Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 398	398	1498	Last post Re: Carbonates by liko44 Sat Oct 18, 2025 5:45 am
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: 119	119	467	Last post Re: choice of GPC software by pigsy1983 Tue Jul 08, 2025 4:23 pm

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11906 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62127	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Gradient by yxw » Mon Mar 20, 2006 10:18 pm	10	4082	Last post by Rafael Chust Mon Apr 03, 2006 9:44 am
Strange problem by bloodstone001 » Tue Mar 21, 2006 3:17 am	15	5806	Last post by JM Mon Apr 03, 2006 9:19 am
Test Method Validation - Accuracy by Consumer Products Guy » Mon Mar 20, 2006 11:38 pm	4	3273	Last post by KC Sun Apr 02, 2006 3:24 pm
LC method to LC-MS method by sjee6 » Thu Mar 30, 2006 8:42 pm	7	4328	Last post by SIELC_Tech Sat Apr 01, 2006 8:05 pm
UPLC by zo » Fri Mar 03, 2006 3:33 pm	30	13927	Last post by Uwe Neue Sat Apr 01, 2006 6:51 pm
BLANK PEAKS IN CALCULATIONS by rc_12321 » Thu Mar 30, 2006 5:43 am	2	2826	Last post by syx Sat Apr 01, 2006 11:13 am
problem with nereistoxin thiosultap by aflores » Thu Mar 30, 2006 5:45 pm	1	2040	Last post by tom jupille Fri Mar 31, 2006 7:40 pm
Guanidine without EDTA by kurian » Wed Mar 29, 2006 2:57 pm	3	2627	Last post by SIELC_Tech Fri Mar 31, 2006 8:59 am
where to get support for KromaSystem (Geminyx) software by Langston » Thu Mar 30, 2006 2:13 am	4	2744	Last post by Rafael Chust Fri Mar 31, 2006 8:20 am
Secondary vendor for Waters Xterra column? by lnixon » Wed Mar 29, 2006 11:24 pm	5	2742	Last post by SIELC_Tech Fri Mar 31, 2006 1:40 am
HPLC + DC ??? by Basil » Wed Mar 29, 2006 11:18 am	6	3256	Last post by Chris Pohl Thu Mar 30, 2006 11:54 pm
Ion Pairing chromatography by bunmiph » Wed Mar 29, 2006 10:10 pm	2	2192	Last post by Rafael Chust Thu Mar 30, 2006 8:13 pm
L-Carnitin determination by JAROCZAJKA » Tue Mar 14, 2006 10:59 am	2	2206	Last post by Bryan Evans Thu Mar 30, 2006 5:13 pm
RI detectors and differential refractometric detectors by michael.k raj » Mon Mar 27, 2006 5:40 am	3	2606	Last post by michael.k raj Thu Mar 30, 2006 8:10 am
question on compound behaviour on thin layer chromatography by wky » Sun Mar 19, 2006 7:51 am	16	8729	Last post by wky Thu Mar 30, 2006 6:20 am
Inverted peaks by karenh » Wed Mar 29, 2006 10:54 pm	1	2682	Last post by lcguy1 Thu Mar 30, 2006 12:19 am
Protein containing Polysorbate 80 and RP HPLC by kar22 » Wed Mar 29, 2006 2:04 pm	2	2713	Last post by kar22 Wed Mar 29, 2006 6:01 pm
Validation courses by kkovats » Wed Mar 29, 2006 9:04 am	3	2330	Last post by philippem Wed Mar 29, 2006 2:38 pm
ELSD by basskar1 » Tue Mar 28, 2006 5:12 pm	5	2924	Last post by Peter Apps Wed Mar 29, 2006 1:16 pm
Chaotropic salts, how do they work? by gonzjr » Mon Mar 27, 2006 4:23 pm	6	4100	Last post by HW Mueller Wed Mar 29, 2006 9:31 am
how to set up quantitation database for internal calibration by zimanli » Tue Mar 28, 2006 11:01 pm	0	2127	Last post by zimanli Tue Mar 28, 2006 11:01 pm
Problems with THF by ahalya » Wed Mar 22, 2006 2:13 pm	11	5102	Last post by ntruong Mon Mar 27, 2006 11:55 pm
Waters 2695 Check Valve Problems by Jason Hendricks » Thu Mar 23, 2006 5:48 pm	7	6037	Last post by michaldousa Mon Mar 27, 2006 7:05 pm
21 CFR vis-a-vis HPLC by sksrinivas » Fri Mar 24, 2006 2:25 pm	7	4825	Last post by Consumer Products Guy Mon Mar 27, 2006 6:14 pm
Equivalent Column for Primesep100 by prasadpvs » Wed Mar 22, 2006 12:45 pm	13	9967	Last post by Mark Tracy Mon Mar 27, 2006 5:12 pm
Correction Factor for Thermometer by Sunjay » Mon Mar 27, 2006 10:17 am	1	2666	Last post by DR Mon Mar 27, 2006 2:42 pm
Detecting Primary Amines by Roy Kelvin » Fri Mar 17, 2006 5:00 pm	8	5079	Last post by Rob Burgess Mon Mar 27, 2006 11:18 am
rosiglitazone by zompa » Fri Mar 24, 2006 5:15 pm	9	3382	Last post by zompa Mon Mar 27, 2006 10:56 am
Mobile phase composition adjustment by Liza » Sat Mar 25, 2006 2:08 am	5	3227	Last post by tom jupille Mon Mar 27, 2006 4:34 am
ghost peak by ym3142 » Sat Mar 18, 2006 9:52 am	7	3207	Last post by Kostas Petritis Fri Mar 24, 2006 6:58 pm
switch methscopolamine and phenylephrine by ym3142 » Fri Mar 24, 2006 2:35 pm	0	1896	Last post by ym3142 Fri Mar 24, 2006 2:35 pm
6-aminohexanoic acid impurity method by EH » Thu Mar 23, 2006 6:47 pm	1	2434	Last post by SIELC_Tech Thu Mar 23, 2006 11:30 pm
retention time shift with Ion pairing LC by dlliu » Mon Mar 20, 2006 8:37 pm	21	8759	Last post by Kostas Petritis Thu Mar 23, 2006 10:17 pm
3,2 mm column diameter by amirchem » Thu Mar 23, 2006 9:13 am	2	2537	Last post by folive Thu Mar 23, 2006 5:46 pm
Help in HPLC Waters 2690 by Diego Delmonte » Mon Mar 20, 2006 4:38 pm	3	3273	Last post by Jason Hendricks Thu Mar 23, 2006 4:21 pm
Guard Column by Chellie » Wed Mar 22, 2006 2:49 pm	6	3495	Last post by HW Mueller Thu Mar 23, 2006 11:49 am
Ghost peak during the determination of aldehydes using dnph by Houtuh » Thu Mar 09, 2006 10:36 am	12	4439	Last post by Houtuh Thu Mar 23, 2006 10:02 am
RI question by pinkpanther » Mon Mar 20, 2006 5:52 pm	6	3220	Last post by sksrinivas Thu Mar 23, 2006 4:58 am
Cefdinir Plasma extraction method by sandip.gurav » Tue Mar 21, 2006 4:54 am	3	2369	Last post by Uwe Neue Thu Mar 23, 2006 12:33 am
Mobile Phase pH choice by Apple_insci » Fri Mar 10, 2006 2:43 am	12	4365	Last post by Apple_insci Thu Mar 23, 2006 12:09 am
Diode array detector - optical diagram by sksrinivas » Tue Mar 21, 2006 5:23 am	4	2895	Last post by tom jupille Wed Mar 22, 2006 8:04 pm
Baseline by Tammy Nguyen » Wed Mar 15, 2006 6:33 pm	4	2983	Last post by michaldousa Wed Mar 22, 2006 12:32 pm
Analysis of Glyphosate by TLC by darwinmani » Mon Mar 20, 2006 3:26 pm	4	3894	Last post by michaldousa Wed Mar 22, 2006 12:20 pm
SEC Columns HELP !!! by Harry » Tue Mar 21, 2006 1:28 pm	3	3045	Last post by Rafael Chust Wed Mar 22, 2006 9:02 am
Ascorbic Acid Ion Exchange Oddity by Chris Pohl » Mon Mar 13, 2006 4:08 am	4	3204	Last post by HW Mueller Wed Mar 22, 2006 8:11 am
Liquid Chromatographic Assay of Drug substance by nsreenivas » Thu Mar 16, 2006 6:09 am	3	2422	Last post by ccyting Tue Mar 21, 2006 11:51 pm
Sodium Perchlorate in Mobile Phase by Chris » Tue Mar 21, 2006 1:07 pm	1	3014	Last post by Mark Tracy Tue Mar 21, 2006 4:46 pm
Heparin LMW Ph. Forum by zompa » Thu Mar 16, 2006 10:06 am	9	3503	Last post by DR Tue Mar 21, 2006 3:38 pm
HPLC method for metformin/glimepiride by chem2006 » Mon Mar 20, 2006 10:00 pm	0	2090	Last post by chem2006 Mon Mar 20, 2006 10:00 pm
ELSD Signal by wchriste » Tue Mar 14, 2006 10:27 pm	7	3578	Last post by Kostas Petritis Mon Mar 20, 2006 9:42 pm

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