Liquid Chromatography

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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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11924 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62086	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
spe/soil extractions by vestelshirley » Wed Sep 28, 2005 5:26 pm	2	2407	Last post by Uwe Neue Wed Sep 28, 2005 10:53 pm
Monolithic Columns 5-10x faster separations by chembot » Wed Sep 28, 2005 5:50 pm	2	2467	Last post by Mark Tracy Wed Sep 28, 2005 10:53 pm
cyclopentolate hydrochloride by Robert Brightman » Wed Sep 28, 2005 9:48 am	1	2609	Last post by Uwe Neue Wed Sep 28, 2005 5:21 pm
Basic compunds (nortriptyline) at intermidiate pH by Koen Hollebekkers » Tue Sep 27, 2005 7:44 pm	5	3023	Last post by Uwe Neue Wed Sep 28, 2005 5:14 pm
Pressure Increment During Run by syx » Mon Sep 26, 2005 7:55 am	7	3434	Last post by jitender Wed Sep 28, 2005 4:38 pm
propranolol tablets by sneha » Sat Sep 24, 2005 1:09 pm	1	2528	Last post by Raj B Wed Sep 28, 2005 9:44 am
Injection port cleaning by jitender » Thu Sep 22, 2005 1:28 pm	5	5741	Last post by Raj B Wed Sep 28, 2005 9:31 am
Cystathionine, Serine LC method by Pistek » Mon Sep 05, 2005 1:34 pm	7	3728	Last post by Pistek Tue Sep 27, 2005 11:21 am
Serpentine flow in post column derivatisation by Ary » Mon Sep 19, 2005 2:35 pm	11	4566	Last post by Ary Tue Sep 27, 2005 9:00 am
Removal of Sodium Dodecyl Sulfate from C18 column by JMB » Wed Aug 03, 2005 1:40 pm	26	12770	Last post by Mark Tracy Mon Sep 26, 2005 4:47 pm
TLC and Trihexosylceramide by Wunder » Mon Sep 12, 2005 12:16 am	2	2767	Last post by Wunder Mon Sep 26, 2005 3:15 am
apparent versus thermodynamic pka by scio2 » Tue Sep 13, 2005 7:45 am	3	6629	Last post by Bill Tindall Mon Sep 26, 2005 12:41 am
Has everything been done? by chembot » Fri Sep 23, 2005 3:43 am	9	4416	Last post by Kostas Petritis Sun Sep 25, 2005 10:44 pm
interference in Dissolution by aruna sharma » Thu Sep 08, 2005 4:10 pm	1	2535	Last post by jitender Sat Sep 24, 2005 6:27 am
Perchloric acid buffer by Provetech » Fri Sep 23, 2005 11:49 am	1	3080	Last post by Mark Tracy Fri Sep 23, 2005 5:44 pm
Analysis of Bisoprolol hemifumarate by Provetech » Fri Sep 23, 2005 12:40 pm	1	2485	Last post by Mark Tracy Fri Sep 23, 2005 5:21 pm
Retention Time and Buffer Concentration by syx » Thu Sep 22, 2005 1:00 am	2	2446	Last post by syx Fri Sep 23, 2005 1:23 am
Method Validation for Equipment Cleanup by josebenjamin » Wed Sep 21, 2005 1:01 pm	2	2508	Last post by Ben Buglio Fri Sep 23, 2005 12:06 am
IS Resolution by mdyo » Thu Sep 22, 2005 6:15 am	6	3455	Last post by tom jupille Thu Sep 22, 2005 9:41 pm
Check Valve Failure by ravenwork » Tue Sep 20, 2005 6:26 pm	7	6898	Last post by Mark Tracy Thu Sep 22, 2005 9:39 pm
van Deemter & Pressure Drop Equations for Monolithic Col by adam » Wed Sep 21, 2005 8:55 pm	2	2612	Last post by unmgvar Thu Sep 22, 2005 7:00 pm
Preparative IP-RPLC of underivatized amino acids by James » Tue Sep 20, 2005 11:45 am	9	3897	Last post by HW Mueller Thu Sep 22, 2005 4:30 pm
Hydrophobic Interaction Chromaotography by philippem » Thu Sep 22, 2005 6:53 am	1	2254	Last post by philippem Thu Sep 22, 2005 9:06 am
Nylon membrane filters by Consumer Products Guy » Thu Sep 15, 2005 3:34 pm	2	2565	Last post by pawan ratra Thu Sep 22, 2005 2:16 am
Shimadzu columns by kumar » Wed Sep 21, 2005 7:10 pm	1	2351	Last post by tom jupille Wed Sep 21, 2005 9:29 pm
Potential Water Degradation? by JBush » Tue Sep 20, 2005 5:04 pm	3	2510	Last post by ym3142 Wed Sep 21, 2005 2:27 pm
EXCESS ADSORPTION by scio2 » Wed Sep 21, 2005 2:07 pm	0	2085	Last post by scio2 Wed Sep 21, 2005 2:07 pm
Separation Cortisone acetate and hydrocortisone by shanmukhpatil » Wed Sep 21, 2005 5:41 am	1	2465	Last post by dr_Pyrex Wed Sep 21, 2005 10:53 am
Waters Automated Dissolution - HPLC system by John » Fri Sep 16, 2005 6:05 pm	3	2822	Last post by Rob Burgess Wed Sep 21, 2005 8:26 am
Analytical Method Validation for Pharmaceuticals by KarenJ » Tue Sep 20, 2005 3:24 pm	1	2562	Last post by David Blais Tue Sep 20, 2005 3:35 pm
Revalidation of Analytical method by aruna sharma » Fri Sep 16, 2005 4:44 pm	5	3521	Last post by aruna sharma Tue Sep 20, 2005 3:11 pm
how to decide the concentration of sample by zydus » Tue Sep 20, 2005 7:59 am	0	2029	Last post by zydus Tue Sep 20, 2005 7:59 am
High pH in mobile phase by Tequila » Thu Sep 15, 2005 10:54 am	3	2919	Last post by Bill Tindall Tue Sep 20, 2005 3:16 am
method validation for different matrixes by MK » Mon Sep 19, 2005 10:38 am	1	2228	Last post by pawan ratra Tue Sep 20, 2005 1:23 am
Baseline by ntwomlow » Mon Sep 19, 2005 7:49 pm	1	2169	Last post by Mark Tracy Mon Sep 19, 2005 8:54 pm
HPLC pump by rima patel » Fri Sep 16, 2005 2:11 pm	5	2874	Last post by sanjay Mon Sep 19, 2005 11:15 am
Problems with eluting peptide by chichibabin » Thu Sep 15, 2005 8:34 pm	8	3424	Last post by HW Mueller Mon Sep 19, 2005 7:59 am
fast eluting drug by zydus » Sun Sep 11, 2005 7:02 am	6	3198	Last post by ym3142 Mon Sep 19, 2005 4:37 am
validation troubleshooting, please by ym3142 » Wed Sep 14, 2005 5:02 am	4	3093	Last post by ym3142 Mon Sep 19, 2005 3:53 am
binary solvent noisy with RI detection by ljc » Fri Sep 09, 2005 6:27 pm	13	6277	Last post by ljc Mon Sep 19, 2005 1:03 am
Problem with the back pressure in a ciano column by Tequila » Mon Sep 05, 2005 11:55 pm	6	3324	Last post by ljc Sat Sep 17, 2005 12:15 pm
Forced Degradation in the drug products by aruna sharma » Wed Sep 07, 2005 3:18 pm	7	4891	Last post by pawan ratra Sat Sep 17, 2005 4:03 am
HILIC of Nucleotides by rmoretti » Wed Sep 14, 2005 10:26 pm	1	2883	Last post by IC Fri Sep 16, 2005 2:43 pm
Are there any Open-Tubular-Column HPLC Companies out there? by adam » Wed Sep 14, 2005 7:48 pm	6	3752	Last post by Victor Fri Sep 16, 2005 2:26 pm
Peak Fronting Issue by olaniyi » Tue Sep 13, 2005 1:49 pm	7	4571	Last post by olaniyi Thu Sep 15, 2005 4:24 pm
DryLab Manuals by myssb_2 » Wed Sep 14, 2005 7:07 pm	2	4023	Last post by Derek40 Thu Sep 15, 2005 3:55 pm
Recent years solution for higher throughput by unmgvar » Mon Sep 05, 2005 7:24 am	7	3585	Last post by unmgvar Thu Sep 15, 2005 5:40 am
Unstable Retention Time For Several Hours by syx » Wed Sep 07, 2005 7:06 am	11	4561	Last post by syx Wed Sep 14, 2005 7:15 am
specificity should be first priority by zydus » Mon Sep 12, 2005 9:03 pm	6	3543	Last post by ym3142 Wed Sep 14, 2005 5:05 am
Method Validation by Sallybeetle » Tue Sep 06, 2005 4:41 pm	3	2815	Last post by pawan ratra Wed Sep 14, 2005 3:30 am

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