Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 402	402	1507	Last post Re: Setting retention time wi… by Jofichrom Fri Mar 06, 2026 2:33 pm
Capillary Electrophoresis Discussions about CE, MEKC and related topics Topics: 52	52	110	Last post Re: Sudden Unknown Peak Durin… by Multidimensional Fri Aug 01, 2025 3:47 pm
GPC/GFC/SEC Discussions about gel permeation chromatography / gel filtration chromatography / size exclusion chromatography Topics: 120	120	469	Last post Re: High-temp filtration of c… by DR Tue Jan 06, 2026 5:42 pm

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11916 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	84161	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
somebody help recommend me papers on how the silica produced by moon704520 » Fri Mar 14, 2008 4:44 am	1	1727	Last post by Uwe Neue Fri Mar 14, 2008 10:55 pm
ion-pair agents+mass spec by olivia » Thu Mar 06, 2008 2:26 am	10	6136	Last post by Mary Carson Fri Mar 14, 2008 3:01 pm
linear range... not linear by lupetto » Tue Mar 04, 2008 11:04 am	13	3521	Last post by lupetto Thu Mar 13, 2008 10:11 am
Is there user friendly software for AKTA FPLC by Faith » Thu Mar 13, 2008 12:24 am	0	2216	Last post by Faith Thu Mar 13, 2008 12:24 am
what happens inside the pores in a column??? by rick1112 » Sat Feb 23, 2008 7:41 pm	25	5606	Last post by HW Mueller Tue Mar 11, 2008 3:09 pm
"Flow-through-pore diameter by rick1112 » Tue Mar 11, 2008 9:58 am	0	1475	Last post by rick1112 Tue Mar 11, 2008 9:58 am
Loss in Retention Time by Parsival » Mon Mar 03, 2008 10:09 am	9	2640	Last post by seaclimb2001 Mon Mar 10, 2008 9:33 pm
UV max for sodium lauryl sulfate by mk12 » Tue Feb 26, 2008 5:34 am	2	4065	Last post by seaclimb2001 Mon Mar 10, 2008 9:29 pm
Erma 7512 RI detector by AdrianF » Wed Mar 05, 2008 1:53 pm	3	2096	Last post by tom jupille Mon Mar 10, 2008 6:39 pm
Sample recovery by Mburuc » Thu Feb 07, 2008 9:54 am	6	3452	Last post by LCbob Mon Mar 10, 2008 2:46 pm
Polymer columns by rick1112 » Mon Feb 04, 2008 7:48 am	31	7549	Last post by rick1112 Mon Mar 10, 2008 5:27 am
Column load and resolution- peptides and proteins by pipettemonkey » Sun Mar 09, 2008 8:05 pm	1	1749	Last post by Uwe Neue Sun Mar 09, 2008 11:49 pm
SDS - IPC or Micellar mode of separation? by DanielH » Sat Mar 08, 2008 5:13 am	4	1735	Last post by Uwe Neue Sun Mar 09, 2008 11:32 pm
problem to register on forum by banala_b » Sat Mar 01, 2008 4:22 pm	15	3272	Last post by Kostas Petritis Sun Mar 09, 2008 10:49 pm
Gradient performance tests by carnie » Thu Mar 06, 2008 11:06 am	1	1450	Last post by danko Fri Mar 07, 2008 5:29 pm
Forced sample degradation in method validation by cygg168 » Thu Mar 06, 2008 10:15 pm	2	1872	Last post by cygg168 Fri Mar 07, 2008 4:52 pm
How to purify basic peptide by proteinpeptide » Thu Mar 06, 2008 8:13 pm	4	1794	Last post by proteinpeptide Fri Mar 07, 2008 4:06 pm
Promethazine+adiphenine+dipyrone method by XiZ » Thu Jan 03, 2008 1:58 am	1	1684	Last post by XiZ Fri Mar 07, 2008 3:03 am
LC impurity analysis: filtration versus centrifugation by mojo » Thu Mar 06, 2008 9:32 am	1	1539	Last post by carnie Thu Mar 06, 2008 11:14 am
Agilent 1050 Service Manual Volume #1 by Consumer Products Guy » Thu Mar 06, 2008 12:46 am	2	1842	Last post by Consumer Products Guy Thu Mar 06, 2008 10:49 am
Working in column limits by rick1112 » Wed Mar 05, 2008 11:48 am	2	1650	Last post by Uwe Neue Wed Mar 05, 2008 11:18 pm
UPLC and Agilent 1200 by chemist91 » Tue Mar 04, 2008 7:03 pm	8	3682	Last post by chemist91 Wed Mar 05, 2008 4:06 pm
Column recondition by yzhen77 » Tue Jan 22, 2008 10:49 am	4	2486	Last post by danko Wed Mar 05, 2008 3:39 pm
RP column selectivity papers/charts by stanlee » Tue Mar 04, 2008 3:39 pm	2	2110	Last post by stanlee Wed Mar 05, 2008 8:21 am
Maximum temperature - Symmetry C18 by scanter » Mon Mar 03, 2008 4:04 pm	3	3653	Last post by scanter Tue Mar 04, 2008 12:18 pm
UI-20 A/D box Specifications for Dx-120 by sandy1977 » Wed Jan 30, 2008 5:14 pm	2	2249	Last post by John Lim Tue Mar 04, 2008 4:32 am
coloumn maintenance by dani nurmawan » Mon Mar 03, 2008 12:23 pm	1	1753	Last post by JGK Mon Mar 03, 2008 1:20 pm
USP monograph verification by broncos » Fri Feb 22, 2008 3:51 pm	2	2437	Last post by danko Mon Mar 03, 2008 8:31 am
high pH mobile phase (RP-HPLC) by rick1112 » Wed Feb 13, 2008 11:31 am	22	7044	Last post by danko Sun Mar 02, 2008 11:23 am
please help me chose the chromatographic conditions! by bily200677 » Sat Feb 23, 2008 1:40 am	12	3277	Last post by Einar Ponten Fri Feb 29, 2008 10:12 pm
Guard column dimensions by Martin L » Fri Feb 29, 2008 8:49 am	4	2354	Last post by Uwe Neue Fri Feb 29, 2008 3:02 pm
Restoring Columns by XiZ » Fri Feb 29, 2008 7:12 am	2	1793	Last post by JGK Fri Feb 29, 2008 1:07 pm
Five injections of standard by Consumer Products Guy » Wed Feb 27, 2008 12:49 am	9	10715	Last post by Bruce Hamilton Thu Feb 28, 2008 8:56 pm
Re-use of C18 stationary phase by jawad » Tue Feb 26, 2008 4:36 am	4	3092	Last post by sfe-co2 Thu Feb 28, 2008 10:45 am
Peak from water at 210 nm by carnie » Wed Feb 27, 2008 12:35 am	4	2918	Last post by carnie Thu Feb 28, 2008 8:03 am
Freeware pKa prediction software by sfe-co2 » Sun Feb 17, 2008 4:29 am	3	5873	Last post by bily200677 Thu Feb 28, 2008 4:41 am
estimation of pKa by RAMESH JANGA » Tue Feb 26, 2008 5:17 am	1	1806	Last post by AdrianF Wed Feb 27, 2008 3:57 pm
Filters to separate gelatin from insulin by banala_b » Thu Feb 07, 2008 2:52 am	11	4527	Last post by Bryan Evans Wed Feb 27, 2008 2:12 pm
Analysis of Metiram or Polyram by HPLC by praveenpaliwal » Tue Feb 26, 2008 6:25 pm	1	3114	Last post by chayyl Wed Feb 27, 2008 6:14 am
Area % method by mk12 » Tue Feb 26, 2008 10:43 pm	2	1921	Last post by carnie Wed Feb 27, 2008 12:40 am
Double void peak for water?? by greenhuntress » Tue Feb 26, 2008 5:21 pm	4	2421	Last post by greenhuntress Tue Feb 26, 2008 11:18 pm
Baseline flactuations using Ion Pairing Reagent by Omar » Mon Feb 25, 2008 6:21 am	13	4800	Last post by unmgvar Mon Feb 25, 2008 8:26 pm
Conversion factor by mk12 » Mon Feb 25, 2008 6:50 pm	1	2951	Last post by JGK Mon Feb 25, 2008 7:19 pm
analytical method validation by RAMESH JANGA » Mon Feb 25, 2008 5:55 am	1	1960	Last post by shaun78 Mon Feb 25, 2008 5:32 pm
1100 Agilent system, baseline drop problem by markreyes » Thu Feb 14, 2008 10:31 pm	6	2872	Last post by unmgvar Sat Feb 23, 2008 4:24 pm
Choice of detectors by resolve » Mon Feb 11, 2008 8:51 pm	5	2735	Last post by Kostas Petritis Sat Feb 23, 2008 12:47 am
ELSD detector by rick1112 » Thu Feb 07, 2008 8:39 am	20	11951	Last post by Kostas Petritis Sat Feb 23, 2008 12:44 am
Best way to test column efficiency for new columns by LCGUY » Mon Feb 18, 2008 9:02 am	9	4788	Last post by HUH? Fri Feb 22, 2008 9:35 pm
Pressure buildup in all chiral columns by Isa » Wed Feb 20, 2008 2:50 pm	7	2953	Last post by lupetto Fri Feb 22, 2008 5:00 pm
Ammonia analysis baseline problem by randy » Tue Feb 12, 2008 4:39 pm	2	2153	Last post by randy Thu Feb 21, 2008 9:59 pm

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