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longer Rt, low flow rate, no leaks, low pressure ???
by seamus009 » Mon Mar 20, 2017 11:35 pm
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5
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6553
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Last post by lmh
Mon Mar 27, 2017 8:58 am
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negative intercept and no peaks
by aya » Thu Mar 23, 2017 1:43 am
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3
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3175
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Last post by aya
Mon Mar 27, 2017 12:44 am
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Can you convert a G1377A into a G1367A
by Ruedog » Fri Jan 03, 2014 4:37 pm
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3
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3823
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Last post by palomarres
Sun Mar 26, 2017 4:30 pm
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Spiked sample
by 123jayne » Tue Feb 14, 2017 5:17 pm
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2
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2971
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Last post by Arne
Sat Mar 25, 2017 1:10 pm
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New column storage
by arnabroy81 » Mon Mar 13, 2017 8:20 am
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6
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3544
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Last post by arnabroy81
Thu Mar 23, 2017 11:26 am
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Mobile phase as sample
by greg07 » Fri Mar 17, 2017 1:03 pm
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22
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7003
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Last post by Rndirk
Tue Mar 21, 2017 11:37 am
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HPLC-DAD randomly stops during sequence
by Rndirk » Tue Mar 21, 2017 8:29 am
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1
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3422
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Last post by tkubowicz
Tue Mar 21, 2017 8:38 am
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Which switching valve for Sciex Analyst 1.3 and up
by dickmuoki@gmail.com » Tue Mar 21, 2017 3:19 am
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0
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3733
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Last post by dickmuoki@gmail.com
Tue Mar 21, 2017 3:19 am
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Peak Splitting only in early part of Gradient Run
by Cody14 » Thu Nov 03, 2016 9:07 pm
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9
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7229
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Last post by mattmullaney
Fri Mar 17, 2017 2:24 pm
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Separation of proanthocyanidins on HILIC
by Bujoralexandra » Sat Mar 11, 2017 6:54 pm
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1
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3355
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Last post by Gerhard Kratz
Thu Mar 16, 2017 10:31 am
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Dissolving ammonium formate in acetonitrile
by emanuele.scollo » Sun Oct 24, 2010 2:47 pm
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7
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15898
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Last post by Andy Alpert
Tue Mar 14, 2017 3:40 pm
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Strange SCX retention
by Chemist Waldron » Tue Mar 07, 2017 6:45 pm
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11
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4667
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Last post by mattmullaney
Mon Mar 13, 2017 6:20 pm
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Pump problem with n-Heptane
by usuchrom » Mon Mar 06, 2017 10:17 am
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8
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4175
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Last post by HbJ
Sun Mar 12, 2017 5:55 am
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Shimadzu FCV-12 install in CTO-20A oven?
by WoodBird » Wed Mar 08, 2017 11:09 pm
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0
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3833
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Last post by WoodBird
Wed Mar 08, 2017 11:09 pm
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PRACTICAL CONSIDERATIONS FOR THE USE OF ACQUITY QDA DETECTOR
by Anna.ser » Mon Mar 06, 2017 9:20 am
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8
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7624
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Last post by Magpie
Wed Mar 08, 2017 5:27 pm
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Strange pressure profile on Aquity
by bunnahabhain » Wed Mar 08, 2017 9:01 am
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3
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3562
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Last post by bunnahabhain
Wed Mar 08, 2017 2:25 pm
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UPLC linearity data interpretation
by aporesearch » Wed Mar 01, 2017 10:31 am
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2
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3981
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Last post by mattmullaney
Thu Mar 02, 2017 6:34 pm
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Thermo solenoid valves
by craftti » Wed Jan 25, 2017 4:56 pm
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2
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3241
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Last post by craftti
Tue Feb 28, 2017 2:57 pm
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Phenylephrine separation with stabalizers
by ChromChem » Fri Feb 10, 2017 1:05 pm
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5
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4788
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Last post by ChromChem
Tue Feb 28, 2017 3:21 am
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Perkin Elmer 200EP DAD IP Address configuration
by pritamkarn » Mon Feb 27, 2017 2:26 pm
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0
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3852
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Last post by pritamkarn
Mon Feb 27, 2017 2:26 pm
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Requalification after moving HPLC systems to another lab
by dimitrije » Thu Oct 01, 2015 8:46 am
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4
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7324
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Last post by mirac_han
Sat Feb 25, 2017 5:42 am
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RPLC OF PYRETHROID: peak area reproducibility
by sofiane » Fri Feb 03, 2017 8:06 pm
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8
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4279
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Last post by JI2002
Fri Feb 24, 2017 5:31 pm
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Rosuvastatin photolytic degradation
by CHRISCHAR » Wed Feb 22, 2017 1:18 pm
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3
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3302
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Last post by HPLC chemist
Fri Feb 24, 2017 12:08 pm
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Ionic liquids.
by Jam » Fri Feb 24, 2017 5:58 am
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1
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2826
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Last post by Rndirk
Fri Feb 24, 2017 7:30 am
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UV maxima for phenyl-B-D-glucopyranoside
by samchromato » Tue Feb 21, 2017 11:55 pm
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1
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2869
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Last post by tkubowicz
Wed Feb 22, 2017 7:33 am
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aminoacid hydrolysis and HPLC analysis
by hplcnewuser1 » Tue Jan 10, 2017 7:51 pm
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6
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3898
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Last post by hplcnewuser1
Tue Feb 21, 2017 8:17 pm
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1367A Sample Loop Replacement
by Gizmo » Thu Feb 16, 2017 10:10 pm
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4
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3880
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Last post by Gizmo
Mon Feb 20, 2017 3:40 pm
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Trying to understand HILIC..
by Mattias » Thu Feb 09, 2017 10:19 am
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7
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5147
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Last post by Mattias
Mon Feb 20, 2017 11:50 am
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unkown volume
by 123jayne » Wed Feb 15, 2017 9:31 am
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2
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3182
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Last post by Peter Apps
Wed Feb 15, 2017 6:22 pm
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Concentration
by etaxene » Wed Feb 15, 2017 11:17 am
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1
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3073
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Last post by HPLC chemist
Wed Feb 15, 2017 1:33 pm
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mostly water/minimal retention
by sepscientologist » Thu Feb 09, 2017 5:25 am
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2
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3032
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Last post by mckrause
Wed Feb 15, 2017 1:14 am
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Dosage de sucre : quelle colonne ?
by FRMDUC » Tue Feb 14, 2017 10:20 am
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6
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4485
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Last post by Andy Alpert
Tue Feb 14, 2017 5:18 pm
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How to decrease file size with Waters 2996 PDA?
by Dr Zoidberg » Wed Jan 11, 2017 9:30 pm
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7
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4795
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Last post by mattmullaney
Tue Feb 14, 2017 12:50 am
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Trial Injections in a chromatographic analysis
by mataji » Mon Feb 06, 2017 2:18 pm
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6
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5798
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Last post by Rndirk
Mon Feb 13, 2017 8:54 pm
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Varian Prostar 335 error
by daniel_aut » Mon Jan 13, 2014 4:31 pm
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16
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10511
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Last post by RogueResearch
Tue Feb 07, 2017 9:05 pm
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SPD-M10Avp PDA detector tungsten lamp
by John Jones » Wed Jan 25, 2017 1:32 pm
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2
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3199
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Last post by John Jones
Tue Feb 07, 2017 6:37 pm
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Reduced peak height
by AnaChem1983 » Mon Feb 06, 2017 9:20 pm
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2
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6216
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Last post by AnaChem1983
Tue Feb 07, 2017 11:47 am
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Dionex Autosampler injections
by Diura » Mon Feb 06, 2017 3:47 pm
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0
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4539
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Last post by Diura
Mon Feb 06, 2017 3:47 pm
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Agilent 1100 Pump connection problem
by serkantk » Fri Feb 03, 2017 6:32 pm
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11
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10991
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Last post by tkubowicz
Mon Feb 06, 2017 3:20 pm
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"Live on the Web" courses coming in March
by tom jupille » Sun Feb 05, 2017 11:07 pm
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0
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3611
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Last post by tom jupille
Sun Feb 05, 2017 11:07 pm
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Separation of sugar phosphates from orthophosphates
by separationofs1p » Sat Feb 04, 2017 11:45 am
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0
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3504
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Last post by separationofs1p
Sat Feb 04, 2017 11:45 am
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Does ammonium carbonate pH 10 destroy pumps?
by bunnahabhain » Wed Feb 01, 2017 1:10 pm
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5
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4663
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Last post by bunnahabhain
Fri Feb 03, 2017 7:41 am
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Systec HPLC degassers
by HPLC_chainik » Wed Feb 01, 2017 10:04 pm
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0
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3505
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Last post by HPLC_chainik
Wed Feb 01, 2017 10:04 pm
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Ascobic Acid (Vitamin C) HILIC problem
by qfiviera » Fri Jan 27, 2017 5:23 pm
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6
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4281
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Last post by HPLC chemist
Mon Jan 30, 2017 5:03 pm
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Sample loop ruptured
by arnabroy81 » Wed Jan 25, 2017 5:00 am
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4
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3928
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Last post by arnabroy81
Mon Jan 30, 2017 5:41 am
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Waters 501 HPLC Pump
by chemgc779 » Fri Jan 27, 2017 6:56 am
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4
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4032
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Last post by uzman
Sat Jan 28, 2017 3:23 pm
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Reaction/color change of Diethylamine
by adam » Tue Jan 24, 2017 7:54 pm
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7
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4655
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Last post by Forse
Fri Jan 27, 2017 8:04 am
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HPLC retention question
by chemgc779 » Sat Jan 14, 2017 7:05 am
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5
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4028
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Last post by chemgc779
Fri Jan 27, 2017 6:53 am
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HP1090 EF23 Error
by TamBrabham » Thu Jan 26, 2017 10:16 pm
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0
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3387
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Last post by TamBrabham
Thu Jan 26, 2017 10:16 pm
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peak areas are half size than normally
by Melkak » Thu Jan 26, 2017 2:50 pm
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2
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2897
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Last post by DR
Thu Jan 26, 2017 9:01 pm
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