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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11920 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	92918	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Ion exchange: step gradient peaks by yolevins » Sun Oct 23, 2011 8:35 am	1	1829	Last post by tom jupille Sun Oct 23, 2011 7:32 pm
Poor man's electronic chromatogram by DJ » Thu Aug 25, 2011 3:11 am	7	3321	Last post by michal Sun Oct 23, 2011 6:58 pm
Agilent odd noise by sepscientologist » Fri Oct 14, 2011 5:45 pm	4	2088	Last post by chakri36 Sun Oct 23, 2011 6:13 am
Resolution? by sethika143 » Fri Oct 21, 2011 2:48 pm	1	2127	Last post by Jetjamnong Sun Oct 23, 2011 5:19 am
HPLC analysis of Peptides conjugated with KLH by jdagit » Fri Oct 21, 2011 6:53 pm	2	2551	Last post by unmgvar Sat Oct 22, 2011 8:03 pm
Software for simulation of preparative chromataography by michal » Thu Oct 20, 2011 2:57 pm	1	1777	Last post by unmgvar Sat Oct 22, 2011 7:39 pm
Waters PIC A low UV Reagent by agrubert » Wed Oct 19, 2011 6:54 pm	8	3636	Last post by carls Sat Oct 22, 2011 2:54 pm
HPLC/GC application database by achkata » Fri Oct 21, 2011 9:50 am	0	2190	Last post by achkata Fri Oct 21, 2011 9:50 am
weak binding SAX/WAX column suggestions? by lynzjm » Wed Oct 19, 2011 1:51 pm	3	2005	Last post by lynzjm Fri Oct 21, 2011 9:46 am
Langmuir isotherm by michal » Fri Oct 21, 2011 5:09 am	0	1795	Last post by michal Fri Oct 21, 2011 5:09 am
UPLC mobile phase with pH above 10 by qliu » Thu Oct 20, 2011 6:30 pm	1	2294	Last post by tom jupille Fri Oct 21, 2011 3:44 am
Hamilton prp columns by qfiviera » Wed Oct 19, 2011 2:14 pm	4	8040	Last post by qfiviera Thu Oct 20, 2011 2:23 pm
UPLC Acquity BEH columns by patriciodp » Tue Aug 09, 2011 7:40 pm	10	7082	Last post by Alexandre Thu Oct 20, 2011 7:46 am
Prevail Carbohydrate ES column by Tinktinkie » Sat Oct 15, 2011 6:37 am	3	3111	Last post by unmgvar Wed Oct 19, 2011 9:39 pm
Some queries of HLPC. Please help me! by ultima_86 » Thu Sep 15, 2011 12:55 pm	4	2975	Last post by Vlad Orlovsky Wed Oct 19, 2011 9:25 pm
HOW MANY DIODES ARE ENOUGH? by Fernando GCMAN » Tue Oct 18, 2011 8:07 pm	2	3450	Last post by Fernando GCMAN Wed Oct 19, 2011 1:48 pm
Help for Waters 2414 Refractive Index Detector by vgr » Mon Oct 10, 2011 6:27 pm	8	8267	Last post by gstaepels Wed Oct 19, 2011 9:39 am
Internal Standard - Suggestions Appreciated by Mark Eason » Tue Oct 18, 2011 6:54 pm	2	2524	Last post by Mark Eason Wed Oct 19, 2011 4:58 am
HPLC with fluorescense detector by shareena » Mon Oct 17, 2011 7:37 am	2	3724	Last post by shareena Wed Oct 19, 2011 3:51 am
NOISE-SENSITIVITY ISSUE by rc_123 » Tue Oct 18, 2011 3:38 pm	1	2285	Last post by tom jupille Tue Oct 18, 2011 9:24 pm
Chiral chromatography, LC recyclers by jusuom » Tue Oct 18, 2011 8:44 am	6	2207	Last post by unmgvar Tue Oct 18, 2011 6:13 pm
sodium acetate determination by bfranc81 » Tue Oct 18, 2011 8:41 am	4	2334	Last post by Bintang Tue Oct 18, 2011 11:32 am
Normal-phase UHPLC columns? by jusuom » Tue Jun 28, 2011 6:36 am	9	2849	Last post by KDF Tue Oct 18, 2011 5:11 am
Choice of solvent problem, help please! by cottrel » Tue Oct 11, 2011 7:20 pm	10	3991	Last post by KDF Tue Oct 18, 2011 4:56 am
HILIC for a n00b by passy » Tue Oct 11, 2011 3:46 am	4	1752	Last post by Alexandre Tue Oct 18, 2011 2:49 am
separation of hydrocortisone acetate n cortisone acetate by fae » Mon Oct 17, 2011 12:15 am	1	1633	Last post by tom jupille Mon Oct 17, 2011 10:22 pm
HPLC Error! by arfi02 » Sat Oct 15, 2011 2:02 pm	1	2053	Last post by DR Mon Oct 17, 2011 3:35 pm
peak width and detector senstivity by jiangds06 » Tue Oct 11, 2011 5:50 pm	6	1938	Last post by HPLCaddict Mon Oct 17, 2011 1:47 pm
Recovery by cody84 » Wed Oct 05, 2011 8:55 pm	21	3738	Last post by Alexandre Mon Oct 17, 2011 10:00 am
Problem with retention time by zanio » Tue Oct 11, 2011 1:30 pm	5	1836	Last post by Mattias Mon Oct 17, 2011 8:14 am
negative peak at blank by tubish » Fri Oct 14, 2011 12:57 pm	2	2020	Last post by LCbob Mon Oct 17, 2011 7:48 am
Abbreviation of triglycerides by tskusurkar » Sun Oct 16, 2011 2:16 pm	1	4603	Last post by chromatographer1 Mon Oct 17, 2011 1:50 am
Signal saturation for Waters 2475 fluorescence detector by millergroverp » Thu Oct 13, 2011 10:31 pm	2	2038	Last post by HW Mueller Sat Oct 15, 2011 7:48 am
HPLC chromatograph by patelhardik » Fri Oct 14, 2011 5:41 pm	1	1692	Last post by sepscientologist Fri Oct 14, 2011 6:47 pm
Stopping an HPLC after a sequence with Millinium 32 software by tima » Wed Oct 12, 2011 5:17 pm	2	1580	Last post by tima Thu Oct 13, 2011 9:45 pm
Mystery Blob in RP HPLC by KAR10 » Wed Oct 12, 2011 3:06 pm	5	2193	Last post by unmgvar Thu Oct 13, 2011 8:28 pm
Problem with Impurity.Please help me! by ultima_86 » Wed Sep 28, 2011 12:37 pm	13	3807	Last post by ultima_86 Thu Oct 13, 2011 1:30 pm
Poor Reproducibility of readings from the IC by Chromatography » Thu Oct 13, 2011 12:49 am	1	1481	Last post by tom jupille Thu Oct 13, 2011 11:49 am
Baseline drift problem by Statien » Wed Oct 12, 2011 2:02 pm	1	1661	Last post by tom jupille Wed Oct 12, 2011 7:19 pm
Pressure reduction combined with peak broadening by carlos.teixeira » Sat Oct 08, 2011 7:30 pm	8	2046	Last post by wongyl4985 Wed Oct 12, 2011 1:44 am
sec baseline by MestizoJoe » Thu Sep 22, 2011 1:55 pm	16	3752	Last post by unmgvar Tue Oct 11, 2011 10:12 pm
"Chalk talk" on pH effects in reversed phase by tom jupille » Tue Oct 11, 2011 6:51 pm	1	7232	Last post by tom jupille Tue Oct 11, 2011 6:51 pm
Waters HPLC Binary Pump versus Quartenary Pump by chicay » Fri Sep 16, 2011 2:08 am	27	9722	Last post by Peter Skelton Tue Oct 11, 2011 11:48 am
Determining the delay volume by cottrel » Fri Oct 07, 2011 7:00 am	5	3444	Last post by cottrel Tue Oct 11, 2011 8:25 am
HPLC tubing blockage by AUlee » Fri Oct 07, 2011 6:36 pm	7	7445	Last post by mirac_han Tue Oct 11, 2011 6:07 am
pump seal failure by mirac_han » Mon Oct 10, 2011 2:54 pm	1	1695	Last post by tom jupille Tue Oct 11, 2011 12:56 am
How many Chromatography column manufacturers are? by Pisces » Sun Oct 09, 2011 6:05 am	5	1876	Last post by tom jupille Mon Oct 10, 2011 2:11 pm
Re-validation by agentile » Fri Oct 07, 2011 6:55 pm	3	1740	Last post by Alex Buske Mon Oct 10, 2011 7:50 am
wavelenght accuracy determination. by mirac_han » Sat Oct 08, 2011 6:45 pm	3	2926	Last post by bisnettrj2 Mon Oct 10, 2011 6:37 am
can anyone explain this? by mas23 » Fri Oct 07, 2011 6:24 pm	11	2295	Last post by Hollow Sun Oct 09, 2011 10:12 pm

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