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pKa and Buffering capacity
by ajey » Sun Nov 23, 2008 2:56 pm
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13
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6131
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Last post by HW Mueller
Fri Dec 05, 2008 5:01 pm
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How to Handle Hygroscopic Reference Standards?
by syx » Thu Nov 27, 2008 6:36 am
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18
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10432
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Last post by HW Mueller
Fri Dec 05, 2008 4:32 pm
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software for instrument control
by milbra » Wed Nov 26, 2008 8:27 pm
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2
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2010
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Last post by milbra
Fri Dec 05, 2008 1:14 pm
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Enantiomer separation on an achiral polar embedded column
by kjwellsknecht » Tue Dec 02, 2008 2:14 pm
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7
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2918
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Last post by Mattias
Fri Dec 05, 2008 11:26 am
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Ghost peak in reversed phase chromatography
by toconnor » Mon Dec 01, 2008 12:31 pm
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7
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2921
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Last post by DM909
Fri Dec 05, 2008 9:16 am
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Jumping of retention time with comparable reponse
by vliu » Fri Dec 05, 2008 12:51 am
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1
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2064
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Last post by DM909
Fri Dec 05, 2008 8:27 am
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the role of TFA on Reverse phase chromatography?
by dodora » Sun Oct 26, 2008 4:19 pm
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12
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25358
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Last post by dodora
Thu Dec 04, 2008 2:53 pm
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Peak Splitting
by Santosh Gandhi » Wed Dec 03, 2008 4:16 pm
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2
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1864
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Last post by Uwe Neue
Thu Dec 04, 2008 1:36 pm
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method development
by ajey » Fri Nov 28, 2008 2:32 pm
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8
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2991
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Last post by HW Mueller
Thu Dec 04, 2008 9:32 am
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Method Validation - different tablet strengths
by michaelcarolus » Wed Dec 03, 2008 2:00 pm
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5
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3427
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Last post by krickos
Thu Dec 04, 2008 7:03 am
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ChemStation error message
by PHOBIUS » Tue Dec 02, 2008 4:40 pm
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3
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1968
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Last post by PHOBIUS
Wed Dec 03, 2008 2:11 pm
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Valve injector and sample injection
by hplc1973 » Mon Dec 01, 2008 10:06 pm
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7
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2913
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Last post by LCbob
Wed Dec 03, 2008 12:23 pm
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Analysis of Melamine in Food
by Nalizer » Wed Sep 24, 2008 6:37 pm
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35
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12148
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Last post by MafaldaCosta
Wed Dec 03, 2008 10:48 am
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using TFK pH=6 as a solvent
by adi.nu.r » Tue Dec 02, 2008 8:35 pm
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0
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1595
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Last post by adi.nu.r
Tue Dec 02, 2008 8:35 pm
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Halogenated Molecule Sticking to Column
by hajdaei » Mon Nov 17, 2008 7:39 pm
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15
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3982
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Last post by adam
Tue Dec 02, 2008 8:06 pm
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chloroform of dichloromethane?
by bartjoosen » Tue Dec 02, 2008 12:16 pm
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4
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3151
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Last post by Bruce Hamilton
Tue Dec 02, 2008 7:50 pm
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Using peak area to estimate concentration
by niba » Mon Nov 24, 2008 5:20 pm
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10
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28710
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Last post by Jade.Barker
Tue Dec 02, 2008 7:02 pm
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Waters DNPH columns
by beca » Wed Nov 19, 2008 9:18 pm
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5
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2739
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Last post by Bryan Evans
Tue Dec 02, 2008 4:56 pm
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Help please with an analysis
by Tristan » Wed Nov 12, 2008 6:20 am
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5
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2478
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Last post by Vlad Orlovsky
Tue Dec 02, 2008 3:18 am
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C18 column problems due to ammonium bicarbonate buffer?
by DM909 » Fri Nov 21, 2008 5:31 pm
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11
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9738
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Last post by danko
Mon Dec 01, 2008 2:00 pm
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MEmory effect?
by Aurelien » Fri Nov 07, 2008 6:33 pm
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5
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5958
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Last post by HW Mueller
Mon Dec 01, 2008 9:35 am
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Web seminars
by scienceismylife » Fri Nov 28, 2008 3:57 am
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3
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2104
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Last post by tom jupille
Mon Dec 01, 2008 4:53 am
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retention problems using an amino column
by Andreas Karas » Tue Nov 11, 2008 9:17 am
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5
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2300
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Last post by mohan_2008
Mon Dec 01, 2008 3:14 am
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split peak
by mk12 » Thu Nov 20, 2008 11:56 pm
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2
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1669
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Last post by mohan_2008
Sun Nov 30, 2008 11:03 pm
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Working Standards
by Chris » Fri Nov 28, 2008 7:13 am
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7
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2554
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Last post by mohan_2008
Sun Nov 30, 2008 10:10 pm
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Buffering cpacity
by praveenpaliwal » Sun Nov 23, 2008 10:50 am
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9
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2853
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Last post by mohan_2008
Sun Nov 30, 2008 5:52 pm
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Column Storage Question
by WuShock » Sun Nov 30, 2008 2:13 am
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3
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1608
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Last post by mohan_2008
Sun Nov 30, 2008 4:51 pm
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method development
by ajey » Wed Nov 26, 2008 3:00 pm
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3
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1570
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Last post by mohan_2008
Sat Nov 29, 2008 2:54 am
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Screening methods for LC
by Mattias » Thu Nov 27, 2008 9:55 am
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6
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1828
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Last post by SIELC_Tech
Fri Nov 28, 2008 4:02 pm
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complexing of phosphates with metal parts of the HPLC
by PHOBIUS » Tue Nov 18, 2008 1:30 pm
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9
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2670
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Last post by goxy43
Fri Nov 28, 2008 9:20 am
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maximum peak absorbance for Forced degradation in UPLC
by pat_val » Tue Nov 25, 2008 1:41 pm
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3
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1611
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Last post by aceto_81
Thu Nov 27, 2008 2:47 pm
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pressure fluctuations UPLC column
by Ruth » Mon Nov 24, 2008 12:02 pm
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9
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2523
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Last post by zokitano
Thu Nov 27, 2008 2:05 pm
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Help Building a Post Column Reaction
by emc » Wed Nov 26, 2008 9:13 pm
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7
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3019
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Last post by HW Mueller
Thu Nov 27, 2008 1:13 pm
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Did I ruin my column? Superdex 75 - 10/300 above max press.
by WuShock » Tue Nov 25, 2008 11:45 pm
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4
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2923
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Last post by Mattias
Thu Nov 27, 2008 8:28 am
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amino acids analysis
by ollysa » Tue Nov 11, 2008 6:26 pm
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7
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2318
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Last post by JOCAPEN
Wed Nov 26, 2008 11:18 pm
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method validation - 2 external calibration curves?
by sunnysideup » Mon Nov 24, 2008 6:52 pm
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5
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1849
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Last post by Consumer Products Guy
Tue Nov 25, 2008 3:59 pm
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HPLC method for analysis of pseudo, dex and chlor
by Analyst1 » Mon Nov 24, 2008 4:29 pm
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1
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1537
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Last post by SIELC_Tech
Mon Nov 24, 2008 9:55 pm
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method development
by uppala » Mon Nov 10, 2008 3:20 pm
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6
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2110
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Last post by Jade.Barker
Mon Nov 24, 2008 6:06 pm
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Storage solvent for Shodex KC 811 column
by John R. Carver » Fri Nov 14, 2008 3:27 pm
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2
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1822
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Last post by Jade.Barker
Mon Nov 24, 2008 6:01 pm
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What did Tsvet (Tswett) Do? - R.E. column adsorption
by dkreller » Thu Nov 20, 2008 1:31 pm
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9
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2575
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Last post by Uwe Neue
Sat Nov 22, 2008 4:42 pm
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Aluminium oxide chromatography problem
by mlh_pep » Fri Nov 21, 2008 6:55 am
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3
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2963
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Last post by mlh_pep
Sat Nov 22, 2008 8:39 am
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SEC method for determination of tween
by kishoreravuri » Fri Nov 21, 2008 12:08 pm
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1
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1373
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Last post by Bryan Evans
Fri Nov 21, 2008 5:57 pm
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Pump cal failed
by lcrandall » Fri Oct 31, 2008 6:14 pm
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8
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2936
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Last post by lcrandall
Fri Nov 21, 2008 3:08 pm
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hplc detector....which is the best?
by che313 » Sat Nov 15, 2008 9:53 am
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7
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2925
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Last post by detox
Fri Nov 21, 2008 5:35 am
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Agilent 1200 baseline puzzle!
by derboyl » Fri Oct 31, 2008 11:05 am
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6
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3046
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Last post by detox
Fri Nov 21, 2008 4:43 am
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HPLC 1090 Communications
by Peter J Joyce » Wed Nov 19, 2008 11:07 pm
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3
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1802
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Last post by Peter J Joyce
Fri Nov 21, 2008 12:30 am
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Is ammonium bicarbonate volatile ?
by PHOBIUS » Wed Nov 19, 2008 10:46 am
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7
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5540
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Last post by Uwe Neue
Thu Nov 20, 2008 5:16 pm
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peaks eluting within column dead time
by CPR » Thu Nov 06, 2008 9:32 pm
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8
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4979
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Last post by CPR
Thu Nov 20, 2008 2:42 pm
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Linearity
by d.telaro » Tue Nov 11, 2008 2:31 pm
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2
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1560
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Last post by jbshan
Thu Nov 20, 2008 8:23 am
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Interference Using PDA and fluorescence detectors in series
by Gregory McLaughlin » Mon Nov 10, 2008 11:17 pm
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28
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4239
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Last post by Uwe Neue
Wed Nov 19, 2008 8:04 pm
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