Liquid Chromatography

Forum	Topics	Posts	Last post
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

Post a new topic

11916 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	83510	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Dual use of HPLC system for DAD and MS detection by Edde » Tue Oct 04, 2011 4:43 pm	10	2271	Last post by carls Fri Oct 07, 2011 2:17 pm
Ion Exchange- Equib times? by LC_addict » Wed Oct 05, 2011 3:10 pm	2	1369	Last post by Markus Laeubli, Metrohm Fri Oct 07, 2011 8:27 am
In-direct UV/Ion Exchange Chromo Problems!! by LC_addict » Wed Oct 05, 2011 7:38 am	4	1348	Last post by Markus Laeubli, Metrohm Fri Oct 07, 2011 8:18 am
Peak in the blank-please help by Sarah1233 » Mon Oct 03, 2011 8:20 pm	14	1850	Last post by Sarah1233 Thu Oct 06, 2011 10:39 pm
HPLC Pesticide Column by SamC489 » Thu Sep 29, 2011 2:44 pm	3	1594	Last post by Russ Thu Oct 06, 2011 9:21 pm
normal phase LC-MS additives by hfredricks » Tue Oct 04, 2011 2:47 pm	4	2383	Last post by hfredricks Thu Oct 06, 2011 5:28 pm
How to report amount below LOQ in precision table? by krisradh1432 » Tue Oct 04, 2011 9:38 am	4	2518	Last post by JGK Wed Oct 05, 2011 8:14 pm
RI Detector Energy by HPLC_Help » Mon Oct 03, 2011 6:57 pm	2	1309	Last post by tom jupille Wed Oct 05, 2011 6:40 pm
What is overlay injections? by satyam_qa » Sun Oct 02, 2011 6:14 am	4	6735	Last post by KDF Wed Oct 05, 2011 5:27 pm
Fractionation with silica..whats this called SEC?? by seamoro » Wed Oct 05, 2011 11:05 am	2	1483	Last post by KDF Wed Oct 05, 2011 4:37 pm
Waters 2487 - error message 'peak not found' by Neerroo » Fri Sep 23, 2011 6:05 am	4	5501	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	1837	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	2417	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	4185	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	1360	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	2208	Last post by MestizoJoe Mon Oct 03, 2011 9:05 pm
WAX-ERLIC by DJ » Sun Oct 02, 2011 1:44 am	1	1359	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	1252	Last post by jusuom Mon Oct 03, 2011 4:03 am
peak symetry by jonh29 » Thu Sep 29, 2011 9:05 pm	5	1403	Last post by unmgvar Sat Oct 01, 2011 6:54 pm
Poros (perfusion) columns by adam » Fri Sep 30, 2011 4:09 am	1	1363	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	2143	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	2320	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	2983	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	9237	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	1672	Last post by nschwartz Wed Sep 28, 2011 8:21 pm
stability diphenyl column ? by rick1112 » Mon Sep 19, 2011 11:48 am	3	1453	Last post by XL Wed Sep 28, 2011 6:25 pm
perazine dimaleate HPLC by thekartis » Wed Sep 28, 2011 8:51 am	0	1490	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	5808	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	5306	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	2886	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	3094	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	2454	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	1427	Last post by jessetc Mon Sep 26, 2011 6:41 pm
xanthan gum by radhika » Mon Sep 26, 2011 5:09 am	2	1841	Last post by radhika Mon Sep 26, 2011 1:00 pm
Disulfiram solution by fatemeh2723 » Sun Sep 25, 2011 2:48 pm	1	1313	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	2061	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	1912	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	2159	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	1263	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	1370	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	1757	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	1158	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	1193	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	1868	Last post by Rob Burgess Wed Sep 21, 2011 8:34 am
plasma sample by koifreak » Sat Jul 30, 2011 4:04 am	4	1380	Last post by chromeleon Tue Sep 20, 2011 4:30 pm
HPLC or UHPLC? by adrs211 » Sun Sep 18, 2011 8:40 pm	2	1509	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	2742	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	4517	Last post by unmgvar Mon Sep 19, 2011 11:28 am
Lichrospher vs Lichroprep by khaloule » Fri Sep 16, 2011 12:00 pm	3	1358	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	1306	Last post by tom jupille Sat Sep 17, 2011 2:19 pm

Post a new topic

11916 topics

Return to Board Index

Who is online

In total there are 16 users online :: 3 registered, 0 hidden and 13 guests (based on users active over the past 5 minutes)
Most users ever online was 11462 on Mon Dec 08, 2025 9:32 pm

Users browsing this forum: Ahrefs [Bot], Google [Bot], Semrush [Bot] and 13 guests

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Latest Blog Posts from Separation Science

Separation Science offers free learning from the experts covering methods, applications, webinars, eSeminars, videos, tutorials for users of liquid chromatography, gas chromatography, mass spectrometry, sample preparation and related analytical techniques.

Subscribe to our eNewsletter with daily, weekly or monthly updates: Food & Beverage, Environmental, (Bio)Pharmaceutical, Bioclinical, Liquid Chromatography, Gas Chromatography and Mass Spectrometry.

Gas Chromatography

Mass Spectrometry

Related Sites

Separation Science

Analytical Training Solutions

Registration

Log in

Part of Separation Science