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	64094	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Waters 2487 - error message 'peak not found' by Neerroo » Fri Sep 23, 2011 6:05 am	4	5378	Last post by Neerroo Wed Oct 05, 2011 12:22 pm
HPLC RT's by brbabu_1979 » Mon Sep 26, 2011 3:34 pm	10	1777	Last post by Alexandre Wed Oct 05, 2011 7:08 am
Analysis of Lysozyme using HPLC by wongyl4985 » Tue Oct 04, 2011 4:02 am	4	2347	Last post by sepscientologist Tue Oct 04, 2011 4:41 pm
Residual sum of squares ICH by ldcarthy » Tue Jul 26, 2011 9:02 am	4	4088	Last post by nonagon Tue Oct 04, 2011 7:49 am
calibration curve and LoQ by gkoksal » Tue Sep 27, 2011 1:36 pm	1	1319	Last post by shahi.hardeep Mon Oct 03, 2011 11:02 pm
exporting importing data for SEC by MestizoJoe » Mon Oct 03, 2011 9:05 pm	0	2153	Last post by MestizoJoe Mon Oct 03, 2011 9:05 pm
WAX-ERLIC by DJ » Sun Oct 02, 2011 1:44 am	1	1304	Last post by Andy Alpert Mon Oct 03, 2011 2:36 pm
Maximum pressures of LC systems/columns - development? by jusuom » Mon Oct 03, 2011 4:03 am	0	1207	Last post by jusuom Mon Oct 03, 2011 4:03 am
peak symetry by jonh29 » Thu Sep 29, 2011 9:05 pm	5	1352	Last post by unmgvar Sat Oct 01, 2011 6:54 pm
Poros (perfusion) columns by adam » Fri Sep 30, 2011 4:09 am	1	1308	Last post by tom jupille Fri Sep 30, 2011 6:37 pm
Ion exchange Sax column by mdiaz » Thu Sep 29, 2011 4:38 pm	1	2064	Last post by tom jupille Fri Sep 30, 2011 6:34 pm
Linearity failure in SEC HPLC of FMDV picornavirus (TSKgel) by mspittel » Mon Sep 12, 2011 5:03 pm	7	2255	Last post by unmgvar Fri Sep 30, 2011 5:26 am
HPLC calculations with external standard by LabHPLC » Thu Sep 29, 2011 11:08 am	1	2852	Last post by tom jupille Thu Sep 29, 2011 2:36 pm
Stability of analytical solutions by Lrv » Wed Sep 21, 2011 6:53 pm	8	8933	Last post by lynzjm Thu Sep 29, 2011 1:08 pm
Restek C8 stability at low pH? by passy » Wed Sep 28, 2011 3:48 am	5	1601	Last post by nschwartz Wed Sep 28, 2011 8:21 pm
stability diphenyl column ? by rick1112 » Mon Sep 19, 2011 11:48 am	3	1391	Last post by XL Wed Sep 28, 2011 6:25 pm
perazine dimaleate HPLC by thekartis » Wed Sep 28, 2011 8:51 am	0	1441	Last post by thekartis Wed Sep 28, 2011 8:51 am
unknown compounds identification based only on MS spectrum by semia » Wed Sep 21, 2011 2:55 pm	13	5644	Last post by james little Mon Nov 21, 2011 8:01 pm
Polymer based NH2 columns by mashtikar » Fri Sep 23, 2011 8:53 am	12	5187	Last post by Andy Alpert Tue Sep 27, 2011 2:46 pm
UV-Vis absorption changes when the cuvette direction changes by thohry » Tue Sep 27, 2011 7:29 am	1	2666	Last post by lmh Tue Sep 27, 2011 9:04 am
LC method for TnBP by miro2009 » Fri Sep 23, 2011 6:51 pm	8	2993	Last post by XL Tue Sep 27, 2011 4:33 am
pH measurement temperature ranges by biochemist » Mon Sep 26, 2011 7:06 am	6	2349	Last post by biochemist Mon Sep 26, 2011 11:22 pm
Preventative Maintence on a Dionex ICS-3000 by Jesterrose » Wed Sep 21, 2011 2:42 pm	1	1346	Last post by jessetc Mon Sep 26, 2011 6:41 pm
xanthan gum by radhika » Mon Sep 26, 2011 5:09 am	2	1783	Last post by radhika Mon Sep 26, 2011 1:00 pm
Disulfiram solution by fatemeh2723 » Sun Sep 25, 2011 2:48 pm	1	1251	Last post by tom jupille Mon Sep 26, 2011 2:59 am
cation exchange chromatography of peptides by bhattharry » Wed Sep 21, 2011 4:01 pm	9	1957	Last post by Andy Alpert Sun Sep 25, 2011 10:05 pm
Agilent 1100 HPLC DAD by MitchHowell » Wed Sep 21, 2011 4:07 pm	4	1838	Last post by KDF Sat Sep 24, 2011 12:42 am
Dissolution problem Clidinium Br and Chlordiazepoxide HCL by phammer » Wed Sep 21, 2011 4:36 am	2	2042	Last post by tom jupille Fri Sep 23, 2011 10:08 pm
method validation for liquid samples and lyophilized product by miro2009 » Fri Sep 23, 2011 6:55 pm	1	1187	Last post by JGK Fri Sep 23, 2011 8:27 pm
Waters 2690 power supply by RhysB » Thu Sep 22, 2011 3:17 am	2	1319	Last post by Peter Skelton Fri Sep 23, 2011 3:43 pm
Help with Degasser by mashtikar » Mon Sep 19, 2011 1:07 pm	4	1645	Last post by lynzjm Fri Sep 23, 2011 10:31 am
Carbaryl stability of analytical solution by Alexandre » Fri Sep 23, 2011 8:20 am	0	1101	Last post by Alexandre Fri Sep 23, 2011 8:20 am
Loss of retension in ion pair chromatography by ether » Wed Sep 21, 2011 11:54 am	1	1130	Last post by tom jupille Thu Sep 22, 2011 1:59 am
Nexera uHPLC (LC-30AD) by jusuom » Tue Jun 28, 2011 6:50 am	5	1803	Last post by Rob Burgess Wed Sep 21, 2011 8:34 am
plasma sample by koifreak » Sat Jul 30, 2011 4:04 am	4	1319	Last post by chromeleon Tue Sep 20, 2011 4:30 pm
HPLC or UHPLC? by adrs211 » Sun Sep 18, 2011 8:40 pm	2	1463	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	2646	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	4465	Last post by unmgvar Mon Sep 19, 2011 11:28 am
Lichrospher vs Lichroprep by khaloule » Fri Sep 16, 2011 12:00 pm	3	1299	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	1258	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	1402	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	1665	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	1914	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	3550	Last post by lynzjm Fri Sep 16, 2011 3:19 pm
Stability Indicating Assay by adrs211 » Wed Sep 14, 2011 12:57 am	5	1334	Last post by Sallybeetle Fri Sep 16, 2011 1:43 pm
New HPLC by MOAPRO » Tue Sep 13, 2011 4:13 am	7	1688	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	2645	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	10019	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	2657	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	1971	Last post by lynzjm Thu Sep 15, 2011 1:55 pm

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