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why Dextran is chosen to be material for GPC
by jiang295 » Sat Jan 02, 2010 5:29 am
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5
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1483
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Last post by HW Mueller
Mon Jan 04, 2010 4:33 pm
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Dionex sells expired stock
by PETTISANS » Tue Dec 29, 2009 11:30 pm
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3
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2317
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Last post by bisnettrj2
Mon Jan 04, 2010 4:01 am
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pressure problem in GPC
by jiang295 » Sat Jan 02, 2010 4:32 am
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2
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1271
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Last post by jiang295
Sun Jan 03, 2010 5:17 pm
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preparative GPC of small molecules
by awkonradi » Sun Jan 03, 2010 2:12 am
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2
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2076
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Last post by awkonradi
Sun Jan 03, 2010 5:10 pm
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anyone know peak capacity of sephadex G15
by jiang295 » Sat Jan 02, 2010 6:19 am
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0
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1392
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Last post by jiang295
Sat Jan 02, 2010 6:19 am
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Store ion exchange column
by thohry » Wed Dec 30, 2009 10:05 am
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3
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1977
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Last post by tom jupille
Thu Dec 31, 2009 5:16 pm
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eluotropic strength coefficient of mobile phase??
by rick1112 » Wed Sep 24, 2008 5:42 am
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5
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4047
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Last post by Uwe Neue
Thu Dec 31, 2009 3:37 pm
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Agilent 1200 pump rusting (complaint)
by krystynakk » Wed May 13, 2009 7:22 pm
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5
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3444
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Last post by alwelch
Wed Dec 30, 2009 4:39 pm
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Gradient Pump Validation Problem
by hexa » Fri Jun 19, 2009 3:06 pm
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15
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5082
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Last post by alwelch
Wed Dec 30, 2009 4:32 pm
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HPLC Purchase
by etherc » Mon Dec 28, 2009 4:20 am
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4
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2291
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Last post by bisnettrj2
Wed Dec 30, 2009 2:54 pm
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basic pH can change the pi-pi conjugation system
by praveenpaliwal » Sun Dec 27, 2009 5:28 am
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7
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2921
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Last post by HW Mueller
Tue Dec 29, 2009 8:53 am
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Betacarotene Analysis by HPLC
by chemron » Fri Dec 18, 2009 3:21 am
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17
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6968
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Last post by bisnettrj2
Sun Dec 27, 2009 12:37 am
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Minimum Resolution required for adequate peak integration
by mohan_2008 » Sat Dec 26, 2009 4:56 am
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4
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9257
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Last post by krickos
Sat Dec 26, 2009 8:16 pm
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Steroid Separation
by mac » Tue Dec 22, 2009 1:56 pm
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3
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2136
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Last post by JMB
Thu Dec 24, 2009 6:33 pm
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Fermentation Samples - Cleanup?
by HPLC_Help » Mon Dec 21, 2009 12:25 pm
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2
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2135
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Last post by Uwe Neue
Mon Dec 21, 2009 5:36 pm
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.
by TimB » Wed Dec 09, 2009 9:57 pm
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2
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1737
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Last post by MHD
Mon Dec 21, 2009 9:06 am
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an expert on vitamin analyses in food is needed
by rindtr » Sat Dec 19, 2009 6:48 pm
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1
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1735
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Last post by Bruce Hamilton
Sun Dec 20, 2009 12:09 am
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SEC Column Cleaning
by mant0 » Tue Apr 29, 2008 6:31 pm
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7
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7620
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Last post by hplcuser
Fri Dec 18, 2009 10:47 pm
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recovery of proteins on silica size exlusion is low..
by alicee! » Fri Aug 08, 2008 3:20 am
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1
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1943
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Last post by hplcuser
Fri Dec 18, 2009 10:46 pm
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size exclusn..hw to reduce tailing.. proteins..silica matrix
by alicee! » Thu Aug 07, 2008 6:53 am
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13
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4406
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Last post by hplcuser
Fri Dec 18, 2009 10:45 pm
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typical protein loading amount for analyical sec column
by alicee! » Sat Aug 15, 2009 6:30 am
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2
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3000
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Last post by hplcuser
Fri Dec 18, 2009 10:43 pm
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Best prep columns
by mk12 » Tue Aug 25, 2009 5:28 pm
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25
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9048
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Last post by hplcuser
Fri Dec 18, 2009 10:42 pm
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Acetonitrile Shortage
by nellermann » Fri Oct 17, 2008 4:01 pm
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124
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53360
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Last post by hplcuser
Fri Dec 18, 2009 10:34 pm
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15% off on a 18cm x 90cm Column
by elscolumns » Fri Dec 18, 2009 6:30 pm
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3
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6121
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Last post by elscolumns
Mon Dec 21, 2009 2:18 pm
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Ion exchange w/ELSD
by dkollmorgen » Wed Dec 16, 2009 10:33 pm
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8
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3326
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Last post by Vlad Orlovsky
Thu Dec 17, 2009 9:13 pm
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Linearity of impurities!
by koko » Tue Dec 15, 2009 5:04 pm
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2
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2116
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Last post by koko
Thu Dec 17, 2009 7:58 pm
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DIONEX GP50 PUMP PROBLEM
by danicrd » Wed Dec 16, 2009 3:44 pm
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2
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2052
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Last post by danicrd
Thu Dec 17, 2009 2:32 pm
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HPLC analysis of selectfluor
by praveenpaliwal » Tue Dec 15, 2009 4:23 pm
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4
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2411
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Last post by Vlad Orlovsky
Wed Dec 16, 2009 9:18 pm
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Dionex ISC 3000
by lab tech » Thu Dec 10, 2009 9:32 pm
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5
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2703
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Last post by lab tech
Tue Dec 15, 2009 10:11 pm
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Pre fractionization- CHCl3/MeOH, phenol
by DJ » Mon Dec 14, 2009 7:06 pm
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2
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1856
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Last post by kerri
Tue Dec 15, 2009 9:32 pm
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Getting rid of artifact on PLRP
by DJ » Sat Dec 12, 2009 8:48 am
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11
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3165
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Last post by Uwe Neue
Tue Dec 15, 2009 5:55 pm
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Sugars, Organic Acids, Alcohols
by HPLC_Help » Thu Dec 03, 2009 6:43 pm
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8
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2535
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Last post by HPLC_Help
Tue Dec 15, 2009 1:42 pm
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Perfluorinated carboxylic acid ion-pairing agent (TFA, HFBA)
by seamoro » Fri Dec 11, 2009 10:04 am
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1
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1930
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Last post by Kostas Petritis
Tue Dec 15, 2009 1:07 am
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alternative way to column chromatography ???
by py » Mon Dec 14, 2009 2:34 pm
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0
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2224
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Last post by py
Mon Dec 14, 2009 2:34 pm
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help with Flash or Column Chromatography (instead of HPLC)
by PureMP » Tue Dec 08, 2009 6:09 pm
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2
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2417
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Last post by mbreslav
Sun Dec 13, 2009 3:16 am
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Internal standards and standard addition calculations.
by lauriesch » Fri Dec 11, 2009 8:31 pm
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2
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4524
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Last post by Consumer Products Guy
Sat Dec 12, 2009 4:05 pm
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Inert syringe needles
by Bricevan » Thu Dec 10, 2009 7:15 pm
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6
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3094
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Last post by HW Mueller
Fri Dec 11, 2009 10:36 pm
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Sulfuric acid in mobile phase with ELSD?
by avitan » Fri Dec 11, 2009 1:50 pm
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2
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2644
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Last post by JGK
Fri Dec 11, 2009 5:02 pm
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BP question...changing a BP method
by seamoro » Fri Dec 11, 2009 11:31 am
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1
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1685
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Last post by tom jupille
Fri Dec 11, 2009 4:35 pm
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Method for analysing terminal alkyne precursor???
by chromeleon » Mon Dec 07, 2009 12:52 pm
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4
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1649
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Last post by chromeleon
Fri Dec 11, 2009 10:31 am
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DNPH Supply in the UK
by akd » Thu Dec 10, 2009 3:59 pm
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3
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1412
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Last post by Bruce Hamilton
Thu Dec 10, 2009 11:14 pm
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Plate count Question?
by seamoro » Thu Dec 10, 2009 2:50 pm
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2
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2018
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Last post by krickos
Thu Dec 10, 2009 9:19 pm
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Maximum volume that can be injected for semi-prep
by zvi » Wed Dec 09, 2009 6:32 pm
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6
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2556
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Last post by tom jupille
Thu Dec 10, 2009 6:40 pm
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Weird baseline dips from gradient - Acquity TUV: anyone else
by Rob Burgess » Tue Mar 17, 2009 4:54 pm
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4
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2303
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Last post by Rob Burgess
Thu Dec 10, 2009 12:22 pm
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USP Plate Count
by Jay Naidoo » Wed Dec 09, 2009 8:46 am
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1
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5876
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Last post by tom jupille
Wed Dec 09, 2009 6:44 pm
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no MS trace signal on LC/MS (waters ZQ)
by moonchips » Wed Dec 09, 2009 2:25 pm
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3
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2360
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Last post by moonchips
Thu Dec 10, 2009 9:05 pm
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analysis of organic acids
by offroad » Sun Dec 06, 2009 12:17 am
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5
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2114
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Last post by offroad
Wed Dec 09, 2009 11:20 am
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Waters 717 autosampler
by chromeleon » Mon Dec 07, 2009 1:37 pm
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5
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2675
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Last post by juddc
Tue Dec 08, 2009 5:39 pm
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Frequency of pump priming?
by ChromatographyDude » Tue Dec 08, 2009 5:12 am
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1
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1705
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Last post by Consumer Products Guy
Tue Dec 08, 2009 1:44 pm
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Pressure issuee in Agilent HPLC 1100 series
by neo_009 » Mon Dec 07, 2009 1:40 pm
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3
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2465
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Last post by neo_009
Mon Dec 07, 2009 11:30 pm
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