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Void volume when uracil and acetone are retained
by Brenton1 » Mon Jul 14, 2014 1:10 pm
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9
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7868
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Last post by tom jupille
Wed Jul 16, 2014 3:25 pm
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Injection Linearity and Repeatability Issue / Agilent 1100
by sga » Mon Jul 14, 2014 11:20 pm
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4
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3529
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Last post by sga
Wed Jul 16, 2014 12:57 pm
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Reporting as Single Largest Impurity
by jayroseville58 » Wed Jul 16, 2014 10:08 am
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1
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2814
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Last post by danko
Wed Jul 16, 2014 10:53 am
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Baseline improvement/ RP-HPLC /Peptide
by Ansh » Tue Jul 15, 2014 2:59 am
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5
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3952
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Last post by danko
Wed Jul 16, 2014 10:40 am
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prostar 210 solvend delivery problem
by nasirpour » Fri Jul 11, 2014 7:10 am
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3
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3351
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Last post by DoryFish
Tue Jul 15, 2014 11:28 pm
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ICH Reporting Limit (Related Substance Validation)
by jayroseville58 » Sun Jul 13, 2014 12:48 pm
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2
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4666
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Last post by jayroseville58
Tue Jul 15, 2014 5:31 am
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Shimadzu Class VP 4.3
by Hadassah » Mon Jul 14, 2014 7:34 pm
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0
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3574
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Last post by Hadassah
Mon Jul 14, 2014 7:34 pm
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LC courses from Analytical Training Solutions.
by CF - David Hills » Mon Jul 14, 2014 11:11 am
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0
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6490
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Last post by CF - David Hills
Mon Jul 14, 2014 11:11 am
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Imidazole by UPLC
by glitter » Thu Jul 10, 2014 10:55 am
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3
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5695
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Last post by glitter
Mon Jul 14, 2014 9:18 am
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Lots of air with new solvent inlet filters
by koenvanderdrift » Mon Jun 23, 2014 1:57 pm
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5
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5878
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Last post by mirac_han
Sun Jul 13, 2014 12:22 pm
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rear seal wash in normal phase
by RALS » Fri Jul 11, 2014 12:55 pm
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2
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6454
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Last post by uzman
Fri Jul 11, 2014 6:46 pm
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Chemstation aborts after injection
by sabouelm » Mon Jul 07, 2014 10:16 pm
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2
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3457
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Last post by djacqo
Fri Jul 11, 2014 3:56 pm
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Ion pairing
by shadow » Wed Jul 09, 2014 2:06 pm
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6
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3933
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Last post by Consumer Products Guy
Fri Jul 11, 2014 3:10 pm
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Peak Fronting (Co elution) Troubleshooting
by NO89 » Thu Jul 03, 2014 7:42 am
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22
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10905
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Last post by danko
Fri Jul 11, 2014 9:51 am
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Unknown peak from ammonium sulfate at 260 wavelength
by hahe0104 » Thu Jul 10, 2014 7:31 pm
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2
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3454
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Last post by Gerhard Kratz
Fri Jul 11, 2014 8:33 am
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Inconsistency in Preparative HPLC
by pancaker » Thu Jul 10, 2014 5:51 pm
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4
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3096
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Last post by pancaker
Fri Jul 11, 2014 2:08 am
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Waters 2695 with RID - recommended start up procedures
by LCar » Thu Jul 10, 2014 2:35 pm
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1
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2269
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Last post by DR
Thu Jul 10, 2014 5:04 pm
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HPLC determination of trace acrylamide in food
by qazwsx52 » Tue Jul 08, 2014 10:10 pm
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1
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2461
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Last post by Gerhard Kratz
Thu Jul 10, 2014 1:17 pm
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Bismuth 3+ by HPLC
by MestizoJoe » Tue Jul 08, 2014 8:29 pm
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1
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2564
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Last post by DR
Wed Jul 09, 2014 8:04 pm
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peak naming
by jayroseville58 » Sat Apr 12, 2014 7:05 pm
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6
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2919
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Last post by jayroseville58
Tue Jul 08, 2014 6:20 am
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L1 Column
by jayroseville58 » Sun Jul 06, 2014 9:59 am
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4
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8059
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Last post by jayroseville58
Tue Jul 08, 2014 6:19 am
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Comparing two herb samples using HPLC chromatography
by zuiko3000 » Wed Jul 02, 2014 2:30 pm
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3
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3208
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Last post by zuiko3000
Mon Jul 07, 2014 2:36 pm
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UPLC from four vendors Waters Agilent Thermo(Dionex) Shimazu
by susiedai » Thu Nov 14, 2013 8:13 pm
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15
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11966
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Last post by Csaba
Mon Jul 07, 2014 9:08 am
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Can one sonicate an entire column?
by maisymouser » Sat Jul 05, 2014 4:58 pm
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4
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11020
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Last post by maisymouser
Mon Jul 07, 2014 1:41 pm
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HPLC Method for 2 Pyridone
by paggudegr8 » Thu Jul 03, 2014 8:03 am
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1
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3044
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Last post by mattmullaney
Sat Jul 05, 2014 12:09 am
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HPLC Peak Tailing
by amithg3 » Fri Jun 06, 2014 12:27 pm
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9
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5377
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Last post by tom jupille
Thu Jul 03, 2014 5:27 pm
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sp 8800
by Schneerer » Thu Jul 03, 2014 3:30 pm
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1
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7590
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Last post by Gerhard Kratz
Mon Jul 07, 2014 1:55 pm
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Calculating the Stock Solution Concentration for a Surrogate
by Diophineae » Wed Jun 25, 2014 11:56 pm
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1
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2526
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Last post by danko
Thu Jul 03, 2014 11:05 am
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Degassing hexane
by riya » Sun Jun 01, 2014 5:36 am
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18
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9306
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Last post by Klaus I.
Thu Jul 03, 2014 4:37 am
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Who has a Kromasil 100-C4 (150 x 4.6 mm, 3.5 µm)?
by LCFan » Wed Jul 02, 2014 3:56 pm
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0
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3084
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Last post by LCFan
Wed Jul 02, 2014 3:56 pm
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salicylic acid raw material USP grade testing
by kka626 » Mon Jun 30, 2014 5:07 pm
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3
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4633
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Last post by Consumer Products Guy
Wed Jul 02, 2014 3:34 pm
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Mass Balance
by rojitea » Fri Jun 27, 2014 7:20 am
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7
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5693
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Last post by DR
Tue Jul 01, 2014 1:09 pm
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Rsing Baseline in UHPLC
by Wellyana » Tue Jul 01, 2014 10:01 am
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1
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2511
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Last post by danko
Tue Jul 01, 2014 12:36 pm
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Food Analysis
by rojitea » Tue Jul 01, 2014 8:06 am
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2
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5463
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Last post by Don Shelly
Tue Jul 08, 2014 2:48 pm
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β-cyclodextrin removal
by gnikol21 » Mon Jun 30, 2014 11:34 am
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1
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2391
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Last post by tom jupille
Mon Jun 30, 2014 2:50 pm
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Agilent CAN cable
by Uros » Fri Jun 27, 2014 11:24 am
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1
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4079
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Last post by pantos
Fri Jun 27, 2014 1:30 pm
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Instrument Method for automatic AA derivatization
by thhdk » Thu Jun 26, 2014 4:10 pm
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2
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3595
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Last post by ACrawshaw
Fri Jun 27, 2014 12:43 pm
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Amide vs Amine
by carol » Tue Jun 24, 2014 8:20 am
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6
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4754
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Last post by Karen01
Fri Jun 27, 2014 1:43 am
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LogP by HPLC
by Broesen1 » Tue Jun 24, 2014 5:53 pm
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2
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4249
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Last post by bunnahabhain
Wed Jun 25, 2014 8:17 am
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baseline downshift
by jiangds06 » Mon Jun 23, 2014 1:56 pm
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3
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2634
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Last post by skunked_once
Tue Jun 24, 2014 2:22 pm
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Residual Tetrabutylammonium detection by LC
by monty23 » Mon Jun 23, 2014 4:00 pm
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4
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2438
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Last post by monty23
Mon Jun 23, 2014 5:30 pm
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Need of used HPLC Column
by MIP » Sun Jun 22, 2014 3:35 pm
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2
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2221
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Last post by Gerhard Kratz
Mon Jun 23, 2014 8:58 am
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Carryover problem
by digvijaysinh » Sun Jun 22, 2014 7:28 am
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1
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2712
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Last post by Gerhard Kratz
Mon Jun 23, 2014 8:53 am
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Memory effect
by LCFan » Fri Jun 13, 2014 8:31 am
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11
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4843
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Last post by danko
Thu Jun 19, 2014 9:41 am
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short life of bead packing on ZIC-HILIC and ZIC-cHILIC
by carlo.annaratone » Wed Apr 30, 2014 9:00 am
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14
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10070
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Last post by richiekichi
Wed Jun 18, 2014 6:28 am
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LOQ requirement
by porens » Sat Jun 14, 2014 6:44 am
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5
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4613
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Last post by tom jupille
Tue Jun 17, 2014 6:20 pm
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Concentrating aliquots from preparative HPLC captured sample
by IdiotFool » Tue Jun 17, 2014 3:44 pm
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6
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7105
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Last post by Don Shelly
Sat Jun 28, 2014 8:02 pm
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No Peak
by A.Fadel » Sun Jun 15, 2014 11:10 am
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4
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3410
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Last post by A.Fadel
Tue Jun 17, 2014 10:44 am
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pH Gradient Mobile phases on a UPLC column
by ajey » Sat Jun 14, 2014 11:14 am
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1
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4280
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Last post by Hollow
Sat Jun 14, 2014 12:31 pm
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Noise measurement for s/n to meet GMP
by Rob Burgess » Fri Jun 13, 2014 11:03 am
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1
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2883
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Last post by mattmullaney
Fri Jun 13, 2014 11:30 pm
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