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	125209	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Did I ruin my column? Superdex 75 - 10/300 above max press. by WuShock » Tue Nov 25, 2008 11:45 pm	4	3223	Last post by Mattias Thu Nov 27, 2008 8:28 am
amino acids analysis by ollysa » Tue Nov 11, 2008 6:26 pm	7	2462	Last post by JOCAPEN Wed Nov 26, 2008 11:18 pm
method validation - 2 external calibration curves? by sunnysideup » Mon Nov 24, 2008 6:52 pm	5	2028	Last post by Consumer Products Guy Tue Nov 25, 2008 3:59 pm
HPLC method for analysis of pseudo, dex and chlor by Analyst1 » Mon Nov 24, 2008 4:29 pm	1	1688	Last post by SIELC_Tech Mon Nov 24, 2008 9:55 pm
method development by uppala » Mon Nov 10, 2008 3:20 pm	6	2229	Last post by Jade.Barker Mon Nov 24, 2008 6:06 pm
Storage solvent for Shodex KC 811 column by John R. Carver » Fri Nov 14, 2008 3:27 pm	2	1974	Last post by Jade.Barker Mon Nov 24, 2008 6:01 pm
What did Tsvet (Tswett) Do? - R.E. column adsorption by dkreller » Thu Nov 20, 2008 1:31 pm	9	2817	Last post by Uwe Neue Sat Nov 22, 2008 4:42 pm
Aluminium oxide chromatography problem by mlh_pep » Fri Nov 21, 2008 6:55 am	3	3453	Last post by mlh_pep Sat Nov 22, 2008 8:39 am
SEC method for determination of tween by kishoreravuri » Fri Nov 21, 2008 12:08 pm	1	1528	Last post by Bryan Evans Fri Nov 21, 2008 5:57 pm
Pump cal failed by lcrandall » Fri Oct 31, 2008 6:14 pm	8	3122	Last post by lcrandall Fri Nov 21, 2008 3:08 pm
hplc detector....which is the best? by che313 » Sat Nov 15, 2008 9:53 am	7	3198	Last post by detox Fri Nov 21, 2008 5:35 am
Agilent 1200 baseline puzzle! by derboyl » Fri Oct 31, 2008 11:05 am	6	3425	Last post by detox Fri Nov 21, 2008 4:43 am
HPLC 1090 Communications by Peter J Joyce » Wed Nov 19, 2008 11:07 pm	3	1967	Last post by Peter J Joyce Fri Nov 21, 2008 12:30 am
Is ammonium bicarbonate volatile ? by PHOBIUS » Wed Nov 19, 2008 10:46 am	7	6604	Last post by Uwe Neue Thu Nov 20, 2008 5:16 pm
peaks eluting within column dead time by CPR » Thu Nov 06, 2008 9:32 pm	8	5349	Last post by CPR Thu Nov 20, 2008 2:42 pm
Linearity by d.telaro » Tue Nov 11, 2008 2:31 pm	2	1717	Last post by jbshan Thu Nov 20, 2008 8:23 am
Interference Using PDA and fluorescence detectors in series by Gregory McLaughlin » Mon Nov 10, 2008 11:17 pm	28	4677	Last post by Uwe Neue Wed Nov 19, 2008 8:04 pm
study of liposomes' size by imensaad » Mon Nov 17, 2008 4:04 pm	1	1266	Last post by Slammy1 Wed Nov 19, 2008 7:10 pm
Accuracy and Precision by thohry » Mon Nov 17, 2008 3:01 am	9	2586	Last post by lmh Wed Nov 19, 2008 6:02 pm
SEC in de-ionized water by kishoreravuri » Wed Nov 19, 2008 12:41 pm	4	1421	Last post by danko Wed Nov 19, 2008 4:23 pm
Folic Acid by alex007 » Tue Nov 18, 2008 9:24 pm	1	1314	Last post by oscarBAL Wed Nov 19, 2008 2:42 pm
Dead Time Measurements of Custom-Packed Columns by dkreller » Mon Nov 17, 2008 10:36 pm	14	2308	Last post by Uwe Neue Tue Nov 18, 2008 11:34 pm
Dionex technical note 45 by joelyue » Tue Nov 18, 2008 8:44 am	1	1520	Last post by Jeff Rohrer Tue Nov 18, 2008 11:04 pm
Quantitation by Full DAD? by tatep » Tue Nov 11, 2008 2:08 pm	4	1557	Last post by HPLCCONSULT Tue Nov 18, 2008 6:45 pm
HILIC or IEX better for protein digest? by diablo » Sun Nov 16, 2008 7:48 pm	3	1524	Last post by diablo Mon Nov 17, 2008 6:46 pm
DSC data by mk12 » Mon Nov 17, 2008 5:43 pm	1	1448	Last post by Uwe Neue Mon Nov 17, 2008 6:14 pm
Simplex optimization by Kimico » Mon Nov 17, 2008 2:59 pm	1	1410	Last post by JGK Mon Nov 17, 2008 4:30 pm
Dionex AS50 autosampler advice by randy » Tue Nov 11, 2008 2:17 pm	3	2376	Last post by jmbrewer Sun Nov 16, 2008 7:24 pm
Development of a Mercaptopurine method by KarenJ » Tue Nov 11, 2008 9:47 pm	2	2138	Last post by SIELC_Tech Fri Nov 14, 2008 4:13 pm
problem with flow rate by aman » Tue Nov 11, 2008 1:51 pm	13	4386	Last post by Slammy1 Fri Nov 14, 2008 2:57 pm
equilibrate/ condition by chromochat » Tue Nov 04, 2008 4:10 pm	8	10031	Last post by aceto_81 Fri Nov 14, 2008 10:03 am
Chemically digested nitrogen samples and IC? by LVT » Wed Nov 12, 2008 12:00 pm	4	2213	Last post by CE Instruments Thu Nov 13, 2008 3:47 pm
robustness test by sunnysideup » Wed Nov 05, 2008 7:01 pm	4	2460	Last post by Slammy1 Wed Nov 12, 2008 9:21 pm
Detector outlet connected to pump overflow by WK » Wed Nov 12, 2008 9:58 am	1	1416	Last post by Jade.Barker Wed Nov 12, 2008 6:07 pm
JP plate count by chromochat » Tue Nov 11, 2008 8:36 pm	2	2369	Last post by chromochat Wed Nov 12, 2008 2:25 pm
Varian Galaxie/ProStar HPLC Injection Problem by DSV » Mon Oct 27, 2008 9:04 am	5	3405	Last post by DSV Wed Nov 12, 2008 1:15 pm
How to increase retention in C18 Flash Cartridge? by Alireza » Tue Oct 28, 2008 12:59 pm	5	1962	Last post by goxy43 Tue Nov 11, 2008 8:14 am
purging injector by chromochat » Mon Nov 10, 2008 10:01 pm	1	1799	Last post by tom jupille Mon Nov 10, 2008 11:40 pm
Waters HPLC and Accq-Tag- Serious help! by ekgibson » Fri Nov 07, 2008 8:50 pm	7	5785	Last post by Uwe Neue Mon Nov 10, 2008 9:16 pm
Agilent method development system by mojo » Mon Nov 10, 2008 10:27 am	0	1440	Last post by mojo Mon Nov 10, 2008 10:27 am
forced degradation questions by olivia » Sun Nov 09, 2008 11:38 pm	1	1535	Last post by krickos Mon Nov 10, 2008 9:42 am
Use of Wide bore columns in reverse phase hplc analysis by Santosh Gandhi » Thu Oct 23, 2008 4:34 pm	3	2101	Last post by danko Sun Nov 09, 2008 12:47 am
What block the Waters 1525 binary pump by wxmwqr » Fri Nov 07, 2008 3:18 pm	4	1686	Last post by Bruce Hamilton Sat Nov 08, 2008 9:16 pm
Segmented gradients by Santosh Gandhi » Sat Nov 08, 2008 4:22 pm	2	1437	Last post by Bruce Hamilton Sat Nov 08, 2008 8:07 pm
pH measurement by using HPLC 8543 and UV 1601 by Olivine » Thu Nov 06, 2008 10:05 am	7	2087	Last post by Bruce Hamilton Fri Nov 07, 2008 10:18 pm
Negative peak in LC by jameslizh » Tue Nov 04, 2008 7:06 pm	3	1613	Last post by tom jupille Fri Nov 07, 2008 5:42 pm
Small peak problem by mijnadarian » Wed Nov 05, 2008 11:25 pm	5	1832	Last post by unmgvar Fri Nov 07, 2008 4:45 pm
PEEK UPLC needle and DMSO by aceto_81 » Wed Nov 05, 2008 8:09 am	3	2387	Last post by aceto_81 Fri Nov 07, 2008 1:59 pm
UPLC Columns by chromochat » Mon Nov 03, 2008 2:27 pm	7	2480	Last post by Steph5217 Fri Nov 07, 2008 12:37 pm
HP 1090 Operating Manual by P Joyce » Thu Nov 06, 2008 8:01 pm	2	2133	Last post by mlsabe Fri Nov 07, 2008 12:14 am

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