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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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	125209	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Chromatography of Zwitterionic Buffers (MES, MOPS, etc.) by Nalizer » Tue Jul 08, 2008 8:18 pm	4	2777	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	1499	Last post by JGK Thu Dec 11, 2008 4:13 pm
ACN Distributors by DrAgnew » Thu Dec 04, 2008 9:28 pm	4	2710	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	1641	Last post by Bruce Hamilton Wed Dec 10, 2008 10:10 pm
Constant Carryover by seamoro » Fri Dec 05, 2008 11:16 am	20	6490	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	2561	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	2450	Last post by parveenqa Wed Dec 10, 2008 6:28 am
HILIC column storage by thohry » Mon Nov 10, 2008 6:57 am	13	5798	Last post by Jade.Barker Tue Dec 09, 2008 5:54 pm
Loading Capacity of HPLC Columns by Bob Albrecht » Thu Sep 18, 2008 1:42 pm	15	24602	Last post by Bryan Evans Tue Dec 09, 2008 5:52 pm
Injection of aqueous samples in normal phase HPLC? by paroma » Thu Oct 23, 2008 1:25 pm	19	9417	Last post by HW Mueller Tue Dec 09, 2008 10:45 am
Power Supplies by Chris » Wed Dec 03, 2008 10:57 pm	11	6805	Last post by DR Mon Dec 08, 2008 3:09 pm
Analytical generals by praveenpaliwal » Wed Dec 03, 2008 6:34 pm	5	2433	Last post by DR Mon Dec 08, 2008 2:57 pm
conversion of gradient by tilly » Sun Dec 07, 2008 3:17 pm	5	3125	Last post by zokitano Mon Dec 08, 2008 12:52 pm
cost of method development/ new stationary phase by HPLCgroupEurope » Sat Dec 06, 2008 11:53 pm	8	2709	Last post by HPLCgroupEurope Sun Dec 07, 2008 11:31 pm
bad recovery! by Nour » Fri Dec 05, 2008 10:35 pm	9	2717	Last post by Nour Sun Dec 07, 2008 10:16 pm
Primesep-D HPLC column by praveenpaliwal » Mon Dec 01, 2008 5:46 pm	4	3225	Last post by praveenpaliwal Sat Dec 06, 2008 3:00 pm
Diffrence in retentions time by mk12 » Thu Nov 20, 2008 11:54 pm	9	2816	Last post by Bruce Hamilton Sat Dec 06, 2008 8:08 am
pKa and Buffering capacity by ajey » Sun Nov 23, 2008 2:56 pm	13	6849	Last post by HW Mueller Fri Dec 05, 2008 5:01 pm
How to Handle Hygroscopic Reference Standards? by syx » Thu Nov 27, 2008 6:36 am	18	13269	Last post by HW Mueller Fri Dec 05, 2008 4:32 pm
software for instrument control by milbra » Wed Nov 26, 2008 8:27 pm	2	2172	Last post by milbra Fri Dec 05, 2008 1:14 pm
Enantiomer separation on an achiral polar embedded column by kjwellsknecht » Tue Dec 02, 2008 2:14 pm	7	3768	Last post by Mattias Fri Dec 05, 2008 11:26 am
Ghost peak in reversed phase chromatography by toconnor » Mon Dec 01, 2008 12:31 pm	7	3162	Last post by DM909 Fri Dec 05, 2008 9:16 am
Jumping of retention time with comparable reponse by vliu » Fri Dec 05, 2008 12:51 am	1	2198	Last post by DM909 Fri Dec 05, 2008 8:27 am
the role of TFA on Reverse phase chromatography? by dodora » Sun Oct 26, 2008 4:19 pm	12	27023	Last post by dodora Thu Dec 04, 2008 2:53 pm
Peak Splitting by Santosh Gandhi » Wed Dec 03, 2008 4:16 pm	2	2023	Last post by Uwe Neue Thu Dec 04, 2008 1:36 pm
method development by ajey » Fri Nov 28, 2008 2:32 pm	8	3153	Last post by HW Mueller Thu Dec 04, 2008 9:32 am
Method Validation - different tablet strengths by michaelcarolus » Wed Dec 03, 2008 2:00 pm	5	3681	Last post by krickos Thu Dec 04, 2008 7:03 am
ChemStation error message by PHOBIUS » Tue Dec 02, 2008 4:40 pm	3	2141	Last post by PHOBIUS Wed Dec 03, 2008 2:11 pm
Valve injector and sample injection by hplc1973 » Mon Dec 01, 2008 10:06 pm	7	3218	Last post by LCbob Wed Dec 03, 2008 12:23 pm
Analysis of Melamine in Food by Nalizer » Wed Sep 24, 2008 6:37 pm	35	12730	Last post by MafaldaCosta Wed Dec 03, 2008 10:48 am
using TFK pH=6 as a solvent by adi.nu.r » Tue Dec 02, 2008 8:35 pm	0	1710	Last post by adi.nu.r Tue Dec 02, 2008 8:35 pm
Halogenated Molecule Sticking to Column by hajdaei » Mon Nov 17, 2008 7:39 pm	15	4540	Last post by adam Tue Dec 02, 2008 8:06 pm
chloroform of dichloromethane? by bartjoosen » Tue Dec 02, 2008 12:16 pm	4	3464	Last post by Bruce Hamilton Tue Dec 02, 2008 7:50 pm
Using peak area to estimate concentration by niba » Mon Nov 24, 2008 5:20 pm	10	30047	Last post by Jade.Barker Tue Dec 02, 2008 7:02 pm
Waters DNPH columns by beca » Wed Nov 19, 2008 9:18 pm	5	2982	Last post by Bryan Evans Tue Dec 02, 2008 4:56 pm
Help please with an analysis by Tristan » Wed Nov 12, 2008 6:20 am	5	2615	Last post by Vlad Orlovsky Tue Dec 02, 2008 3:18 am
C18 column problems due to ammonium bicarbonate buffer? by DM909 » Fri Nov 21, 2008 5:31 pm	11	10468	Last post by danko Mon Dec 01, 2008 2:00 pm
MEmory effect? by Aurelien » Fri Nov 07, 2008 6:33 pm	5	6293	Last post by HW Mueller Mon Dec 01, 2008 9:35 am
Web seminars by scienceismylife » Fri Nov 28, 2008 3:57 am	3	2256	Last post by tom jupille Mon Dec 01, 2008 4:53 am
retention problems using an amino column by Andreas Karas » Tue Nov 11, 2008 9:17 am	5	2450	Last post by mohan_2008 Mon Dec 01, 2008 3:14 am
split peak by mk12 » Thu Nov 20, 2008 11:56 pm	2	1819	Last post by mohan_2008 Sun Nov 30, 2008 11:03 pm
Working Standards by Chris » Fri Nov 28, 2008 7:13 am	7	2720	Last post by mohan_2008 Sun Nov 30, 2008 10:10 pm
Buffering cpacity by praveenpaliwal » Sun Nov 23, 2008 10:50 am	9	3232	Last post by mohan_2008 Sun Nov 30, 2008 5:52 pm
Column Storage Question by WuShock » Sun Nov 30, 2008 2:13 am	3	1759	Last post by mohan_2008 Sun Nov 30, 2008 4:51 pm
method development by ajey » Wed Nov 26, 2008 3:00 pm	3	1720	Last post by mohan_2008 Sat Nov 29, 2008 2:54 am
Screening methods for LC by Mattias » Thu Nov 27, 2008 9:55 am	6	1964	Last post by SIELC_Tech Fri Nov 28, 2008 4:02 pm
complexing of phosphates with metal parts of the HPLC by PHOBIUS » Tue Nov 18, 2008 1:30 pm	9	2934	Last post by goxy43 Fri Nov 28, 2008 9:20 am
maximum peak absorbance for Forced degradation in UPLC by pat_val » Tue Nov 25, 2008 1:41 pm	3	1776	Last post by aceto_81 Thu Nov 27, 2008 2:47 pm
pressure fluctuations UPLC column by Ruth » Mon Nov 24, 2008 12:02 pm	9	2722	Last post by zokitano Thu Nov 27, 2008 2:05 pm
Help Building a Post Column Reaction by emc » Wed Nov 26, 2008 9:13 pm	7	3274	Last post by HW Mueller Thu Nov 27, 2008 1:13 pm

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