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	83649	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
SLS Content in Empty Capsule Shells by vikmurush » Thu Aug 07, 2008 3:34 am	21	4402	Last post by vikmurush Sat Jan 03, 2009 4:28 am
Unretained compound by vikmurush » Fri Dec 26, 2008 9:12 pm	36	6597	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	1671	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	2020	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	3368	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	4361	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	2943	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	1827	Last post by aicmen Tue Dec 30, 2008 8:54 am
protein separation by kurian » Mon Sep 29, 2008 9:05 am	12	2779	Last post by ALLEN HIRSH Mon Dec 29, 2008 3:47 pm
saponin extraction by vestelshirley » Wed Dec 17, 2008 5:33 pm	2	1604	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	4113	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	1583	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	1983	Last post by Krishnamurthy Wed Dec 24, 2008 3:20 pm
Gradient Curve by pipettemonkey » Fri Dec 19, 2008 3:27 pm	2	3228	Last post by alwelch Wed Dec 24, 2008 2:35 pm
biotage / companion by km06 » Tue Dec 23, 2008 11:32 am	2	1655	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	2236	Last post by reyoungs Wed Dec 24, 2008 1:16 am
PVP powder by oncoming storm » Mon Dec 22, 2008 7:51 pm	0	1865	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	7299	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	5802	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	2731	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	2342	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	2231	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	4678	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	1785	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	2594	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	1626	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	2488	Last post by krickos Wed Dec 17, 2008 7:55 pm
Uronic acid standards by sdegrace » Tue Dec 16, 2008 1:57 pm	3	1644	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	2202	Last post by HW Mueller Wed Dec 17, 2008 12:03 pm
Merckosorb Si60 by DM909 » Tue Dec 02, 2008 6:44 pm	7	2281	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	1437	Last post by fxaxrx Wed Dec 17, 2008 5:41 am
HP1090 valve cartridge by aman » Tue Dec 09, 2008 10:19 am	3	1412	Last post by HPLCCONSULT Tue Dec 16, 2008 9:32 pm
Baseline movement by padtwo » Mon Dec 15, 2008 9:28 pm	9	2146	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	1810	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	2826	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	11419	Last post by parveenqa Tue Dec 16, 2008 10:31 am
understanding DSC data by mk12 » Mon Dec 15, 2008 6:05 am	1	1587	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	2080	Last post by danko Sat Dec 13, 2008 8:49 pm
phenyl Column by praveenpaliwal » Thu Dec 11, 2008 2:29 pm	4	4487	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	2364	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	3182	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	1721	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	2116	Last post by XL Fri Dec 12, 2008 6:34 am
Chromatography of Zwitterionic Buffers (MES, MOPS, etc.) by Nalizer » Tue Jul 08, 2008 8:18 pm	4	2671	Last post by Vlad Orlovsky Thu Dec 11, 2008 4:41 pm
PL ELS detectore-evaporation of solvents by Tinas » Thu Dec 11, 2008 10:57 am	2	1418	Last post by JGK Thu Dec 11, 2008 4:13 pm
ACN Distributors by DrAgnew » Thu Dec 04, 2008 9:28 pm	4	2632	Last post by syx Thu Dec 11, 2008 1:12 am
RID problem with methanol? by ACPilot » Wed Dec 10, 2008 6:51 pm	1	1564	Last post by Bruce Hamilton Wed Dec 10, 2008 10:10 pm
Constant Carryover by seamoro » Fri Dec 05, 2008 11:16 am	20	6293	Last post by Jade.Barker Wed Dec 10, 2008 5:22 pm
Vitamins analysis of human samples by James Ellis » Fri Nov 21, 2008 2:01 pm	5	2444	Last post by oscarBAL Wed Dec 10, 2008 3:57 pm
how to decide the extraction procedure by parveenqa » Fri Dec 05, 2008 6:59 am	3	2372	Last post by parveenqa Wed Dec 10, 2008 6:28 am

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