Liquid Chromatography

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11906 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	64306	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
trouble using dual detection mode of Waters 2487 detector by pri6886 » Fri Nov 26, 2010 1:30 am	1	1613	Last post by remesquaddie Mon Jul 11, 2011 8:30 pm
Dionex Pump Problem by lgchrom » Fri Dec 10, 2010 10:38 pm	1	1718	Last post by remesquaddie Mon Jul 11, 2011 8:25 pm
Waters Lambda-Max 481 autozero by herbmaker » Tue Jun 21, 2011 9:07 pm	1	6046	Last post by remesquaddie Mon Jul 11, 2011 8:08 pm
Agilent 1260 A lemon? by tbone » Sat Jun 04, 2011 1:48 pm	7	4424	Last post by HPLC algae chick Mon Jul 11, 2011 2:59 pm
high pressure and pressure fluctuations by haverickm1 » Mon Jul 11, 2011 4:43 am	1	1412	Last post by Gerhard Kratz Mon Jul 11, 2011 7:14 am
agilent 1200 elsd detector by mirac_han » Fri Jul 08, 2011 8:34 am	2	1684	Last post by JGK Fri Jul 08, 2011 7:36 pm
Pore size effect on elution by DaveM » Fri Jul 08, 2011 8:41 am	2	2177	Last post by Hollow Fri Jul 08, 2011 5:58 pm
A black line across my developed TLC plat by Felic » Wed May 25, 2011 2:03 pm	18	3599	Last post by HW Mueller Fri Jul 08, 2011 8:38 am
HPLC Mobile phase optimization phase diagram selection by krisradh1432 » Fri Jul 08, 2011 2:41 am	0	1469	Last post by krisradh1432 Fri Jul 08, 2011 2:41 am
Generating Reference Standards by vishall79 » Mon Jul 04, 2011 4:12 pm	3	1318	Last post by Blazer Thu Jul 07, 2011 9:37 pm
Connecting Jasco RI Detector via HP 35900e to Agilent 1100 by zurofft » Thu Jul 07, 2011 3:21 am	2	1602	Last post by sepscientologist Thu Jul 07, 2011 5:37 pm
Experience with Hitachi HPLC Equipment by Ananthy Maheson » Mon Jun 27, 2011 12:01 am	3	1494	Last post by unmgvar Thu Jul 07, 2011 4:41 pm
Ghost peak issue by cloudpp » Wed Jul 06, 2011 2:39 pm	2	1360	Last post by tom jupille Thu Jul 07, 2011 1:17 pm
WATERS 2475 Fluorescence detector problem by remesquaddie » Wed Jul 06, 2011 4:56 pm	2	1351	Last post by remesquaddie Wed Jul 06, 2011 8:59 pm
Formic Acid analysis with C18 HPLC column by shahid » Tue Jul 05, 2011 5:58 pm	2	1971	Last post by Lusby43 Wed Jul 06, 2011 6:53 am
G1311A Leak Test Failure by ksharp » Tue Jul 05, 2011 5:35 pm	1	1376	Last post by Consumer Products Guy Wed Jul 06, 2011 4:10 am
Polysulfoethyl vs polycat A @ pH 5 by DJ » Tue Jul 05, 2011 4:59 pm	2	1356	Last post by DJ Wed Jul 06, 2011 2:46 am
Optimizing gradients IEX, by DJ » Tue Jul 05, 2011 4:52 pm	1	1126	Last post by Ting Wu Tue Jul 05, 2011 9:28 pm
Peak brodening in Chiral pak-AD column by vvreddy » Tue Jul 05, 2011 4:15 am	3	1554	Last post by achkata Tue Jul 05, 2011 9:21 pm
Formic Acid analysis with C18 HPLC column by shahid » Tue Jul 05, 2011 5:55 pm	1	1637	Last post by achkata Tue Jul 05, 2011 7:45 pm
CAD flood (charged aerosol detector) by lynzjm » Mon Jul 04, 2011 8:42 am	3	2521	Last post by jpwoods Tue Jul 05, 2011 6:26 pm
detector by miumiu1351 » Fri Jun 24, 2011 3:41 pm	20	2203	Last post by unmgvar Tue Jul 05, 2011 10:10 am
to dry samples? by gvportari » Thu Jun 30, 2011 1:49 am	6	1521	Last post by Peter Apps Tue Jul 05, 2011 7:04 am
Help wrt. separation needed ! by Humad » Sat Jul 02, 2011 9:21 am	5	1413	Last post by unmgvar Mon Jul 04, 2011 6:39 pm
Phosphoric acid giving dirty baseline? by NYYFan » Fri Jul 01, 2011 12:57 pm	2	2391	Last post by tom jupille Mon Jul 04, 2011 3:38 pm
both negative and positive peak in my chrom by julietinmay » Tue Jun 28, 2011 7:30 pm	6	1630	Last post by Markus Laeubli, Metrohm Mon Jul 04, 2011 6:50 am
detector blocked by miumiu1351 » Fri Jun 24, 2011 2:56 pm	8	1330	Last post by unmgvar Sun Jul 03, 2011 7:21 pm
predicting retention in ion exchange hplc by DJ » Tue May 24, 2011 4:56 am	9	2229	Last post by Andy Alpert Sun Jul 03, 2011 3:19 am
Best UHPLC columns by jusuom » Tue Jun 28, 2011 6:44 am	1	1295	Last post by unmgvar Fri Jul 01, 2011 7:35 pm
Vintage Viscotek laser replacement by Nor_Chrom » Fri Jul 01, 2011 6:17 pm	1	1158	Last post by unmgvar Fri Jul 01, 2011 7:28 pm
Bore size of switching valve in Acquity sample manager by sbrand » Fri Jul 01, 2011 1:37 pm	0	1265	Last post by sbrand Fri Jul 01, 2011 1:37 pm
Units of UV abs. peak area in masslynx by grumbledook » Tue Mar 30, 2010 4:52 pm	2	7550	Last post by mspittel Thu Jun 30, 2011 12:06 pm
HP 1050 UV Detector. by dave » Wed Jun 29, 2011 11:34 am	4	1860	Last post by LCbob Thu Jun 30, 2011 7:47 am
My Waters 717plus injector is horribly contaminated! Help! by dkreller » Fri Jun 24, 2011 2:09 pm	6	1737	Last post by Hollow Thu Jun 30, 2011 5:55 am
Method needed for TLC by vishnu » Tue Jun 28, 2011 12:42 pm	8	2190	Last post by tom jupille Thu Jun 30, 2011 2:46 am
Alltech ERIS 1000HP Autosuppressor by Vlad Orlovsky » Wed Jun 29, 2011 8:30 pm	0	1775	Last post by Vlad Orlovsky Wed Jun 29, 2011 8:30 pm
interfacing photon multiplier tube with agilent 1100 system by water quality PhD » Thu Jun 23, 2011 5:41 am	4	1748	Last post by sepscientologist Wed Jun 29, 2011 3:50 pm
Probem with VWD. Please help me! by le duy » Mon May 23, 2011 8:00 am	8	1881	Last post by bisnettrj2 Wed Jun 29, 2011 2:43 pm
Waters,Alliance 2690 by Parham » Thu Jun 23, 2011 10:10 am	2	1681	Last post by greenlab Wed Jun 29, 2011 3:23 am
upgrade of PC for Waters Alliance 2690 by abbidmajid » Mon Jun 27, 2011 2:52 pm	3	1560	Last post by greenlab Wed Jun 29, 2011 3:12 am
Dionex Peaknet Help by lgchrom » Tue Jun 28, 2011 8:59 pm	2	2267	Last post by lgchrom Sun Jul 03, 2011 11:27 am
a peak before DOPAC peak after addition of TEA into MP by novie.ko » Mon Jun 27, 2011 10:21 pm	1	2641	Last post by tom jupille Tue Jun 28, 2011 1:16 pm
HPLC brand by Remus » Fri Jun 24, 2011 9:46 am	13	8066	Last post by Bintang Tue Jun 28, 2011 8:31 am
Interest in Learning Large Molecule Techniques by adam » Mon Jun 27, 2011 5:23 am	1	1374	Last post by tom jupille Mon Jun 27, 2011 8:06 pm
Äkta doesn't communicate by hawulf » Mon Jun 27, 2011 11:51 am	1	1095	Last post by MauriceS Mon Jun 27, 2011 6:28 pm
Sine wave baseline in GC-MS by wangx460 » Mon Jun 27, 2011 4:09 pm	4	2950	Last post by Don_Hilton Thu Jun 30, 2011 2:57 am
GPC columns compatible with Light Scattering Detector by push » Mon Jun 27, 2011 11:58 am	1	1191	Last post by gstaepels Mon Jun 27, 2011 12:26 pm
Seeking HPLC text with good engineering coverage by CJRCL » Sat Jun 25, 2011 10:52 am	1	1267	Last post by tom jupille Sun Jun 26, 2011 2:01 am
Guaiacol and Phenol Separation in HPLC by kellylen1412 » Sat Jun 25, 2011 8:40 am	1	1766	Last post by tom jupille Sun Jun 26, 2011 1:56 am
unspecified impurity treating by stelef » Wed Jun 22, 2011 7:24 pm	4	1731	Last post by stelef Fri Jun 24, 2011 9:17 pm

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