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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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6119
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Last post by mattmullaney
Tue Jan 16, 2018 6:42 pm
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Glyphosate using EPA 547
by Bigbear » Thu May 19, 2016 2:38 pm
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23
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9405
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Last post by Bigbear
Tue Jan 16, 2018 12:55 pm
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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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7571
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Last post by HPLC chemist
Tue Jan 16, 2018 11:18 am
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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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15237
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Last post by mattmullaney
Sun Jan 14, 2018 12:45 pm
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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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4189
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Last post by mattmullaney
Fri Jan 12, 2018 7:53 pm
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How can I calculate de Void Volume of a strong anionic excha
by apotolicchio » Fri Jan 12, 2018 3:16 pm
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2
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2898
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Last post by mattmullaney
Fri Jan 12, 2018 5:55 pm
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Column Volume Calculation
by apotolicchio » Thu Jan 11, 2018 5:22 pm
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3
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25176
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Last post by apotolicchio
Fri Jan 12, 2018 11:00 am
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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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6190
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Last post by holmerz
Fri Jan 12, 2018 7:51 am
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HPLC courses coming up in March
by tom jupille » Fri Jan 12, 2018 12:33 am
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0
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3914
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Last post by tom jupille
Fri Jan 12, 2018 12:33 am
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Totalchrom Perkin Elmer
by Sallybeetle » Fri Nov 14, 2014 11:49 pm
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6
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6588
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Last post by Sallybeetle
Wed Jan 10, 2018 6:45 pm
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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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3774
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Last post by mattmullaney
Wed Jan 10, 2018 3:27 pm
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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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4537
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Last post by mckrause
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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6360
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Last post by mattmullaney
Tue Jan 09, 2018 2:58 pm
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irreproducible areas
by jcwagner » Tue Dec 19, 2017 2:49 pm
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11
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3868
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Last post by mattmullaney
Tue Jan 09, 2018 10:28 am
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Green Solvents?
by dremart11 » Thu Jan 04, 2018 8:43 pm
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1
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2988
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Last post by tom jupille
Mon Jan 08, 2018 7:41 pm
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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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4612
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Last post by mattmullaney
Mon Jan 08, 2018 6:48 pm
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Carryover problems
by Jeff35 » Sat Jan 06, 2018 5:47 pm
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6
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6832
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Last post by mattmullaney
Sun Jan 07, 2018 5:37 pm
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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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10664
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Last post by kouroshh1
Sat Jan 06, 2018 10:38 pm
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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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2919
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Last post by Vlad Orlovsky
Sat Jan 06, 2018 9:45 pm
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radial temperature gradient in LC
by MaxSpecs » Fri Jan 05, 2018 1:57 pm
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2
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3386
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Last post by mattmullaney
Fri Jan 05, 2018 11:17 pm
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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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45009
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Last post by Jahroll42
Thu Jan 04, 2018 4:38 am
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Void Volume Question
by Gizmo » Thu Dec 28, 2017 10:07 pm
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8
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7097
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Last post by Rndirk
Wed Jan 03, 2018 2:17 pm
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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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3940
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Last post by HPLC chemist
Wed Jan 03, 2018 1:40 pm
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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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4129
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Last post by Mike H.
Tue Jan 02, 2018 3:54 pm
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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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6744
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Last post by 1090SN
Mon Jan 01, 2018 6:24 am
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pressure problems making no sense
by SergioM420 » Sat Dec 16, 2017 5:03 pm
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8
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3861
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Last post by mattmullaney
Fri Dec 29, 2017 2:46 pm
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Analysis of organic acids using HPLC-PDA
by fruitjuice » Mon Oct 16, 2017 5:07 am
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25
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8028
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Last post by Multidimensional
Thu Dec 28, 2017 2:24 pm
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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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5612
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Last post by Multidimensional
Wed Dec 27, 2017 10:52 pm
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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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3029
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Last post by mattmullaney
Sun Dec 24, 2017 11:13 pm
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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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2693
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Last post by tom jupille
Sun Dec 24, 2017 7:32 pm
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Acetaldehyde split
by lvan » Tue Nov 28, 2017 4:34 pm
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5
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3843
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Last post by mattmullaney
Sun Dec 24, 2017 6:02 pm
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< or > LOQ
by crimelist » Tue Dec 12, 2017 2:37 pm
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16
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5758
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Last post by jcwagner
Fri Dec 22, 2017 10:24 pm
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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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2674
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Last post by mattmullaney
Thu Dec 21, 2017 7:58 pm
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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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11225
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Last post by lmh
Thu Dec 21, 2017 12:31 pm
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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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5087
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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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3420
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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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3052
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Last post by Jake
Mon Dec 18, 2017 8:51 pm
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amperometric detection using BASi - LC4C
by Torg » Mon Nov 27, 2017 12:39 pm
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1
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2891
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Last post by Markus Laeubli, Metrohm
Mon Dec 18, 2017 3:05 pm
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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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8923
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Last post by Markus Laeubli, Metrohm
Mon Dec 18, 2017 3:02 pm
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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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4044
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Last post by mattmullaney
Mon Dec 18, 2017 11:42 am
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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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3160
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Last post by mattmullaney
Sat Dec 16, 2017 5:04 pm
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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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5377
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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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3853
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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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3783
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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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3490
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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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3833
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Last post by Gaetan Glauser
Fri Dec 08, 2017 10:24 am
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No communication bw Shimadzu RF-20A & Clarity using Colibric
by khalidniazkhan » Thu Dec 07, 2017 2:03 pm
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2
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3026
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Last post by khalidniazkhan
Fri Dec 08, 2017 6:48 am
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HPLC Columns with different Endcappings
by Fawad » Sat Dec 02, 2017 10:03 am
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1
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3208
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Last post by tom jupille
Mon Dec 04, 2017 11:43 pm
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Connecting Thermo Surveyor to xCalibur
by laxdudeee » Sun Dec 03, 2017 10:16 pm
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0
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3556
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Last post by laxdudeee
Sun Dec 03, 2017 10:16 pm
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Agilent 1100 HPLC air bubble and baseline problem
by MitchHowell » Thu Apr 07, 2011 4:30 pm
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24
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16341
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Last post by Multidimensional
Fri Dec 01, 2017 5:56 pm
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