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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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3564
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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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3346
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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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4165
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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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6694
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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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3902
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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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4362
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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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5814
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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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3760
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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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3367
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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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3799
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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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3478
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Last post by MaxSpecs
Thu Sep 20, 2018 10:50 am
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In Memorium: Lloyd Snyder 1931 - 2018
by tom jupille » Wed Sep 19, 2018 8:00 pm
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0
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3614
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Last post by tom jupille
Wed Sep 19, 2018 8:00 pm
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Lubiprostone HPLC method
by wkhuang » Wed Jan 11, 2012 1:39 pm
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8
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7504
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Last post by Vlad Orlovsky
Tue Sep 18, 2018 3:17 pm
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New EP method for paracetamol
by jcwagner » Sun Sep 09, 2018 12:24 pm
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15
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6606
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Last post by dap
Tue Sep 18, 2018 6:13 am
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Not using UPLC for a week or longer between runs
by EmpowersBane » Sat Sep 15, 2018 9:51 am
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2
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3405
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Last post by EmpowersBane
Mon Sep 17, 2018 3:24 pm
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Derived channels for peak purity determination (Empower)
by Rob Burgess » Fri Sep 14, 2018 9:29 am
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1
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3376
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Last post by mattmullaney
Fri Sep 14, 2018 4:33 pm
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3-(1,2-Oxazolidone)
by ilycip2015 » Mon Sep 03, 2018 7:50 am
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3
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3362
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Last post by Vlad Orlovsky
Thu Sep 13, 2018 2:23 pm
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pH partition coefficent
by tubish81 » Wed Sep 05, 2018 7:41 pm
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8
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3650
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Last post by HPLCaddict
Sun Sep 09, 2018 4:41 pm
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problem at SPD-M10vp detector.
by CASABIOT » Wed Sep 05, 2018 4:29 pm
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3
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3364
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Last post by tom jupille
Fri Sep 07, 2018 7:06 pm
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1100 Series Modules showing as offline
by tylerkai » Wed Sep 05, 2018 2:56 pm
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2
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5059
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Last post by tylerkai
Thu Sep 06, 2018 8:25 pm
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Clearing a Shimadzu SIL-20A Fatal Error
by redzilla » Thu Jan 11, 2018 6:18 pm
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1
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6862
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Last post by WEH
Wed Sep 05, 2018 1:54 pm
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HPLC mobile phase
by syafiqah » Thu Aug 30, 2018 6:20 am
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3
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4433
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Last post by Rndirk
Tue Sep 04, 2018 6:39 am
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Impurities in new drug product
by chunduri.2009 » Wed Aug 08, 2018 2:29 pm
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4
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5128
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Last post by Geof235
Mon Sep 03, 2018 7:50 pm
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Analytical Method Validation Acceptance Criteria
by tubish81 » Sat Sep 01, 2018 5:41 pm
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7
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10918
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Last post by mattmullaney
Mon Sep 03, 2018 1:36 pm
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Cleaning Validation for Dexmedetomidine
by tubish81 » Sat Sep 01, 2018 6:13 pm
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1
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3384
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Last post by mattmullaney
Sat Sep 01, 2018 7:00 pm
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Problems with impurities separation and peak definition
by lismc » Thu Aug 30, 2018 11:56 am
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9
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4051
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Last post by mattmullaney
Fri Aug 31, 2018 8:39 pm
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Need a new Active Inlet Valve for a 1050
by wistar » Thu Aug 30, 2018 8:10 pm
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1
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3323
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Last post by Consumer Products Guy
Thu Aug 30, 2018 9:29 pm
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Varian HPLC PM
by lxBATESxl » Wed Aug 29, 2018 11:06 am
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0
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3376
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Last post by lxBATESxl
Wed Aug 29, 2018 11:06 am
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Interesting retention time shift
by Zoraku » Fri Aug 17, 2018 6:16 pm
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8
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4527
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Last post by Zoraku
Wed Aug 22, 2018 9:36 pm
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Waters 2695 GPV Problem
by clarkstill » Tue Aug 21, 2018 3:03 pm
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5
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6691
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Last post by clarkstill
Wed Aug 22, 2018 1:38 pm
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increased organic concentration in buffer - no change in RT
by alda8391 » Tue Nov 21, 2017 9:00 pm
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12
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4750
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Last post by mattmullaney
Tue Aug 21, 2018 9:20 pm
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Purge valve question on Waters 410 RI detector
by ecigtoxdoc » Thu Aug 09, 2018 7:44 pm
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1
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3566
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Last post by gstaepels
Mon Aug 20, 2018 9:28 am
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HPLC Method development course
by david_399 » Wed Sep 14, 2011 12:46 pm
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8
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5536
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Last post by Rob Burgess
Fri Aug 17, 2018 3:37 pm
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Agilent 1260 High pressure
by blakeyk » Mon Aug 13, 2018 4:53 pm
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5
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5956
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Last post by mattmullaney
Thu Aug 16, 2018 5:06 am
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Waters 2695 Torpedo Spring
by GoinBoardin » Fri Jul 27, 2018 6:41 pm
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3
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4279
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Last post by GoinBoardin
Wed Aug 15, 2018 6:16 pm
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C18 30 mm * 4.6 mm (2.4 uM) columns
by dap » Mon Aug 06, 2018 7:43 pm
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2
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3437
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Last post by mattmullaney
Sun Aug 12, 2018 1:04 am
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HPLC Retention time shifting
by lvan » Mon Aug 06, 2018 6:30 pm
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3
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7104
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Last post by lvan
Fri Aug 10, 2018 12:03 pm
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Possible to run gradients using Shimadzu FCV-10AL mixer?
by lespaul » Sun Aug 05, 2018 3:37 pm
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3
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5652
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Last post by lespaul
Thu Aug 09, 2018 7:05 pm
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Placebo Intereference
by ravin » Thu Jul 26, 2018 2:39 pm
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3
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4417
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Last post by HPLC chemist
Thu Aug 09, 2018 3:57 pm
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Analysis of Acrilamide by HPLC C18
by carol » Tue Aug 07, 2018 12:17 pm
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7
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4927
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Last post by Andy Alpert
Wed Aug 08, 2018 6:35 pm
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UV-linearity test failed
by moayed obeid » Fri Jul 20, 2018 4:17 pm
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1
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3418
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Last post by hplcguruguy
Mon Aug 06, 2018 5:41 pm
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HPLC Pump Seal wear in procedure?
by javaslinger » Tue Jul 31, 2018 4:13 pm
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4
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5189
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Last post by Multidimensional
Mon Aug 06, 2018 4:08 pm
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Problems with HPLC EDTA Assay
by dogmatta » Tue Mar 08, 2016 7:41 pm
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16
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11325
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Last post by soccerdad007
Wed Aug 01, 2018 11:34 pm
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HP1047A RID - connect to recorder or integrator A2D?
by lespaul » Sat Jul 28, 2018 4:13 pm
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4
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3751
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Last post by uzman
Mon Jul 30, 2018 7:27 pm
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Need Help Identifying UV Cell
by gapeev » Sun Jul 29, 2018 5:54 pm
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1
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3193
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Last post by uzman
Sun Jul 29, 2018 8:12 pm
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Acquity Sample Manager Wash Block Question
by Den » Sun Jul 29, 2018 3:41 pm
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0
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4196
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Last post by Den
Sun Jul 29, 2018 3:41 pm
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Waters 2414 RI sometimes has alarm on startup
by MikeL42 » Wed Jul 25, 2018 4:36 pm
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1
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3107
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Last post by Hollow
Thu Jul 26, 2018 7:39 pm
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who sells monoclonal antibody standards?
by Andy Alpert » Fri Sep 02, 2016 8:50 pm
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12
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6690
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Last post by Andy Alpert
Thu Jul 26, 2018 7:39 pm
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decreasing in retention time Vs. column deterioration
by fish.vegt » Tue Jul 24, 2018 4:20 pm
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3
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4039
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Last post by fish.vegt
Wed Jul 25, 2018 3:49 pm
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Ghost peaks with same intensity in every injection
by polakenzen » Wed Jul 19, 2017 12:04 pm
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16
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15176
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Last post by Ken99
Wed Jul 25, 2018 12:12 pm
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