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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11919 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	88667	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Method transfer in a GMP lab by GT » Wed Oct 12, 2005 6:59 am	8	3890	Last post by tom jupille Wed Oct 12, 2005 9:41 pm
Glimepiride Isomers by syx » Mon Oct 10, 2005 12:28 am	5	3320	Last post by syx Wed Oct 12, 2005 7:32 am
Robustness in AEX, mobile phase composition by MK » Tue Oct 11, 2005 11:32 am	3	3310	Last post by tom jupille Wed Oct 12, 2005 6:14 am
Buffer regions / titration curve of ammonium acetate by khimik » Tue Oct 11, 2005 3:33 am	1	3760	Last post by HW Mueller Tue Oct 11, 2005 7:20 am
Ion-pair equilibration time by EH » Mon Oct 10, 2005 6:15 pm	2	3704	Last post by SIELC_Tech Mon Oct 10, 2005 8:45 pm
Pyrrolidine and TEA by Koen Hollebekkers » Fri Oct 07, 2005 8:58 am	3	3414	Last post by Mark Tracy Mon Oct 10, 2005 6:01 pm
Good practice on DX600 (continued) by zhuwj007 » Mon Oct 10, 2005 4:02 am	0	2316	Last post by zhuwj007 Mon Oct 10, 2005 4:02 am
HPLC Column problem by S.M.PANDYA » Sun Oct 09, 2005 8:05 am	3	3201	Last post by A.L.N. MURTHY Mon Oct 10, 2005 3:32 am
Waters 715 Autosampler by Mark Mitch » Tue Sep 27, 2005 2:38 pm	2	2775	Last post by Mark Mitch Sat Oct 08, 2005 4:33 pm
PIC reagent used in HPLC determination of Vitamin C and Bs by Teresa » Fri Oct 07, 2005 10:40 pm	0	2425	Last post by Teresa Fri Oct 07, 2005 10:40 pm
TEAA quantification by DeadlyTedly » Fri Oct 07, 2005 4:28 pm	6	3184	Last post by DeadlyTedly Fri Oct 07, 2005 8:32 pm
Analysis of Hydroxylamine: HPLC or GC? by Apple_insci » Mon Sep 26, 2005 10:50 pm	8	7465	Last post by Einar Ponten Fri Oct 07, 2005 5:37 pm
Pesticide determinations in water using LC-DAD by jdb » Thu Oct 06, 2005 9:53 am	2	2782	Last post by ravenwork Fri Oct 07, 2005 5:08 pm
salt and HPLC by dlliu » Fri Oct 07, 2005 2:47 pm	1	2640	Last post by tom jupille Fri Oct 07, 2005 2:53 pm
Same Column Different LC by syx » Tue Sep 06, 2005 12:32 am	21	6463	Last post by JM Fri Oct 07, 2005 10:38 am
chiral column by A.L.N. MURTHY » Fri Oct 07, 2005 3:32 am	1	2648	Last post by michael.k raj Fri Oct 07, 2005 7:02 am
HPLC column and method by A.L.N. MURTHY » Fri Oct 07, 2005 3:33 am	0	2430	Last post by A.L.N. MURTHY Fri Oct 07, 2005 3:33 am
Stability indicating LC method using ELSD by Robotjock » Tue Oct 04, 2005 7:52 pm	5	3758	Last post by Mark Tracy Thu Oct 06, 2005 11:30 pm
questions about the effect of acid on the C18 HPLC column? by shawshark » Wed Oct 05, 2005 10:48 pm	4	5839	Last post by Bill Tindall Thu Oct 06, 2005 11:19 pm
Ultrasil CX by sball » Thu Oct 06, 2005 3:08 pm	1	2837	Last post by tom jupille Thu Oct 06, 2005 3:34 pm
turbulent flow chromatography for medicinal chemistry by smiley » Fri Sep 30, 2005 10:36 pm	10	5192	Last post by HW Mueller Thu Oct 06, 2005 10:37 am
Pentafluorinated phenyl column / quarternary amines by LCFlo » Wed Oct 05, 2005 6:41 pm	1	2976	Last post by SIELC_Tech Thu Oct 06, 2005 2:10 am
Injector clogging problem by KarenJ » Mon Oct 03, 2005 6:29 pm	6	4620	Last post by Mark Tracy Wed Oct 05, 2005 5:15 pm
GPC vs. Plate Count by A_M_ » Tue Oct 04, 2005 7:39 pm	2	4075	Last post by tom jupille Wed Oct 05, 2005 4:40 pm
Need clearification -> column requires Parker end-fitting by h.piatkowski@comalc.com » Mon Oct 03, 2005 4:18 pm	10	8015	Last post by HW Mueller Wed Oct 05, 2005 1:11 pm
What is your column life? by redzilla » Wed Sep 07, 2005 3:43 pm	2	7928	Last post by juddc Tue Oct 04, 2005 7:35 pm
wavy baseline on Waters 2695, checked other forum refs by rich hammond » Wed Sep 21, 2005 6:37 pm	9	12287	Last post by Uwe Neue Mon Oct 03, 2005 11:58 pm
Columns For Sale on ebay by chembot » Wed Sep 21, 2005 9:32 pm	10	7493	Last post by chembot Mon Oct 03, 2005 3:22 pm
Regarding Tailing by mass » Thu Sep 29, 2005 1:35 pm	2	4060	Last post by S.M.PANDYA Mon Oct 03, 2005 10:44 am
interference peak by elizabeth s » Wed Sep 28, 2005 10:53 pm	6	6539	Last post by Uwe Neue Sat Oct 01, 2005 6:41 pm
Dual Liquid Chromatography for LC/MS/MS by Kazimierz » Sat Oct 01, 2005 5:20 pm	0	2816	Last post by Kazimierz Sat Oct 01, 2005 5:20 pm
Tocopherol & Tocotrienol by HPLC by liokmin » Sat Sep 17, 2005 3:19 pm	2	3352	Last post by liokmin Sat Oct 01, 2005 3:36 pm
stability sample analysis by ajaib5 » Sat Sep 24, 2005 4:23 am	5	3758	Last post by infodas Sat Oct 01, 2005 11:53 am
looking for column by smiley » Sat Oct 01, 2005 4:46 am	0	2583	Last post by smiley Sat Oct 01, 2005 4:46 am
SEC Question! by ananda » Fri Sep 30, 2005 4:55 pm	2	3316	Last post by ananda Fri Sep 30, 2005 7:59 pm
Places to buy used HPLC equipment by josebenjamin » Wed Sep 28, 2005 8:17 pm	4	3709	Last post by Consumer Products Guy Fri Sep 30, 2005 4:11 pm
Determining time delay from detector to collection by chichibabin » Thu Sep 29, 2005 3:01 pm	2	3158	Last post by Victor Fri Sep 30, 2005 2:49 pm
how to remove tannic acid by ym3142 » Mon Sep 26, 2005 8:39 pm	2	3053	Last post by ym3142 Fri Sep 30, 2005 2:13 pm
Tamsulosin Hydrochloride by S.M.PANDYA » Fri Sep 30, 2005 10:29 am	0	2468	Last post by S.M.PANDYA Fri Sep 30, 2005 10:29 am
Methanol : ACN by Raj B » Thu Sep 29, 2005 11:27 am	4	3958	Last post by tom jupille Thu Sep 29, 2005 5:48 pm
Dissolution samples in SLS media by jitender » Fri Sep 23, 2005 1:44 pm	12	9061	Last post by Mark Tracy Thu Sep 29, 2005 5:16 pm
van Deemter plots for different particle diameter by adam » Wed Sep 28, 2005 1:21 pm	2	2874	Last post by adam Thu Sep 29, 2005 1:43 pm
Stability indicating method for Esteroids by Raj B » Wed Sep 28, 2005 11:06 am	3	2959	Last post by Alex Buske Thu Sep 29, 2005 1:42 pm
DMSO as Diluent by jan » Wed Sep 07, 2005 9:59 pm	6	5940	Last post by Bill Tindall Thu Sep 29, 2005 2:44 am
Column choice for phenol and organic acids by Karolina » Wed Sep 28, 2005 12:37 pm	4	3514	Last post by Bill Tindall Thu Sep 29, 2005 2:40 am
spe/soil extractions by vestelshirley » Wed Sep 28, 2005 5:26 pm	2	2707	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	2826	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	2832	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	3277	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	3698	Last post by jitender Wed Sep 28, 2005 4:38 pm

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