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0.04%TFA
by Chandresh K. Soni » Fri Aug 17, 2007 7:21 am
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2
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2158
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Last post by Mark Tracy
Fri Aug 17, 2007 6:08 pm
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Trimethyl borate
by praveenpaliwal » Thu Aug 16, 2007 5:32 pm
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1
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1889
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Last post by Mark Tracy
Thu Aug 16, 2007 6:43 pm
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Hplc method for Levetiracetam (antiepileptic drug)
by vijaykhetmalis » Thu Aug 16, 2007 9:56 am
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1
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2066
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Last post by jitender
Thu Aug 16, 2007 12:59 pm
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Kromasil Column
by Chandresh K. Soni » Thu Aug 16, 2007 4:06 am
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2
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1926
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Last post by DR
Thu Aug 16, 2007 12:57 pm
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Column Equilibration with ion pair reagent mobile phase
by prashant.pqa » Thu Aug 16, 2007 4:16 am
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1
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2173
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Last post by Uwe Neue
Thu Aug 16, 2007 4:23 am
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HPLC System Pressure
by Faith » Wed Aug 15, 2007 6:15 am
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5
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4174
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Last post by Bruce Hamilton
Wed Aug 15, 2007 10:39 pm
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Suggestions for normal phase column
by Roxanne42 » Wed Aug 15, 2007 8:12 pm
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4
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2526
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Last post by Bryan Evans
Wed Aug 15, 2007 10:00 pm
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Temperature ramp rate for HPLC column compartment ovens...
by cphelps@smatrix » Tue Aug 14, 2007 10:21 pm
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16
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7003
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Last post by cphelps@smatrix
Wed Aug 15, 2007 9:38 pm
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Detector SN4000 problems
by Rganga » Wed Aug 15, 2007 2:08 pm
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2
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2188
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Last post by DR
Wed Aug 15, 2007 6:34 pm
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Naproxen Sodium Impurities Method---Carryover
by edrigger » Tue Aug 14, 2007 5:19 pm
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9
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3553
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Last post by edrigger
Wed Aug 15, 2007 6:28 pm
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Guard column Question
by juddc » Mon Aug 13, 2007 1:53 pm
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16
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7827
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Last post by juddc
Wed Aug 15, 2007 4:38 pm
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Refrence point & Band width -LC
by LC_Trouble » Fri Aug 10, 2007 9:41 pm
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5
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2446
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Last post by Jumpshooter
Wed Aug 15, 2007 4:30 pm
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Glyphosate
by Blagoje » Thu Jul 26, 2007 7:24 pm
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9
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4466
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Last post by bigdaf
Wed Aug 15, 2007 1:02 pm
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Symmetrical changes in spectrum during Peak elution
by Parsival » Fri Aug 10, 2007 12:41 pm
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5
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2271
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Last post by DR
Wed Aug 15, 2007 12:26 pm
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Precolumn
by Rganga » Mon Aug 13, 2007 11:36 am
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3
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3899
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Last post by Harry Ritchie
Wed Aug 15, 2007 12:12 pm
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pH effect???
by rick1112 » Sun Aug 12, 2007 4:30 am
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4
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2368
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Last post by HW Mueller
Wed Aug 15, 2007 10:27 am
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Derivatization by TEA + methanol
by praveenpaliwal » Tue Aug 14, 2007 6:49 pm
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1
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1763
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Last post by HW Mueller
Wed Aug 15, 2007 10:16 am
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Amperometric or Coulometric EC?
by foren » Mon Jul 30, 2007 7:43 pm
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1
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2459
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Last post by Markus Laeubli, Metrohm
Wed Aug 15, 2007 7:21 am
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high pressure errors - help please
by cmcmahan » Tue Jul 17, 2007 11:22 pm
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3
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2305
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Last post by cmcmahan
Tue Aug 14, 2007 7:53 pm
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Robustness
by syx » Tue Aug 14, 2007 3:08 am
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1
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1874
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Last post by Mattias
Tue Aug 14, 2007 9:16 am
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Carotene analysis/quantification
by ntbhat » Fri Aug 10, 2007 8:47 pm
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3
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2171
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Last post by Mark Tracy
Mon Aug 13, 2007 4:54 pm
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Pico.Tag column?
by rick1112 » Mon Aug 13, 2007 8:19 am
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2
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2178
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Last post by Mark Tracy
Mon Aug 13, 2007 4:27 pm
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Maximum no injection in C8 column?
by rajdeeproy » Fri Aug 10, 2007 1:52 pm
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6
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2562
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Last post by rajdeeproy
Mon Aug 13, 2007 3:11 pm
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chlorogenic and ascorbic acids
by vestelshirley » Mon Aug 13, 2007 1:26 pm
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0
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1839
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Last post by vestelshirley
Mon Aug 13, 2007 1:26 pm
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Increasing retention time for dopamine
by neuroisfun » Fri Aug 10, 2007 5:13 pm
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5
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3310
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Last post by Bryan Evans
Mon Aug 13, 2007 1:01 pm
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Missing peak !!!!! BIG PROBLEM, URGENT
by fantasmagorie » Fri Aug 10, 2007 9:08 am
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8
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5446
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Last post by Bruce Hamilton
Fri Aug 10, 2007 7:51 pm
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Conc of Sodium lauryl sulphate in mobile phase
by prashant.pqa » Fri Aug 10, 2007 7:19 am
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2
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4307
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Last post by juddc
Fri Aug 10, 2007 5:37 pm
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Source of the Organic Solvent
by syx » Fri Aug 10, 2007 1:55 am
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2
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1946
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Last post by Mark Tracy
Fri Aug 10, 2007 5:06 pm
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risedronate sodium HPLC
by bioram » Fri Aug 10, 2007 10:09 am
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1
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2483
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Last post by Mark Tracy
Fri Aug 10, 2007 4:56 pm
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Baseline problems Waters UPLC
by Mattias » Fri Aug 03, 2007 7:12 am
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47
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22046
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Last post by danko
Fri Aug 10, 2007 4:17 pm
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Which is the best of extraction method for bioanalysis??
by aniket » Thu Aug 09, 2007 3:10 am
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5
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3333
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Last post by Uwe Neue
Fri Aug 10, 2007 2:33 pm
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Help! How can I improve sensitivity?
by PMDOC » Wed Aug 01, 2007 11:01 am
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34
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10878
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Last post by Uwe Neue
Fri Aug 10, 2007 2:07 pm
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HPLC Bottles
by rick1112 » Wed Aug 08, 2007 6:30 am
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8
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7294
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Last post by LCGUY
Fri Aug 10, 2007 9:01 am
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Problems with Polysorbate
by Bobbus » Wed Aug 08, 2007 4:42 pm
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3
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2319
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Last post by g_wallace
Thu Aug 09, 2007 7:36 pm
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Carbohydrates with a DAD
by IsotopeC14 » Mon Aug 06, 2007 4:55 pm
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13
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5307
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Last post by Mark Tracy
Thu Aug 09, 2007 6:37 pm
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Help for start conditions
by revere_ir » Wed Aug 08, 2007 7:50 pm
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2
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2184
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Last post by Mark Tracy
Thu Aug 09, 2007 5:23 pm
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about mobile buffer concentration
by moon704520 » Wed Aug 08, 2007 7:09 am
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3
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2155
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Last post by Jackus
Wed Aug 08, 2007 11:57 am
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column collapsed, please help
by Rganga » Mon Aug 06, 2007 12:56 pm
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5
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2778
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Last post by Rganga
Wed Aug 08, 2007 11:43 am
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TFA salt peptide
by littlewenwen » Mon Aug 06, 2007 9:22 pm
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7
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5500
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Last post by littlewenwen
Tue Aug 07, 2007 9:03 pm
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A request to those posting questions or problems
by juddc » Fri Jul 27, 2007 1:29 pm
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6
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2645
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Last post by tom jupille
Tue Aug 07, 2007 7:59 pm
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Tetrahydrofuran compatibility
by rick1112 » Mon Jul 16, 2007 9:38 am
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7
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7679
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Last post by Mark Tracy
Tue Aug 07, 2007 4:32 pm
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Resolution
by syx » Tue Aug 07, 2007 6:04 am
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2
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2302
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Last post by tom jupille
Tue Aug 07, 2007 2:57 pm
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Chiral separation of Dexibuprofen from Ibuprofen.
by LCGUY » Tue Jul 31, 2007 9:27 am
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4
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4689
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Last post by SIELC_Tech
Tue Aug 07, 2007 2:24 am
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Frankenstein HPLC
by wrighty » Fri Aug 03, 2007 9:28 am
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10
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4398
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Last post by promochrom
Tue Aug 07, 2007 12:36 am
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Minimum BSA to add to fractions to minimize loss upon drying
by pipettemonkey » Thu Aug 02, 2007 12:24 am
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1
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2133
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Last post by Jumpshooter
Mon Aug 06, 2007 9:32 pm
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Carprofen Analysis
by Diego » Mon Aug 06, 2007 1:12 pm
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3
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2193
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Last post by Bruce Hamilton
Mon Aug 06, 2007 8:30 pm
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Mobile phase expiry date
by michaelcarolus » Fri Aug 03, 2007 1:27 pm
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2
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2957
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Last post by Sunjay
Mon Aug 06, 2007 11:38 am
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precautions to take working with a buffered mobile phase
by clairette31 » Sat Aug 04, 2007 9:55 am
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3
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2416
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Last post by Bruce Hamilton
Sat Aug 04, 2007 8:02 pm
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1 molecule that appears in two really distinct fractions !
by clairette31 » Wed Aug 01, 2007 8:32 am
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9
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3096
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Last post by clairette31
Sat Aug 04, 2007 9:44 am
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Gradient Help---ASAP
by LC_Trouble » Wed Aug 01, 2007 12:51 am
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9
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3387
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Last post by danko
Fri Aug 03, 2007 11:21 pm
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