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Agilent reference wavelength
by mardexis » Wed Apr 14, 2010 11:53 pm
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10
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13133
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Last post by Multidimensional
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Source of Electropolished Tubing for HPLC Columns
by Vlad Orlovsky » Thu Jan 18, 2018 4:29 pm
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6
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3434
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No flow on Thermo Dionex Ultimate 3000
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10
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9303
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Dionex Pressure calibration
by jenncarter » Wed Jan 17, 2018 9:03 pm
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0
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3448
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Last post by jenncarter
Wed Jan 17, 2018 9:03 pm
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Potential Band Broadening issues
by Eggstract » Fri Jan 12, 2018 1:05 pm
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17
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6181
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Glyphosate using EPA 547
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23
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9458
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Buffer concentration vs Retention Time
by ether » Fri Nov 04, 2011 10:35 am
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6
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7685
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Last post by HPLC chemist
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Why is methanol a preferred solvent for flushing machine?
by EmpowersBane » Sat Jan 13, 2018 10:20 am
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7
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15800
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HPLC Validation Reproducibility Sample Prep
by mike_s » Tue Jan 09, 2018 9:04 pm
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6
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4273
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Last post by mattmullaney
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How can I calculate de Void Volume of a strong anionic excha
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2
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2927
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Column Volume Calculation
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3
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25587
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No-column injection for peak area determination
by holmerz » Thu Jan 04, 2018 10:09 am
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15
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6303
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HPLC courses coming up in March
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0
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3950
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Last post by tom jupille
Fri Jan 12, 2018 12:33 am
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Totalchrom Perkin Elmer
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6
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6633
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Peak Purity
by Mike H. » Tue Jan 09, 2018 4:25 pm
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4
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3839
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HP 1050 - Alternative Software
by danor285 » Tue Oct 24, 2017 6:14 pm
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9
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4562
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Tue Jan 09, 2018 3:09 pm
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Injection solvent for reverse phase
by kouroshh1 » Mon Jan 08, 2018 10:32 pm
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7
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6663
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irreproducible areas
by jcwagner » Tue Dec 19, 2017 2:49 pm
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11
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3903
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Last post by mattmullaney
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Green Solvents?
by dremart11 » Thu Jan 04, 2018 8:43 pm
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1
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3004
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Last post by tom jupille
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Hydrogen bonding in HPLC
by Mike H. » Wed Jan 03, 2018 7:50 pm
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13
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4642
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Last post by mattmullaney
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Carryover problems
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6
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7037
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Problem with Indole-3-carbinol chromotography
by kouroshh1 » Mon Dec 18, 2017 9:38 pm
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51
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11236
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Last post by kouroshh1
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No-column injection for peak area determination
by holmerz » Thu Jan 04, 2018 10:08 am
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2
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2952
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Last post by Vlad Orlovsky
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radial temperature gradient in LC
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2
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3410
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Which is more accurate way to calculate Potency?
by Apple_insci » Sun Nov 09, 2008 7:15 am
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22
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45259
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Void Volume Question
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8
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7194
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Shimadzu Prominence CBM20 Cannot connect to Labsolutions
by Mindhunter2018 » Wed Jan 03, 2018 3:32 am
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2
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3991
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additives for chiral
by jcwagner » Wed Dec 27, 2017 10:30 pm
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6
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4583
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1090 LC Service Manual
by syringe » Sat Feb 28, 2015 5:17 pm
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14
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6781
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pressure problems making no sense
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8
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3884
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Analysis of organic acids using HPLC-PDA
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25
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8131
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Protein separation by reverse phase HPLC
by cgodse@gmail.com » Fri Dec 15, 2017 7:17 am
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7
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5666
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Last post by Multidimensional
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HPLC ion exchange chromatogram nasty
by LabPro » Mon Dec 04, 2017 3:00 pm
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1
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3052
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Last post by mattmullaney
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ghost peak at LC
by id4hplc » Sat Dec 23, 2017 8:13 pm
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1
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2712
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Acetaldehyde split
by lvan » Tue Nov 28, 2017 4:34 pm
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5
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3892
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< or > LOQ
by crimelist » Tue Dec 12, 2017 2:37 pm
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16
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5828
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help with HPLC dionex sumit whit detector ultimate 3100
by erick12 » Thu Dec 21, 2017 7:18 pm
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1
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2710
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Last post by mattmullaney
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separation of positional isomers
by Mike H. » Wed Dec 13, 2017 8:56 pm
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16
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12427
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flow cell pressure
by jcwagner » Tue Dec 12, 2017 9:44 pm
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7
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5310
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Last post by lmh
Tue Dec 19, 2017 11:50 am
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Possible Co-Eluter Issues - DAD
by Gizmo » Fri Dec 15, 2017 11:00 pm
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7
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3472
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Last post by lmh
Tue Dec 19, 2017 11:24 am
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How often people develop LC method which has flow rate chang
by KhareM » Fri Dec 15, 2017 7:54 pm
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5
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3085
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amperometric detection using BASi - LC4C
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1
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2917
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Last post by Markus Laeubli, Metrohm
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CO2 free water for electrochemical detector
by thohry » Mon Dec 04, 2017 4:46 am
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4
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9136
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Last post by Markus Laeubli, Metrohm
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NLT Theoritical Plate 2000 ?
by metuchem » Sat Dec 16, 2017 8:59 am
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5
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4093
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Last post by mattmullaney
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Does kinked tubing cause dipping baselines?
by EmpowersBane » Sat Dec 16, 2017 11:46 am
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2
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3228
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Last post by mattmullaney
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PL-ELS 2100 Software
by CJFugate » Thu Dec 14, 2017 11:53 pm
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0
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5445
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Last post by CJFugate
Thu Dec 14, 2017 11:53 pm
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LC VIM selector valve rotor seal rusting??
by moreysalzman » Tue Nov 21, 2017 8:27 pm
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3
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3886
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Last post by Multidimensional
Wed Dec 13, 2017 7:04 pm
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Hydrxoxyproline interference
by simon.leclair2 » Fri Dec 01, 2017 12:35 pm
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7
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3824
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Last post by simon.leclair2
Tue Dec 12, 2017 3:39 pm
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Do you have some suggests for Tadalafil impurities in USP ?
by s544186414 » Wed Nov 29, 2017 9:03 am
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3
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3525
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Last post by HPLC chemist
Sun Dec 10, 2017 3:44 pm
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Trouble with Waters UPLC guard filter
by bunnahabhain » Wed Dec 06, 2017 2:24 pm
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5
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3863
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Fri Dec 08, 2017 10:24 am
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