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Column comparison tool
by lcrandall » Thu Oct 30, 2008 3:19 pm
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3
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1853
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Last post by lcrandall
Thu Oct 30, 2008 4:53 pm
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Recovery in validation
by zhengmin » Tue Oct 28, 2008 4:39 am
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5
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1991
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Last post by aceto_81
Thu Oct 30, 2008 9:13 am
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Is formic acid to corrosive for my HPLC system?
by Anna01 » Wed Oct 29, 2008 10:32 pm
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1
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1464
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Last post by Kostas Petritis
Wed Oct 29, 2008 10:37 pm
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the capacity factor
by MestizoJoe » Tue Oct 28, 2008 10:00 pm
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5
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2421
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Last post by rhaefe
Wed Oct 29, 2008 3:41 pm
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Check Valves
by goxy43 » Wed Oct 22, 2008 9:16 am
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16
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6270
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Last post by laserman
Wed Oct 29, 2008 12:49 am
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Zirchrom Columns
by hajdaei » Mon Oct 27, 2008 5:10 pm
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2
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1730
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Last post by mbicking
Tue Oct 28, 2008 10:43 pm
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report setup in chemstation
by cooky » Tue Oct 28, 2008 6:28 pm
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2
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1575
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Last post by zokitano
Tue Oct 28, 2008 7:26 pm
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Benzalkonium chloride interaction with pharmaceuticals
by paroma » Fri Oct 17, 2008 7:24 am
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10
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6066
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Last post by paroma
Tue Oct 28, 2008 1:00 pm
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Robustness for gradients
by michaelcarolus » Mon Oct 20, 2008 5:50 am
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4
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1991
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Last post by michaelcarolus
Tue Oct 28, 2008 7:30 am
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hplc method validation
by Peter H » Wed May 28, 2008 6:29 am
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4
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2993
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Last post by GChad
Tue Oct 28, 2008 5:46 am
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Removing polymers from the sample
by marina1111 » Fri Oct 24, 2008 12:12 pm
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5
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2110
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Last post by marina1111
Tue Oct 28, 2008 3:51 am
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Robustness
by Santosh Gandhi » Mon Oct 27, 2008 6:14 am
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1
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1554
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Last post by tom jupille
Mon Oct 27, 2008 5:20 pm
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ammonium formate buffer
by Provetech » Mon Oct 27, 2008 8:26 am
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1
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4950
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Last post by zokitano
Mon Oct 27, 2008 11:10 am
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high pressure on quaternary pump Agilent 1200
by krystynakk » Sat Oct 25, 2008 8:10 am
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4
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4296
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Last post by HPLCCONSULT
Sun Oct 26, 2008 10:50 pm
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UPLC - reversing a UPLC column
by michaelcarolus » Wed Oct 08, 2008 6:05 am
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7
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3172
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Last post by mbicking
Sat Oct 25, 2008 12:00 am
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Importance of kPa in determining pH of mobile phase
by CP » Wed Oct 22, 2008 12:44 pm
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7
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3241
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Last post by lmh
Fri Oct 24, 2008 1:47 pm
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pka table values
by coquim » Fri Aug 22, 2008 1:58 pm
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5
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2633
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Last post by Mikael_LEVI
Fri Oct 24, 2008 11:01 am
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Let's talk temperature and HPLC w/ prot/peptides
by pipettemonkey » Tue Oct 21, 2008 12:22 am
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3
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2257
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Last post by mbicking
Fri Oct 24, 2008 1:35 am
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validation of method:drug substance and drug product
by scio2 » Thu Oct 23, 2008 3:11 am
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3
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1546
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Last post by adam
Fri Oct 24, 2008 12:13 am
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Fluctuating pressure
by thohry » Thu Oct 23, 2008 4:59 am
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2
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1827
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Last post by Consumer Products Guy
Thu Oct 23, 2008 6:07 pm
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Stainless frits seized to the end fittings... Help!
by dkreller » Tue Oct 21, 2008 9:22 pm
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3
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1803
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Last post by dkreller
Wed Oct 22, 2008 9:07 pm
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HELP: UV Database Needed
by kanal » Wed Oct 22, 2008 7:38 pm
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1
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1538
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Last post by rhaefe
Wed Oct 22, 2008 8:50 pm
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Silica HIgh Temperature Stability?
by Alireza » Tue Oct 21, 2008 3:58 pm
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6
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1794
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Last post by Uwe Neue
Wed Oct 22, 2008 4:50 pm
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GC carryover
by KRichardson » Wed Oct 22, 2008 10:26 am
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1
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1582
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Last post by krickos
Wed Oct 22, 2008 1:21 pm
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Analyte lost on PL-Sax anion exchange
by pipettemonkey » Tue Oct 21, 2008 12:11 am
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1
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2406
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Last post by goxy43
Wed Oct 22, 2008 11:34 am
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Handling of waste from Radio-HPLC.
by chayyl » Wed Oct 22, 2008 6:21 am
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4
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2977
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Last post by lmh
Wed Oct 22, 2008 11:09 am
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S/N Determination using Empower Software
by Wendy38 » Tue Aug 12, 2008 12:02 pm
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31
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21382
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Last post by Slammy1
Tue Oct 21, 2008 5:23 pm
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How to weigh a higroscopic substance
by inge » Mon Oct 20, 2008 6:48 am
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5
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5937
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Last post by Flappytango
Tue Oct 21, 2008 1:51 pm
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Shifting Retention times/Peak areas
by pgdow2 » Tue Oct 21, 2008 12:14 pm
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2
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1595
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Last post by pgdow2
Tue Oct 21, 2008 1:41 pm
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extraction from petrolatum
by scio2 » Fri Oct 17, 2008 4:12 am
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4
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2413
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Last post by scio2
Mon Oct 20, 2008 11:03 pm
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How to make a peak sharper
by ym3142 » Thu Oct 09, 2008 2:04 pm
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15
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12319
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Last post by AdrianF
Mon Oct 20, 2008 10:33 pm
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Advantages and disadvantages for HILIC columns ....
by JOCAPEN » Wed Oct 01, 2008 1:52 pm
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20
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6757
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Last post by Bryan Evans
Mon Oct 20, 2008 1:12 pm
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particle size as function of acceleration (centrifugation)
by Hollow » Fri Oct 17, 2008 8:50 am
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3
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1899
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Last post by Hollow
Sun Oct 19, 2008 5:15 pm
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sodium pyrosulfite's problem
by Austin » Wed Oct 08, 2008 7:55 am
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1
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1523
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Last post by XL
Sun Oct 19, 2008 3:49 am
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Separation of methoxypropylamine and morpholine...
by IC_Gal » Tue Oct 14, 2008 7:48 pm
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9
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2934
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Last post by maria.rey
Fri Oct 17, 2008 6:04 pm
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IEX or HILIC for peptides - any experience?
by aschultze » Tue Sep 16, 2008 7:47 pm
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20
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4735
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Last post by Kostas Petritis
Fri Oct 17, 2008 4:31 pm
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acrylic acid polymer with GPC
by Koen Hollebekkers » Fri Oct 17, 2008 1:10 pm
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0
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1458
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Last post by Koen Hollebekkers
Fri Oct 17, 2008 1:10 pm
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2-micron and sub 2-micron Ion exchange columns??
by rick1112 » Thu Oct 16, 2008 3:40 am
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3
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1536
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Last post by Noser222
Thu Oct 16, 2008 5:27 pm
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What causes peptides to have longer retention on a C4 vs C18
by pipettemonkey » Wed Oct 15, 2008 1:01 am
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10
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2634
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Last post by Kostas Petritis
Thu Oct 16, 2008 4:08 pm
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Help: HP 1090 with a Waters 410 RI
by dalehramsa » Tue Oct 14, 2008 5:49 pm
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6
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1923
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Last post by Bruce Hamilton
Wed Oct 15, 2008 8:24 pm
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Agilent Column Selection Valve
by bmoritz » Wed Oct 08, 2008 9:04 pm
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4
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2448
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Last post by HPLCCONSULT
Wed Oct 15, 2008 8:20 pm
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More shallow the gradient, the better the resolution?
by pipettemonkey » Fri Oct 10, 2008 5:56 pm
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10
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11102
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Last post by HW Mueller
Wed Oct 15, 2008 1:53 pm
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Choosing the right column, mobile phase for peptide purifica
by pipettemonkey » Wed Oct 15, 2008 1:35 am
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2
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1567
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Last post by pipettemonkey
Wed Oct 15, 2008 2:37 am
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Gentamycin EP analysis
by aceto_81 » Tue Oct 14, 2008 6:18 am
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0
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1375
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Last post by aceto_81
Tue Oct 14, 2008 6:18 am
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high temperature reverse phase column??
by rick1112 » Thu Oct 09, 2008 4:16 am
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8
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2099
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Last post by Kostas Petritis
Mon Oct 13, 2008 4:50 pm
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Pramipexole EP method
by rejxil » Fri Oct 10, 2008 10:27 am
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3
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1829
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Last post by rejxil
Mon Oct 13, 2008 7:12 am
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r.i.p. betty hamilton
by pipettemonkey » Sat Oct 11, 2008 5:14 pm
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3
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1576
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Last post by pipettemonkey
Sun Oct 12, 2008 11:23 pm
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How to get peak-to-valley ratio from Chemstation?
by Terry » Sat Oct 11, 2008 2:37 pm
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0
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2280
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Last post by Terry
Sat Oct 11, 2008 2:37 pm
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Relative Response Definition
by wanda50 » Thu Oct 09, 2008 8:18 pm
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1
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1865
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Last post by Dan
Fri Oct 10, 2008 2:48 am
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IQ OQ PQ obsolete!
by AdrianF » Wed Oct 08, 2008 9:58 pm
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5
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2111
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Last post by JGK
Thu Oct 09, 2008 5:30 pm
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