Sat Nov 03, 2018 10:09 am
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Waters PDA settings - Interpolate & UV Blocking Filter
by Rob Burgess » Wed Oct 24, 2018 3:13 pm
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1
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3183
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Last post by MaxSpecs
Fri Nov 02, 2018 3:50 pm
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Acquity Iclass continues to over pressure
by maxineval » Tue Oct 30, 2018 8:51 pm
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2
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3326
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Last post by maxineval
Thu Nov 01, 2018 5:44 pm
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Varian Pump 9012/9002 or 9010 fault 68
by kyec » Tue Oct 16, 2018 6:17 pm
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2
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3363
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Last post by uzman
Tue Oct 30, 2018 2:18 pm
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Agilent 1100 with old Chemstation software
by SusanaCW » Wed Aug 22, 2018 7:16 pm
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4
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4567
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Last post by gaumit
Tue Oct 30, 2018 12:23 pm
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Agilent Chemstation Rev. B.04.02 not initializing
by tylerkai » Tue Aug 28, 2018 4:23 pm
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1
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4386
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Last post by gaumit
Tue Oct 30, 2018 12:14 pm
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hplc method for hydroxy propyl methyl cellulose
by akshay9960948682 » Tue Oct 30, 2018 10:47 am
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0
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3814
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Last post by akshay9960948682
Tue Oct 30, 2018 10:47 am
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Periodic ripple in UV - related to pressure?
by bunnahabhain » Thu Sep 13, 2018 7:14 am
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29
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9261
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Last post by Multidimensional
Mon Oct 29, 2018 2:38 pm
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Sorbic Acid in Wines
by Kaliane » Fri Oct 26, 2018 5:40 pm
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0
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3624
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Last post by Kaliane
Fri Oct 26, 2018 5:40 pm
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Chromeleon 6.8 & multiple peak assigning
by chromboy3000 » Tue Oct 23, 2018 9:39 am
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0
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3808
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Last post by chromboy3000
Tue Oct 23, 2018 9:39 am
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Agilent APG/ERI remote - poor triggering precision
by MaxSpecs » Tue Oct 09, 2018 9:17 am
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1
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3487
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Last post by leadazide
Mon Oct 22, 2018 4:49 pm
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How many injections on a uplc column?
by Hyphauser » Fri Oct 19, 2018 3:37 pm
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0
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3715
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Last post by Hyphauser
Fri Oct 19, 2018 3:37 pm
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problem in autosampler shimadzu prominence SIL-20AC
by Lucifer » Sun Nov 24, 2013 4:13 pm
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4
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15861
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Last post by WEH
Thu Oct 18, 2018 7:18 pm
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Unknown PEAK in HPLC EC
by igorazar » Thu Oct 11, 2018 5:00 pm
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1
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3745
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Last post by Rndirk
Fri Oct 12, 2018 7:02 am
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Lymecycline
by dlanosa » Thu Oct 11, 2018 2:06 pm
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0
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3610
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Last post by dlanosa
Thu Oct 11, 2018 2:06 pm
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HPLC UV reading/bubbles - not a column problem
by paulino » Sun Sep 30, 2018 7:59 pm
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5
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4254
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Last post by uzman
Sun Oct 07, 2018 5:32 pm
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TSP AS3000 CPU INJ INV error #119
by fzawadiak » Tue Oct 02, 2018 5:59 am
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4
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3482
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Last post by fzawadiak
Sat Oct 06, 2018 11:08 am
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Calibration curve points range problem
by kouroshh1 » Fri Oct 05, 2018 5:05 pm
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3
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4798
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Last post by Rndirk
Sat Oct 06, 2018 6:25 am
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Low Pressure, Low Flow rate, RT shift to the right
by alexcowart » Thu Oct 04, 2018 7:09 pm
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2
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3613
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Last post by alexcowart
Fri Oct 05, 2018 12:24 pm
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Pholcodine Imp G
by Justyna B » Thu Sep 27, 2018 2:25 pm
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2
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3411
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Last post by Justyna B
Fri Oct 05, 2018 11:17 am
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Peak disappearing with ammonium formate buffer
by prk018 » Wed Oct 03, 2018 6:25 pm
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6
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4273
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Last post by Rndirk
Fri Oct 05, 2018 6:46 am
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Hexane was injected to RP HPLC!
by ym3142 » Mon May 21, 2018 6:22 pm
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3
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6832
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Last post by JI2002
Thu Oct 04, 2018 12:51 am
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Theoretical plates on merck HPLC Column
by ferandres » Mon Oct 01, 2018 3:06 pm
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4
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4026
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Last post by JI2002
Wed Oct 03, 2018 11:57 pm
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Agilent 1290 pump problem
by qfiviera » Wed Oct 03, 2018 2:28 pm
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2
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4436
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Last post by Multidimensional
Wed Oct 03, 2018 11:52 pm
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Error Shimadzu Sil-20AC autosampler ERR SLIP X
by alejandro_sauza » Wed Oct 03, 2018 12:44 am
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0
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5927
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Last post by alejandro_sauza
Wed Oct 03, 2018 12:44 am
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Gradient run time after last chrom. peak
by DennisZel » Wed Sep 26, 2018 6:27 am
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3
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3851
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Last post by DennisZel
Thu Sep 27, 2018 5:44 am
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Maximum allowable Jack pressure on Prep DAC HPLC columns
by sanchrom » Sat Sep 22, 2018 11:49 am
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1
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3435
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Last post by tom jupille
Tue Sep 25, 2018 11:12 pm
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Agilent Evaporative Light Scattering detector leak: Error 15
by vladchern » Tue Sep 18, 2018 7:20 pm
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1
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3869
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Last post by ATAlR
Thu Sep 20, 2018 11:24 am
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LC speed record
by MaxSpecs » Thu Sep 20, 2018 10:50 am
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0
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3536
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Last post by MaxSpecs
Thu Sep 20, 2018 10:50 am
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