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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11923 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	125229	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Nexera uHPLC (LC-30AD) by jusuom » Tue Jun 28, 2011 6:50 am	5	1965	Last post by Rob Burgess Wed Sep 21, 2011 8:34 am
plasma sample by koifreak » Sat Jul 30, 2011 4:04 am	4	1471	Last post by chromeleon Tue Sep 20, 2011 4:30 pm
HPLC or UHPLC? by adrs211 » Sun Sep 18, 2011 8:40 pm	2	1600	Last post by nonagon Tue Sep 20, 2011 7:00 am
Conductivity detector for HPLC by silber » Sun Sep 18, 2011 12:55 pm	2	2893	Last post by Consumer Products Guy Mon Sep 19, 2011 9:45 pm
Replacement / Alternate methods - Need Guidance by HPLCer » Fri Sep 16, 2011 11:55 am	4	4611	Last post by unmgvar Mon Sep 19, 2011 11:28 am
Lichrospher vs Lichroprep by khaloule » Fri Sep 16, 2011 12:00 pm	3	1445	Last post by Gerhard Kratz Mon Sep 19, 2011 8:39 am
Heparin or Cytrate samples for aminoacid HPLC by dragosb » Tue Sep 13, 2011 2:36 pm	1	1394	Last post by tom jupille Sat Sep 17, 2011 2:19 pm
UHPLC/HPLC detectors by RhysB » Fri Sep 16, 2011 5:21 am	3	1631	Last post by unmgvar Sat Sep 17, 2011 1:14 pm
When to ad internal standard by dragosb » Wed Sep 14, 2011 2:47 pm	5	1829	Last post by Don_Hilton Fri Sep 16, 2011 9:03 pm
Material on the history of HPLC? by jusuom » Fri Sep 16, 2011 1:42 pm	2	2086	Last post by Robert Classon Fri Sep 16, 2011 7:39 pm
ELSD vs CAD by Sallybeetle » Wed Sep 14, 2011 6:45 pm	7	4254	Last post by lynzjm Fri Sep 16, 2011 3:19 pm
Stability Indicating Assay by adrs211 » Wed Sep 14, 2011 12:57 am	5	1471	Last post by Sallybeetle Fri Sep 16, 2011 1:43 pm
New HPLC by MOAPRO » Tue Sep 13, 2011 4:13 am	7	1823	Last post by Hfranz Fri Sep 16, 2011 11:24 am
Guard columns and method validation by miro2009 » Tue Sep 13, 2011 7:29 pm	7	2867	Last post by miro2009 Fri Sep 16, 2011 7:56 am
HPLC for home use by Boolie » Wed May 11, 2011 5:17 pm	33	10788	Last post by spencer Fri Sep 16, 2011 2:37 am
Dionex Column = Dionex System?? by HPLC_Help » Mon Jul 18, 2011 3:16 pm	12	2824	Last post by DR Thu Sep 15, 2011 8:11 pm
Alltech 800 ELSD - HP1050 Chemstation by ghum@sialco.com » Tue Aug 30, 2011 7:28 pm	6	2122	Last post by lynzjm Thu Sep 15, 2011 1:55 pm
How to present chromatogram for Related substances method by vijji21g » Fri Sep 09, 2011 3:04 pm	2	1982	Last post by Sallybeetle Wed Sep 14, 2011 7:02 pm
NaOH and Duran borosilicate - a safe combination for HPLC? by lc_k » Fri Sep 02, 2011 8:23 am	3	2216	Last post by Mattias Wed Sep 14, 2011 7:26 am
looking for simulated software in environmental study by Newchromatographer » Mon Aug 29, 2011 11:35 am	4	1620	Last post by tom jupille Tue Sep 13, 2011 6:27 pm
What is the cause of this baseline step by Mike H. » Thu Sep 01, 2011 5:50 pm	21	3223	Last post by Mike H. Tue Sep 13, 2011 1:59 pm
TLC: Rf value of 0 using 90/10 acetone/hexane by seamoro » Tue Sep 13, 2011 6:58 am	1	2889	Last post by Don_Hilton Tue Sep 13, 2011 11:27 am
Use of Dimethylformamide by sharma » Thu Sep 08, 2011 9:52 am	3	1920	Last post by sharma Tue Sep 13, 2011 10:22 am
Urgent :Equivalent column for Acclaim Mixed-Mode WAX-1 by anjie » Fri Sep 09, 2011 2:51 pm	6	3714	Last post by Kelly Johnson Tue Sep 13, 2011 12:57 am
internal standard for organophosphate by Etox » Sun Sep 11, 2011 4:55 am	1	1892	Last post by carls Mon Sep 12, 2011 2:34 pm
Metrohm Help Needed by Jesterrose » Sat Sep 10, 2011 1:50 am	1	1377	Last post by Markus Laeubli, Metrohm Mon Sep 12, 2011 1:53 pm
Stability-indicating method for coal tar by tpekol » Fri Sep 09, 2011 3:29 pm	1	1208	Last post by Consumer Products Guy Mon Sep 12, 2011 1:44 pm
method validation: specificity by adeerre » Mon Sep 12, 2011 12:53 pm	0	1259	Last post by adeerre Mon Sep 12, 2011 12:53 pm
GC, LC, MS users/experts wanted by adepalma » Sun Sep 11, 2011 3:13 pm	0	1489	Last post by adepalma Sun Sep 11, 2011 3:13 pm
Solid phase extraction (SPE) by Sarah1233 » Sun Sep 11, 2011 8:57 am	1	4480	Last post by Vlad Orlovsky Sun Sep 11, 2011 1:02 pm
Waters 2695: Odd issue with pressure fluctuations by juddc » Thu Sep 08, 2011 8:31 pm	4	3262	Last post by juddc Fri Sep 09, 2011 8:46 pm
Hi pressure in HP 1090 by faris » Fri Sep 09, 2011 7:28 pm	1	1408	Last post by nschwartz Fri Sep 09, 2011 8:05 pm
agilent 1100 series autosampler sample transport problems. by Phillhere » Thu Aug 25, 2011 8:55 pm	1	2209	Last post by Gilson_PLC2020 Fri Sep 09, 2011 3:28 pm
Effect of Peak RT on Area by shamitakohli » Wed Aug 31, 2011 11:23 am	10	3276	Last post by Gilson_PLC2020 Fri Sep 09, 2011 3:16 pm
a negative peak in anion determination by ion chromatography by sofia babanova » Thu Aug 25, 2011 7:37 am	5	3227	Last post by ivanvins Fri Sep 09, 2011 2:26 pm
Help Please, Urgent by wildfish » Mon Aug 08, 2011 1:30 pm	8	1500	Last post by sepscientologist Thu Sep 08, 2011 10:17 pm
Looking for prtocole for Chromsystems Vitamines B1 and B6 by dragosb » Wed Sep 07, 2011 3:26 pm	1	1236	Last post by unmgvar Thu Sep 08, 2011 2:07 pm
Liquinox in LC by diliplakkad » Tue Sep 06, 2011 2:00 am	3	1617	Last post by rhartwick Wed Sep 07, 2011 11:12 pm
Separation problem in an isocratic method by usuchrom » Mon Sep 05, 2011 10:26 am	2	1839	Last post by unmgvar Wed Sep 07, 2011 8:27 pm
Column lifetime by DaveM » Mon Aug 02, 2010 8:11 am	22	8641	Last post by Klaus I. Wed Sep 07, 2011 4:36 pm
Retention of sulfosuccinic acid by Mattias » Tue Aug 30, 2011 8:58 am	12	2310	Last post by Vlad Orlovsky Wed Sep 07, 2011 3:14 pm
Repoeting of LOQ by Juan2011 » Tue Sep 06, 2011 3:48 pm	3	1575	Last post by lmh Wed Sep 07, 2011 1:18 pm
Separation in fluoroflash column by evim » Wed Sep 07, 2011 1:09 pm	0	1254	Last post by evim Wed Sep 07, 2011 1:09 pm
Peak split by sfu » Mon Sep 05, 2011 5:45 am	7	2037	Last post by unmgvar Wed Sep 07, 2011 10:20 am
Column Selectivity Comparison: USP vs. PQRI databases by Rob Burgess » Tue Sep 06, 2011 1:34 pm	1	3364	Last post by pharmaguy Tue Sep 06, 2011 4:09 pm
Issue with detector? by Areaus » Thu Sep 01, 2011 3:22 pm	2	1459	Last post by Kwet80 Tue Sep 06, 2011 3:41 pm
what's the purpose of the integration parameter "force peak" by sekhar.raj988 » Tue Sep 06, 2011 6:12 am	1	3539	Last post by DR Tue Sep 06, 2011 12:51 pm
Sudden SELECTIVE peak TAILING (carbohydrates)!? by lc_k » Fri Aug 19, 2011 5:04 pm	18	2706	Last post by lc_k Tue Sep 06, 2011 11:07 am
Do you know Agela Technologies? by usuchrom » Tue Aug 30, 2011 7:34 am	3	2048	Last post by usuchrom Mon Sep 05, 2011 9:40 am
DAB by HPLC by Perreman » Thu Sep 01, 2011 9:30 am	4	1830	Last post by Perreman Fri Sep 02, 2011 1:35 pm

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