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WEIGHTING FACTOR
by lidiapuigventos » Mon May 14, 2018 8:07 am
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0
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3854
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Last post by lidiapuigventos
Mon May 14, 2018 8:07 am
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Waters 410 RI sinusoidal baseline problems
by project grizzly » Wed May 19, 2010 1:31 pm
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3
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4481
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Last post by Multidimensional
Fri May 11, 2018 3:36 pm
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what is the lifetime of a Deuterium lamp?
by firework1 » Wed Jan 23, 2008 4:52 pm
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31
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28824
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Last post by rikky7777
Fri May 11, 2018 1:28 pm
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Wich company officialy supports old Merck-Hitachi HPLC's?
by daniel_aut » Wed Jan 29, 2014 11:14 am
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4
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4490
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Last post by antonk
Fri May 11, 2018 1:01 pm
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Intermittent Detector Noise
by ksharp » Thu Dec 02, 2010 6:01 pm
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11
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4317
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Last post by rikky7777
Fri May 11, 2018 2:56 am
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TSP Auto-sampler connection
by engkhaled » Sat Jan 14, 2012 3:44 pm
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2
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3141
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Last post by rikky7777
Fri May 11, 2018 2:00 am
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Cyclohexane pressure problems
by peterjack » Fri Jul 28, 2017 4:14 pm
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2
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3585
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Last post by rikky7777
Fri May 11, 2018 1:12 am
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Difference between 2695 and H class autoinjectors
by Geof235 » Wed May 09, 2018 12:51 am
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1
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2872
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Last post by DR
Thu May 10, 2018 3:05 pm
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Fatty acids by Dual AJS ESI-TOF Agilent HPLC
by Joanna_K » Wed May 09, 2018 12:32 pm
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0
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3480
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Last post by Joanna_K
Wed May 09, 2018 12:32 pm
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FITC Dextran analysis by HPLC
by jralic » Wed May 09, 2018 11:05 am
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0
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3745
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Last post by jralic
Wed May 09, 2018 11:05 am
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new software and instrument...help
by lvan » Tue Mar 06, 2018 1:22 pm
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13
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4700
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Last post by varossf
Mon May 07, 2018 2:17 pm
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SCX and mysterious peak
by apdoyle » Fri May 04, 2018 3:07 pm
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2
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2891
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Last post by apdoyle
Mon May 07, 2018 8:48 am
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Calibration curve by changing injection volume, validation?
by Perreman » Tue Dec 29, 2015 9:44 am
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16
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11606
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Last post by mckrause
Tue May 01, 2018 3:29 am
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Best approaches to gradient with ion pairing agents (odsa)
by Geof235 » Sun Apr 29, 2018 1:59 am
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3
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3669
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Last post by Vlad Orlovsky
Mon Apr 30, 2018 2:44 pm
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Waters instrument using Chemstation software
by lvan » Thu Mar 22, 2018 12:45 pm
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1
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3360
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Last post by Camelia
Fri Apr 27, 2018 3:16 pm
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Waters 2487 Lamp Failure
by blackmetalchem » Mon Apr 23, 2018 3:47 pm
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3
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3853
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Last post by Hollow
Thu Apr 26, 2018 5:00 pm
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PEEK tubing ID for HPLC
by qfiviera » Tue Apr 24, 2018 11:47 am
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2
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9136
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Last post by lmh
Wed Apr 25, 2018 11:01 am
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Analysis of Boronic Acid and Identified Boranes
by praveenpaliwal » Mon Apr 16, 2018 5:18 pm
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1
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3576
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Last post by qfiviera
Tue Apr 24, 2018 12:23 pm
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Alverine Citrate peak problem
by Ghali » Mon Apr 23, 2018 11:24 pm
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0
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4267
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Last post by Ghali
Mon Apr 23, 2018 11:24 pm
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Chiral separation of l and d prolinamide
by Mike H. » Mon Apr 23, 2018 2:37 pm
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0
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3863
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Last post by Mike H.
Mon Apr 23, 2018 2:37 pm
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USP Based Validation - Coeluter with RID
by Gizmo » Thu Apr 12, 2018 3:16 pm
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4
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3448
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Last post by Consumer Products Guy
Wed Apr 18, 2018 1:55 pm
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Strange Peaks on HPLC
by D.Roesch » Sat Mar 24, 2018 5:59 pm
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11
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5149
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Last post by Khanom
Fri Apr 13, 2018 1:25 pm
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Glassware cleanning and wastes treatment for LC
by iperdomo » Mon Apr 09, 2018 10:45 pm
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4
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3694
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Last post by James_Ball
Wed Apr 11, 2018 5:56 pm
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Acetaminophen and codeine Phosphate Dissolution USP monograp
by Geof235 » Sun Apr 08, 2018 10:12 pm
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1
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3090
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Last post by tom jupille
Mon Apr 09, 2018 9:10 pm
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Limit of detection and quantification of diprophylline??
by Fahima.T » Mon Apr 09, 2018 6:49 pm
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1
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2701
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Last post by mattmullaney
Mon Apr 09, 2018 7:29 pm
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UPLC High pressure problems
by Geof235 » Sun Apr 08, 2018 3:34 am
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7
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7928
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Last post by mattmullaney
Mon Apr 09, 2018 8:42 am
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Difference between waters PDA detector (2996 vs 2998)
by chiru » Sun Apr 08, 2018 12:29 pm
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1
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4104
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Last post by DR
Mon Apr 09, 2018 2:08 am
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1-Methylcyclopropane-1-sulfonamide
by Durga malleswar » Fri Apr 06, 2018 12:48 pm
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0
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3821
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Last post by Durga malleswar
Fri Apr 06, 2018 12:48 pm
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pressure spike in random injections
by Zoraku » Tue Apr 03, 2018 2:00 pm
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2
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3365
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Last post by Multidimensional
Fri Apr 06, 2018 12:29 pm
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Peptide dimers don't work on HILIC?
by Mattias » Mon Feb 12, 2018 8:24 am
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5
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3713
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Last post by Andy Alpert
Thu Apr 05, 2018 2:18 pm
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Low pressure mixing
by DeniseHeinz » Thu Mar 29, 2018 9:18 pm
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12
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4243
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Last post by lmh
Thu Apr 05, 2018 11:10 am
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instrument LOQ and Method LOQ
by Suraz » Tue Apr 03, 2018 9:56 am
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5
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4174
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Last post by Suraz
Wed Apr 04, 2018 3:10 pm
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using HFIP in mobile phase
by morozovae » Sun Feb 18, 2018 10:12 am
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9
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8615
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Last post by morozovae
Wed Mar 28, 2018 12:46 pm
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Retention Time Bouncing Around
by randi912d » Tue Mar 27, 2018 5:35 pm
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2
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2927
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Last post by Consumer Products Guy
Tue Mar 27, 2018 6:51 pm
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LC Column
by mohaiminul » Tue Mar 27, 2018 8:25 am
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3
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2902
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Last post by Andy Alpert
Tue Mar 27, 2018 2:43 pm
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Potency calculation question
by Mike H. » Mon Mar 26, 2018 7:29 pm
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1
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2804
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Last post by tom jupille
Tue Mar 27, 2018 2:04 pm
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Problem with ultimate 3000 wps autosampler
by Ghali » Mon Mar 19, 2018 2:41 pm
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4
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4993
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Last post by BostonFSE
Fri Mar 23, 2018 9:08 pm
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Retention time keep changing!
by Thi Nguyen » Wed Mar 21, 2018 11:47 am
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6
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4012
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Last post by Thi Nguyen
Thu Mar 22, 2018 11:21 am
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Tips of slurry column packing techniques
by wjcheong » Mon Feb 12, 2018 7:12 am
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6
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6007
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Last post by wjcheong
Mon Mar 19, 2018 3:07 am
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Agilent 1100 HPLC high pressure issue
by Bsigle10.011 » Thu Mar 01, 2018 10:11 pm
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4
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3912
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Last post by leadazide
Thu Mar 15, 2018 6:36 pm
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Screw vs crimp caps
by mlhuls01 » Tue Mar 13, 2018 2:17 pm
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2
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3339
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Last post by Zoraku
Wed Mar 14, 2018 5:53 pm
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IPC split peaks
by Gianna » Mon Mar 12, 2018 10:54 am
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2
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3082
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Last post by tom jupille
Tue Mar 13, 2018 1:54 pm
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C4 Column Suggestion to analyse a 4kD(peptide) 60kD(protein)
by Faith » Fri Mar 02, 2018 3:28 am
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7
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4374
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Last post by mattmullaney
Sun Mar 11, 2018 11:59 am
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Big problem! Two Injections
by etaxene » Thu Mar 08, 2018 12:52 pm
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3
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3465
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Last post by tom jupille
Fri Mar 09, 2018 11:44 pm
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Column selection - thiamine pyrophosphate
by Rndirk » Fri Mar 09, 2018 7:41 am
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2
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3094
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Last post by Vlad Orlovsky
Fri Mar 09, 2018 10:48 pm
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Question About Modelling of Mobile Phase
by hajdaei » Wed Mar 07, 2018 1:00 am
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2
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3313
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Last post by Dr Bob Lott
Thu Mar 08, 2018 1:03 pm
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UPLC --- What's the Success Rate???
by Jimi » Mon Feb 12, 2018 6:16 pm
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12
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5262
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Last post by adam
Wed Mar 07, 2018 12:44 am
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Analyzer Vitamin D3
by dfragoso » Sat Mar 03, 2018 1:15 am
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3
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3710
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Last post by Rndirk
Tue Mar 06, 2018 7:40 am
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persistent contaminant(?) in UHPLC-DAD-FLD system
by niknen » Sat Mar 03, 2018 3:35 pm
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7
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3384
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Last post by mattmullaney
Tue Mar 06, 2018 6:22 am
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Baseline Dip after Peak
by Gizmo » Wed Feb 28, 2018 6:23 pm
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5
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5487
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Last post by Multidimensional
Fri Mar 02, 2018 8:24 pm
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