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HPLC columns not supporting at the pH of 6-10 range
by jupallisreenivas » Thu Feb 21, 2013 6:55 am
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5
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3036
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Last post by Vlad Orlovsky
Fri Feb 22, 2013 4:07 pm
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RP Column Stability Under Reducing Conditions
by shornets45 » Wed Feb 20, 2013 8:51 pm
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1
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2016
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Last post by Gerhard Kratz
Fri Feb 22, 2013 10:05 am
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Column washing
by Perreman » Fri Feb 15, 2013 2:45 pm
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3
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2582
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Last post by danko
Thu Feb 21, 2013 11:15 am
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Dispersion media for Particle size analysis
by vagarwal » Wed Feb 20, 2013 3:33 am
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2
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1754
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Last post by vagarwal
Wed Feb 20, 2013 10:27 pm
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Fushing C18 column
by montana » Fri Feb 15, 2013 10:22 am
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4
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2430
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Last post by shornets45
Wed Feb 20, 2013 9:01 pm
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azelaic acid
by krystynakk » Tue Feb 19, 2013 8:15 pm
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1
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2775
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Last post by Vlad Orlovsky
Tue Feb 19, 2013 10:49 pm
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How to calculate volume of stationary phase in a column?
by lsreedharan » Mon Feb 18, 2013 9:41 pm
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4
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11570
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Last post by Peter Apps
Tue Feb 19, 2013 3:13 pm
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Air was flowing for 3 days into my column..
by lsreedharan » Mon Feb 18, 2013 7:52 pm
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3
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2685
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Last post by Gerhard Kratz
Tue Feb 19, 2013 11:15 am
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Help with antibiotics extraction
by pbarattini » Mon Feb 18, 2013 7:12 pm
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4
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4412
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Last post by pbarattini
Wed Feb 20, 2013 6:56 pm
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Dioctyl sodium sulfosuccinate
by Zahed » Mon Dec 20, 2010 3:47 pm
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4
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5399
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Last post by Consumer Products Guy
Mon Feb 18, 2013 3:26 pm
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help required for analysis
by rrm1987 » Thu Feb 07, 2013 10:59 am
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14
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2637
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Last post by HPLCaddict
Mon Feb 18, 2013 9:49 am
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Starting point for SAX column method
by Mattias » Thu Feb 07, 2013 12:08 pm
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5
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2709
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Last post by Mattias
Fri Feb 15, 2013 12:16 pm
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Vitamins Guidance
by an_k » Wed Feb 13, 2013 11:53 am
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4
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1940
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Last post by an_k
Fri Feb 15, 2013 9:19 am
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HPLC method development for aldehydes and ketones
by jupallisreenivas » Mon Feb 11, 2013 7:50 am
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12
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6728
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Last post by Vlad Orlovsky
Thu Feb 14, 2013 4:37 pm
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calculating first and second moments
by sepscientologist » Wed Feb 13, 2013 7:19 pm
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1
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2054
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Last post by tom jupille
Thu Feb 14, 2013 4:12 pm
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waters PDA help
by shadow » Tue Feb 12, 2013 10:00 pm
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2
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1762
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Last post by aceto_81
Wed Feb 13, 2013 9:56 am
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Analysis help
by shadow » Wed Jan 30, 2013 7:57 pm
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11
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2012
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Last post by shadow
Tue Feb 12, 2013 9:26 pm
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Problem with Cleaning system
by StephenO » Tue Feb 12, 2013 1:34 pm
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3
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1736
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Last post by BFR_83
Tue Feb 12, 2013 3:49 pm
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Injection artifact peak in all traces.
by excelsioranalytical » Tue Feb 12, 2013 6:26 am
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1
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2166
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Last post by DR
Tue Feb 12, 2013 1:36 pm
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HPLC METHOD DEVELOPMENT FOR ALDEHYDES AND KETONES
by jupallisreenivas » Mon Feb 11, 2013 7:52 am
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1
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2092
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Last post by Consumer Products Guy
Mon Feb 11, 2013 3:43 pm
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Question about acids and bases when doing HPLC
by Incitor » Fri Feb 08, 2013 3:34 pm
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2
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2077
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Last post by carls
Sat Feb 09, 2013 4:03 pm
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Request for manual with schematics for Waters 490
by HbJ » Fri Jul 06, 2012 11:15 pm
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2
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1912
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Last post by HbJ
Fri Feb 08, 2013 7:57 pm
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HPLC Separation of Hyaluronic Acid
by akthmps » Mon Oct 15, 2012 2:41 am
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7
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8712
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Last post by max_planck
Fri Feb 08, 2013 11:27 am
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Benefits of using ionic liquids in HPLC mobile phases.
by Jam » Fri Feb 08, 2013 9:44 am
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0
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2028
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Last post by Jam
Fri Feb 08, 2013 9:44 am
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EP Impurity Method for Timolol maleate is not robust
by max_planck » Wed Feb 06, 2013 8:33 am
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6
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2817
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Last post by JI2002
Thu Feb 07, 2013 6:02 pm
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Fundamentals of HPLC course Live on the Web starts Feb. 11
by tom jupille » Thu Feb 07, 2013 4:48 pm
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0
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2105
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Last post by tom jupille
Thu Feb 07, 2013 4:48 pm
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Consult about HPLC LKB
by Bspicata » Wed Feb 06, 2013 12:34 pm
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2
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2290
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Last post by Petrus Hemstrom
Thu Feb 07, 2013 2:31 pm
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Epicatechin wavelength for HPLC
by kez40 » Thu Feb 07, 2013 10:12 am
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2
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2485
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Last post by kez40
Thu Feb 07, 2013 12:50 pm
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What are your techniques with (Waters) check valves?
by dkreller » Tue Feb 05, 2013 1:40 pm
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8
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3597
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Last post by Bspicata
Wed Feb 06, 2013 9:26 pm
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front tailing
by push » Tue Feb 05, 2013 5:17 pm
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5
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3351
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Last post by tom jupille
Wed Feb 06, 2013 8:57 pm
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setting up a new Method and need help
by mikejungle » Mon Feb 04, 2013 5:30 pm
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2
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3114
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Last post by mikejungle
Wed Feb 06, 2013 5:35 pm
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Separating the LC from an LC-MS to run as stand alone HPLC
by bljstarr » Wed Jan 09, 2013 10:28 pm
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5
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6217
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Last post by orcicdejan
Wed Feb 06, 2013 3:42 pm
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Agilent 1100 injector problems
by DeniseHeinz » Mon Jan 21, 2013 8:52 pm
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4
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7078
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Last post by carls
Wed Feb 06, 2013 2:48 pm
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Problem with WATERS 2475 Fluorescence detector
by Patriciacapelari » Mon Sep 03, 2012 6:20 pm
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8
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8308
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Last post by Bull76
Wed Feb 06, 2013 10:13 am
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Alliance 2790 plonger homing issue
by Rachamim » Wed Oct 17, 2012 10:20 am
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7
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6414
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Last post by Bull76
Wed Feb 06, 2013 10:05 am
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in-process analysis of residual enzymes trypsin or carboxype
by oldtimer-2 » Wed Feb 06, 2013 5:24 am
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0
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2220
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Last post by oldtimer-2
Wed Feb 06, 2013 5:24 am
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Ion Pair Reagent Concentration Question
by tjk123 » Tue Feb 05, 2013 6:13 am
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3
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2583
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Last post by tjk123
Tue Feb 05, 2013 7:25 pm
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hyaluronate test method
by rgamage » Wed Jan 30, 2013 6:03 am
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2
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2078
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Last post by Fernando
Tue Feb 05, 2013 3:49 pm
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Carry Over??
by amishshah » Thu Jan 31, 2013 12:32 pm
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4
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2437
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Last post by JMcK
Tue Feb 05, 2013 1:36 pm
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Peak on isocratic mode when injection the eluent
by bunnahabhain » Mon Feb 04, 2013 2:23 pm
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4
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2929
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Last post by bunnahabhain
Tue Feb 05, 2013 10:35 am
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validation protocol
by mmm83 » Sat Jan 26, 2013 9:34 pm
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2
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2351
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Last post by zheyin
Mon Feb 04, 2013 9:06 pm
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Carryover in reversed phase column
by swarup_80 » Sun Feb 03, 2013 4:21 pm
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2
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3082
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Last post by zheyin
Mon Feb 04, 2013 8:48 pm
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Retention time increase with pressure increase
by skunked_once » Thu Jan 24, 2013 9:04 pm
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12
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6874
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Last post by skunked_once
Mon Feb 04, 2013 8:48 pm
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Adjustable pressure regulator for qualification
by artsjeroen » Thu Jan 31, 2013 8:05 am
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5
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2243
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Last post by artsjeroen
Mon Feb 04, 2013 9:00 am
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OOS procedure in pharma GMP labs
by aceto_81 » Fri Jan 25, 2013 10:20 am
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11
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3961
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Last post by krickos
Sun Feb 03, 2013 10:16 pm
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PAHs analysis by UPLC - tubings easily clog
by chhubert » Fri Feb 01, 2013 12:40 am
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3
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2158
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Last post by tom jupille
Sat Feb 02, 2013 4:13 pm
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Filtering Sulfuric Acid Mobile Phase
by gernzan » Fri Feb 01, 2013 3:03 pm
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1
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2367
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Last post by Consumer Products Guy
Fri Feb 01, 2013 7:49 pm
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Triethyl amine
by jllewis1 » Fri Feb 01, 2013 5:47 pm
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1
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2502
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Last post by chromatographer1
Fri Feb 01, 2013 6:41 pm
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Antiepileptic drugs determination in serum by hplc
by parya_m » Thu Jan 31, 2013 10:09 am
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3
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2397
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Last post by parya_m
Fri Feb 01, 2013 6:01 pm
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Dimethylamine hydrochloride tests
by vishnu » Fri Aug 19, 2011 5:18 pm
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13
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5978
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Last post by HPLCaddict
Fri Feb 01, 2013 3:30 pm
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