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Using HILIC to combine systems?
by H2Oh » Wed Aug 10, 2011 7:37 pm
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5
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1762
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Last post by Klaus I.
Fri Aug 12, 2011 5:46 pm
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polar analyte and urine interference HPLC separation
by Edde » Sun Aug 07, 2011 1:46 pm
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6
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2385
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Last post by Edde
Fri Aug 12, 2011 1:01 am
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UPLC error message
by cliff » Fri Aug 05, 2011 4:56 pm
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3
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3736
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Last post by bmo37
Thu Aug 11, 2011 11:33 pm
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0.1% HCOOH, 0.01% TFA, counterion question
by DJ » Thu Aug 11, 2011 1:29 am
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3
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2027
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Last post by HW Mueller
Thu Aug 11, 2011 8:28 am
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Waters Xevo TQD, Agilent 6430 and 6460 are comparable?
by rodrigaoman » Wed Aug 10, 2011 1:15 am
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4
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4035
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Last post by lperelman
Thu Aug 11, 2011 10:08 pm
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How to calculate the unknown concentration
by gopendrasinghh » Mon Aug 08, 2011 10:41 am
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3
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8156
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Last post by tom jupille
Tue Aug 09, 2011 3:50 pm
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Cleaning validation method by HPLC
by Murugan Saravanan » Mon Aug 08, 2011 1:42 pm
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3
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2117
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Last post by Antje_Traub
Tue Aug 09, 2011 12:37 pm
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Analysis of saccharides in fruit juices
by Adhi92 » Mon Aug 08, 2011 4:26 pm
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2
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1956
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Last post by Ken Tseng
Tue Aug 09, 2011 12:19 pm
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tailing of sugar compounds
by hajdaei » Mon Aug 08, 2011 9:36 pm
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2
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1487
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Last post by hajdaei
Tue Aug 09, 2011 5:52 am
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Baseline noise at Less than 220nm
by roslin » Mon Aug 08, 2011 2:00 pm
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2
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1357
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Last post by skunked_once
Mon Aug 08, 2011 7:22 pm
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cleaning method for nonionic surfactant with derivatization
by parsely10 » Wed Aug 03, 2011 4:18 am
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2
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1352
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Last post by parsely10
Mon Aug 08, 2011 6:01 pm
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Separation of ethanolamine and degradation products
by grégoire » Thu Aug 04, 2011 12:46 pm
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3
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2154
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Last post by Bintang
Mon Aug 08, 2011 12:32 pm
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Simple question about response factor
by Perreman » Fri Aug 05, 2011 6:54 am
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3
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1588
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Last post by lmh
Mon Aug 08, 2011 9:14 am
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Maximum injection on HPLC column?
by Josh85 » Mon Jun 08, 2009 1:07 pm
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10
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14030
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Last post by Karen01
Sun Aug 07, 2011 12:50 am
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Replace Octanesulfonic acid as mobile phase
by kyyk » Thu Aug 04, 2011 7:00 am
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6
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3722
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Last post by kyyk
Sat Aug 06, 2011 1:22 am
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ceteth 20
by scio2 » Thu Aug 04, 2011 10:32 pm
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1
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1774
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Last post by Consumer Products Guy
Fri Aug 05, 2011 9:39 pm
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Filters
by fpcwsr » Fri Aug 05, 2011 7:23 pm
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0
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1381
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Last post by fpcwsr
Fri Aug 05, 2011 7:23 pm
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Unknown, suspected contamination problem in HPLC
by Edde » Thu Aug 04, 2011 2:54 am
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8
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2403
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Last post by Edde
Fri Aug 05, 2011 3:51 pm
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how to detect formic acid and/or formaldehyde?
by eooxx » Wed Jan 26, 2011 7:42 pm
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9
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5021
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Last post by Tom Waeghe
Fri Aug 05, 2011 2:38 pm
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Peak Split for Stavudine
by vvreddy » Fri Aug 05, 2011 6:39 am
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4
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1544
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Last post by Peter Apps
Fri Aug 05, 2011 2:00 pm
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Milnacipran enantioseparation
by vvreddy » Fri Aug 05, 2011 11:48 am
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0
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1358
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Last post by vvreddy
Fri Aug 05, 2011 11:48 am
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pKa same as your pH of mobile phase?
by ldcarthy » Thu Aug 04, 2011 8:50 am
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4
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1599
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Last post by HW Mueller
Fri Aug 05, 2011 9:39 am
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Best way to quantitate low levels of Formic Acid
by Karen01 » Thu Aug 04, 2011 2:01 pm
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2
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1511
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Last post by Consumer Products Guy
Thu Aug 04, 2011 10:05 pm
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Unidentified peak in RI detector
by nzo514 » Wed Aug 03, 2011 2:14 pm
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2
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1642
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Last post by Chromatographer2010
Thu Aug 04, 2011 5:10 pm
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Perplexing HPLC issue - area of analyte peaks halved
by hplctroubleshooting » Mon Jul 18, 2011 4:04 pm
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9
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4084
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Last post by Chromatographer2010
Thu Aug 04, 2011 4:58 pm
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C18 column query
by cherry140784 » Wed Aug 03, 2011 5:39 am
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2
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1881
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Last post by H.Thomas
Thu Aug 04, 2011 9:19 am
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Stability Indicating Assay
by sarasst » Wed Aug 03, 2011 10:39 pm
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1
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1632
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Last post by tom jupille
Thu Aug 04, 2011 7:48 am
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USP system suitability criteria
by gtma » Thu Apr 28, 2011 4:56 pm
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11
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12081
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Last post by adeerre
Thu Aug 04, 2011 1:48 am
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HPLC acetaminophen tablets assay
by adeerre » Wed Aug 03, 2011 11:28 pm
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2
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2024
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Last post by adeerre
Thu Aug 04, 2011 1:38 am
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peak in blank in HPLC-CAD separation
by meadowlane » Wed Aug 03, 2011 8:14 pm
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1
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1947
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Last post by sepscientologist
Wed Aug 03, 2011 9:55 pm
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Calculation using Relative response factor and molecular wt.
by abheenaik » Mon Aug 01, 2011 6:11 pm
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5
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4831
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Last post by Murugan Saravanan
Wed Aug 03, 2011 1:38 pm
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CAD flow
by tshabos » Wed Aug 03, 2011 12:42 pm
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0
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1832
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Last post by tshabos
Wed Aug 03, 2011 12:42 pm
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Suggestions on 'scout gradient' and solvents for organic lab
by seravitae » Mon Aug 01, 2011 4:49 am
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5
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1770
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Last post by seravitae
Wed Aug 03, 2011 8:08 am
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HPLC with electrochemical detector
by sofiane » Tue Jul 26, 2011 6:15 pm
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1
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2112
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Last post by Markus Laeubli, Metrohm
Wed Aug 03, 2011 7:14 am
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unexpected area increase in hplc
by ramvaka » Tue Aug 02, 2011 2:23 am
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4
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1971
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Last post by tom jupille
Tue Aug 02, 2011 8:47 pm
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Effect of flow rate on peak area
by chandra6 » Tue Aug 02, 2011 6:55 pm
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1
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1404
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Last post by DR
Tue Aug 02, 2011 8:06 pm
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Empower software issue?
by rdpowell » Tue Aug 02, 2011 7:55 pm
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14
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8419
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Last post by rdpowell
Fri Aug 05, 2011 7:17 pm
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vitamin D on LC TQ-MS?
by maria scjut » Fri Jul 29, 2011 5:15 pm
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2
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1295
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Last post by maria scjut
Tue Aug 02, 2011 3:41 pm
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Partisphere C-18 HPLC column shortage?
by raza bal » Tue Aug 02, 2011 1:54 pm
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0
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1157
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Last post by raza bal
Tue Aug 02, 2011 1:54 pm
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Instrument method stop?
by rdpowell » Thu Jul 28, 2011 4:18 pm
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6
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1672
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Last post by rdpowell
Tue Aug 02, 2011 1:46 pm
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Can anyone offer me a method for cefixime?
by pecurie » Sat Jul 30, 2011 3:48 pm
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3
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1175
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Last post by Murugan Saravanan
Tue Aug 02, 2011 11:52 am
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How Calculate Total impuriteis?
by Parham » Mon Aug 01, 2011 5:27 am
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3
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1290
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Last post by DSP007
Tue Aug 02, 2011 6:15 am
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Methylparben USP34
by GCHanf » Mon Aug 01, 2011 3:09 pm
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3
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1322
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Last post by DSP007
Tue Aug 02, 2011 6:11 am
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Margin of error
by Juan2011 » Mon Aug 01, 2011 2:54 pm
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2
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2404
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Last post by Juan2011
Mon Aug 01, 2011 3:39 pm
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Dirty mobile phase?
by kobie » Wed Jul 20, 2011 4:15 pm
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5
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2070
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Last post by John Lim
Sun Jul 31, 2011 6:25 pm
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solvent peaks elute rather than analyte
by jamie_sfs » Wed Jul 27, 2011 3:35 am
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6
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3838
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Last post by tom jupille
Thu Jul 28, 2011 2:33 pm
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Reagents and Solvents for HPLC
by ahtiram2725 » Wed Jul 27, 2011 7:08 pm
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2
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1778
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Last post by ahtiram2725
Thu Jul 28, 2011 10:09 am
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Regenerate GPC column
by Sazabi » Wed Jul 27, 2011 9:04 pm
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1
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2011
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Last post by Gerhard Kratz
Thu Jul 28, 2011 8:12 am
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Superdex 200 replacement
by superdex » Wed Jul 27, 2011 6:45 am
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2
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2856
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Last post by superdex
Thu Jul 28, 2011 6:51 am
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can I re-use SPE catridge
by jiang295 » Tue Feb 02, 2010 4:12 am
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15
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6805
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Last post by slimshady
Thu Jul 28, 2011 1:20 am
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