Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 403	403	1508	Last post Large water dip on ICS-6000 by NitroJennAtom Wed Jun 17, 2026 3:20 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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11923 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	125313	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
HPLC and LC-MS Web courses start in February by tom jupille » Tue Jan 06, 2009 5:01 am	0	1558	Last post by tom jupille Tue Jan 06, 2009 5:01 am
Peaks by fxaxrx » Mon Jan 05, 2009 4:32 pm	1	1432	Last post by tom jupille Mon Jan 05, 2009 7:10 pm
interference from placebo by kavita » Fri Dec 26, 2008 7:33 am	11	3884	Last post by Uwe Neue Mon Jan 05, 2009 5:17 pm
Decrease in peak response by Krishnamurthy » Sat Dec 20, 2008 9:24 am	24	4726	Last post by zlb215 Mon Jan 05, 2009 3:23 pm
Pentosan polysuphate sodium GPC analysis by girishjoshi » Fri Jan 02, 2009 9:39 am	2	2554	Last post by Koen Hollebekkers Mon Jan 05, 2009 11:52 am
REG RRF by chrom » Sat Jan 03, 2009 3:15 pm	1	1493	Last post by tom jupille Mon Jan 05, 2009 6:21 am
TFA in Acetonitrile by pipettemonkey » Wed Dec 31, 2008 7:24 pm	10	6336	Last post by Noser222 Sat Jan 03, 2009 5:35 pm
SLS Content in Empty Capsule Shells by vikmurush » Thu Aug 07, 2008 3:34 am	21	4670	Last post by vikmurush Sat Jan 03, 2009 4:28 am
Unretained compound by vikmurush » Fri Dec 26, 2008 9:12 pm	36	6808	Last post by vikmurush Sat Jan 03, 2009 4:14 am
Normal Phase Efficiency Indicators by Douglas Rodenburg » Fri Dec 19, 2008 11:29 pm	3	1756	Last post by tom jupille Sat Jan 03, 2009 12:32 am
Ecochart lichrospher 100: Back pressure by Nour » Fri Dec 19, 2008 11:03 pm	3	2130	Last post by Nour Fri Jan 02, 2009 11:59 am
Help , ghost peak appeared in the blank run! by bily200677 » Tue Dec 30, 2008 1:35 am	8	3604	Last post by mohan_2008 Thu Jan 01, 2009 5:44 am
Ion chromatography - Anion detection by Zydrunas Stanius » Wed Dec 17, 2008 7:20 am	5	4501	Last post by Jade.Barker Wed Dec 31, 2008 6:11 pm
Broad peak trying to separate a protein through CEX by eerae » Tue Oct 21, 2008 7:26 pm	4	3140	Last post by Bryan Evans Wed Dec 31, 2008 1:44 am
Melamine analysis by HPLC by thohry » Thu Dec 25, 2008 7:31 am	2	1914	Last post by aicmen Tue Dec 30, 2008 8:54 am
protein separation by kurian » Mon Sep 29, 2008 9:05 am	12	2885	Last post by ALLEN HIRSH Mon Dec 29, 2008 3:47 pm
saponin extraction by vestelshirley » Wed Dec 17, 2008 5:33 pm	2	1703	Last post by Bruce Hamilton Sun Dec 28, 2008 6:15 pm
Analysis of maleic acid by praveenpaliwal » Fri Dec 19, 2008 6:38 pm	4	4311	Last post by HW Mueller Thu Dec 25, 2008 10:00 am
Tryptophan oxidation by Fenton reaction by vickig » Wed Dec 24, 2008 10:25 pm	0	1705	Last post by vickig Wed Dec 24, 2008 10:25 pm
Empower training in India by jbshan » Sat Dec 20, 2008 4:09 am	2	2084	Last post by Krishnamurthy Wed Dec 24, 2008 3:20 pm
Gradient Curve by pipettemonkey » Fri Dec 19, 2008 3:27 pm	2	3365	Last post by alwelch Wed Dec 24, 2008 2:35 pm
biotage / companion by km06 » Tue Dec 23, 2008 11:32 am	2	1759	Last post by unmgvar Wed Dec 24, 2008 10:58 am
A strange gradient elution by zlb215 » Wed Dec 17, 2008 3:07 am	8	2343	Last post by reyoungs Wed Dec 24, 2008 1:16 am
PVP powder by oncoming storm » Mon Dec 22, 2008 7:51 pm	0	1993	Last post by oncoming storm Mon Dec 22, 2008 7:51 pm
Concentration of Acetate buffer by zlb215 » Wed Dec 17, 2008 3:24 am	17	7857	Last post by Noser222 Mon Dec 22, 2008 5:31 pm
Disposing of Used/Spent Deuterium Lamps by terryy » Sat Dec 20, 2008 10:29 pm	1	5926	Last post by Bruce Hamilton Sun Dec 21, 2008 12:44 am
how to increase the response ...... by parveenqa » Mon Sep 29, 2008 8:46 am	6	2840	Last post by parveenqa Sat Dec 20, 2008 8:29 am
Alternate Separations modes for aminoglycoside antibiotics by reyoungs » Wed Dec 17, 2008 2:02 am	6	2458	Last post by Vlad Orlovsky Fri Dec 19, 2008 10:10 pm
RP-HPLC bubbling advice needed by prishly » Wed Dec 17, 2008 10:09 am	7	2344	Last post by Uwe Neue Fri Dec 19, 2008 9:46 pm
Increasing retention times at high temperature by JayVee » Thu Dec 11, 2008 12:00 pm	13	5089	Last post by danko Thu Dec 18, 2008 4:20 pm
How to compare different mobile phases by pipettemonkey » Thu Dec 18, 2008 4:48 am	1	1920	Last post by tom jupille Thu Dec 18, 2008 9:31 am
Removal of Mobile Phase Components From Purified Peak by Slammy1 » Wed Dec 10, 2008 8:03 pm	8	2672	Last post by reyoungs Thu Dec 18, 2008 2:12 am
Quantitation through LC-MS/MS by subhrakanti » Sun Dec 14, 2008 3:43 pm	2	1748	Last post by MaryCarson Wed Dec 17, 2008 11:04 pm
Calibration of Agilent HPLC by danielbor » Wed Dec 17, 2008 4:16 pm	3	2613	Last post by krickos Wed Dec 17, 2008 7:55 pm
Uronic acid standards by sdegrace » Tue Dec 16, 2008 1:57 pm	3	1746	Last post by sdegrace Wed Dec 17, 2008 1:09 pm
Standards for SEC/GPC that aborb and fluoresce in UV/VIS? by dkreller » Mon Dec 15, 2008 5:16 pm	3	2295	Last post by HW Mueller Wed Dec 17, 2008 12:03 pm
Merckosorb Si60 by DM909 » Tue Dec 02, 2008 6:44 pm	7	2382	Last post by DM909 Wed Dec 17, 2008 11:41 am
ion chromatography results and unknowns by fxaxrx » Wed Dec 17, 2008 5:41 am	0	1528	Last post by fxaxrx Wed Dec 17, 2008 5:41 am
HP1090 valve cartridge by aman » Tue Dec 09, 2008 10:19 am	3	1505	Last post by HPLCCONSULT Tue Dec 16, 2008 9:32 pm
Baseline movement by padtwo » Mon Dec 15, 2008 9:28 pm	9	2268	Last post by danko Tue Dec 16, 2008 9:11 pm
Instruments calibration of HPLC by zlb215 » Tue Dec 16, 2008 8:19 am	1	1900	Last post by Noser222 Tue Dec 16, 2008 3:07 pm
new to HPLC have some questions :) by che313 » Fri Oct 17, 2008 5:41 pm	10	2907	Last post by Ninocka Tue Dec 16, 2008 10:40 am
how drug's pKa help in RP-HPLC method development by parveenqa » Thu Sep 25, 2008 8:38 am	18	11811	Last post by parveenqa Tue Dec 16, 2008 10:31 am
understanding DSC data by mk12 » Mon Dec 15, 2008 6:05 am	1	1679	Last post by syx Tue Dec 16, 2008 12:38 am
Is Trifluoroacetic acid responsible for the problem? by M Zargham Khan » Sun Dec 07, 2008 5:40 pm	6	2178	Last post by danko Sat Dec 13, 2008 8:49 pm
phenyl Column by praveenpaliwal » Thu Dec 11, 2008 2:29 pm	4	4598	Last post by mohan_2008 Sat Dec 13, 2008 4:56 pm
problem using UV detector by JZ9092 » Fri Dec 12, 2008 5:06 pm	3	2475	Last post by elsico Sat Dec 13, 2008 9:55 am
Has your HPLC ever been infected? by Jade.Barker » Wed Dec 10, 2008 5:50 pm	13	3352	Last post by mbicking Fri Dec 12, 2008 6:12 pm
TFK as an ion pairing reagent by adi.nu.r » Thu Dec 11, 2008 9:37 pm	8	1844	Last post by adi.nu.r Fri Dec 12, 2008 5:52 pm
Anions by ELSD by sehling » Thu Dec 11, 2008 7:44 pm	3	2207	Last post by XL Fri Dec 12, 2008 6:34 am

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