Liquid Chromatography

Forum	Topics	Posts	Last post
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

Post a new topic

11906 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62749	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Strange baseline disturbance ionpair-RP method by Mattias » Wed Feb 04, 2009 7:15 am	9	3131	Last post by Bruce Hamilton Thu Feb 05, 2009 6:53 pm
agilent detectors by scio2 » Sat Jan 31, 2009 5:03 am	14	11773	Last post by HW Mueller Thu Feb 05, 2009 4:29 pm
RRF by pradip » Thu Feb 05, 2009 6:12 am	1	2242	Last post by tom jupille Thu Feb 05, 2009 3:16 pm
brassinosteroids by jongf » Tue Feb 03, 2009 9:27 pm	2	2150	Last post by lmh Thu Feb 05, 2009 9:57 am
Amino column separation reproducability by benzech » Wed Feb 04, 2009 5:21 pm	6	1961	Last post by lmh Thu Feb 05, 2009 9:56 am
Decrease in Retention Time? by TNA » Wed Jan 28, 2009 2:52 am	25	4170	Last post by HW Mueller Wed Feb 04, 2009 6:00 pm
Column Bleed? by wan » Mon Feb 02, 2009 3:29 am	3	2568	Last post by tom jupille Wed Feb 04, 2009 3:47 pm
Predicting Backpressure from columns by Pierre » Sun Feb 01, 2009 5:00 pm	3	1873	Last post by Bryan Evans Wed Feb 04, 2009 2:39 pm
High Temperature SEC chromatography by wrighty » Tue Feb 03, 2009 1:22 pm	3	1519	Last post by Uwe Neue Wed Feb 04, 2009 1:48 pm
Triclosan Repeatability and reproducibility by nageshwar » Tue Jan 27, 2009 7:42 am	6	1863	Last post by nageshwar Wed Feb 04, 2009 1:04 pm
devcd information? by pipettemonkey » Wed Feb 04, 2009 3:40 am	1	1458	Last post by Kostas Petritis Wed Feb 04, 2009 5:09 am
Fluoroquinones in soil: extraction? by jbshan » Mon Feb 02, 2009 6:10 am	1	1485	Last post by laserman Mon Feb 02, 2009 7:32 am
Analysis of brewer's yeast tablet by zlb215 » Mon Jan 05, 2009 3:18 pm	1	1649	Last post by Don_Hilton Mon Feb 02, 2009 5:02 am
Base Deactivated silica?? by rick1112 » Wed Jan 28, 2009 4:30 am	12	5695	Last post by danko Sun Feb 01, 2009 2:00 pm
Need help, splited peak and SDS by zeq » Thu Jan 08, 2009 1:19 pm	34	5760	Last post by XL Sun Feb 01, 2009 6:12 am
blank peaks by RAMESH JANGA » Sat Jan 31, 2009 5:29 am	2	1784	Last post by zokitano Sat Jan 31, 2009 2:44 pm
Calculating relative response factors for impurities by mikea » Fri Jan 30, 2009 1:03 am	4	3745	Last post by mikea Sat Jan 31, 2009 4:54 am
Possible problems with Hexane in NP HPLC by aalbre » Thu Jan 15, 2009 9:04 am	8	6136	Last post by HPLCCONSULT Fri Jan 30, 2009 2:26 pm
analysis of ethylene glycol by martinamarie » Fri Jan 30, 2009 12:18 am	1	1468	Last post by Uwe Neue Fri Jan 30, 2009 12:26 am
Residaul allylamine by mojo » Thu Jan 29, 2009 10:42 pm	0	1198	Last post by mojo Thu Jan 29, 2009 10:42 pm
Hplc Related Substances Problem (Accuracy, Linearity & R by seamoro » Thu Jan 29, 2009 11:41 am	4	2001	Last post by Bruce Hamilton Thu Jan 29, 2009 6:53 pm
is it normal to have splitted peaks on ELSD? by chromlc » Thu Jan 22, 2009 11:53 pm	2	2507	Last post by HPLCCONSULT Thu Jan 29, 2009 2:53 pm
Rotary Valve Injector by hplc1973 » Wed Jan 28, 2009 1:34 pm	4	2443	Last post by skunked_once Wed Jan 28, 2009 8:52 pm
waters 991 PDA by jongf » Wed Jan 28, 2009 4:30 pm	2	1370	Last post by juddc Wed Jan 28, 2009 8:22 pm
Detector by hplc1973 » Wed Jan 28, 2009 1:06 pm	1	1239	Last post by unmgvar Wed Jan 28, 2009 4:34 pm
High Recovery by kris2009 » Sun Jan 25, 2009 5:27 am	15	2722	Last post by kris2009 Tue Jan 27, 2009 5:22 pm
Prefeerences for chromatography DOE software by reyoungs » Tue Jan 13, 2009 2:09 am	3	1683	Last post by juddc Tue Jan 27, 2009 5:17 pm
Calculate HETP on a linear gradient by blaise5669 » Thu Jan 22, 2009 5:52 pm	4	2873	Last post by Uwe Neue Mon Jan 26, 2009 11:36 pm
Acetonitrile substitute by aceto_81 » Fri Jan 16, 2009 12:33 pm	6	4652	Last post by pipettemonkey Mon Jan 26, 2009 7:47 pm
Information about chemstation by shahis77 » Mon Jan 26, 2009 5:59 pm	1	2934	Last post by lmh Tue Jan 27, 2009 5:22 pm
looking for chromatograms by Forss » Mon Jan 26, 2009 10:29 am	1	1507	Last post by krickos Mon Jan 26, 2009 10:44 am
How standard degradation can affect sample recoveries by mohan_2008 » Fri Jan 23, 2009 1:38 am	11	2534	Last post by danko Sun Jan 25, 2009 10:34 am
pressure problem with 1%THF in 2,2,4-Trimethylpentane by Lyser » Fri Jan 23, 2009 10:44 am	2	1370	Last post by Bruce Hamilton Sat Jan 24, 2009 10:48 pm
Selegiline Assay by gurkishan » Fri Jan 23, 2009 5:31 pm	0	1194	Last post by gurkishan Fri Jan 23, 2009 5:31 pm
how do you get naquadria by pipettemonkey » Thu Jan 22, 2009 6:00 pm	2	1363	Last post by Kostas Petritis Fri Jan 23, 2009 4:34 pm
Which GPC to buy? by Leticia » Wed Jan 21, 2009 3:53 pm	4	1954	Last post by unmgvar Fri Jan 23, 2009 11:09 am
Relative Response Factor by addy » Mon Jan 19, 2009 3:31 am	3	1741	Last post by tom jupille Thu Jan 22, 2009 6:51 pm
Acetonitrile in Iron Drums by meger » Wed Jan 21, 2009 6:58 pm	1	1461	Last post by danko Thu Jan 22, 2009 11:11 am
evaporation in a freezer? by bert » Wed Jan 21, 2009 2:02 pm	2	1596	Last post by Peter Apps Wed Jan 21, 2009 2:47 pm
Advice on paraben method by chemgeek » Tue Jan 13, 2009 6:40 pm	6	1962	Last post by chemgeek Wed Jan 21, 2009 1:32 pm
Teap 2.3 buffer stability: Datas or justifications exist? by razabal » Wed Jan 21, 2009 1:16 pm	0	1256	Last post by razabal Wed Jan 21, 2009 1:16 pm
The intensity test on UV detector (HPLC 1100 agilent) felt by Van Minh » Tue Jan 20, 2009 4:12 pm	2	2233	Last post by Bruce Hamilton Wed Jan 21, 2009 4:22 am
Ammonium acetate linearity problem by mojo » Tue Jan 20, 2009 9:25 pm	2	1495	Last post by mohan_2008 Wed Jan 21, 2009 2:21 am
Peak Area decrease by KAR10 » Tue Jan 20, 2009 4:23 pm	0	1292	Last post by KAR10 Tue Jan 20, 2009 4:23 pm
Relative Retention Time by Garlarg » Tue Jan 20, 2009 1:43 pm	2	6709	Last post by Garlarg Wed Apr 08, 2009 7:18 am
what could be the cause for the area increase? by vliu » Thu Jan 08, 2009 12:42 pm	13	8569	Last post by danko Tue Jan 20, 2009 12:24 pm
Check valve or active check valve? by zlb215 » Mon Jan 19, 2009 12:57 am	2	5228	Last post by lmh Mon Jan 19, 2009 10:43 am
Lidocaine on Xterra vs Symmetry column by adam » Thu Jan 15, 2009 6:29 pm	8	3170	Last post by HW Mueller Mon Jan 19, 2009 9:32 am
Forced degradation by addy » Thu Jan 08, 2009 3:19 am	3	2693	Last post by adam Sun Jan 18, 2009 10:46 pm
chromatofocusing questions by diablo » Mon Jan 12, 2009 9:00 pm	4	2919	Last post by diablo Sat Jan 17, 2009 10:56 pm

Post a new topic

11906 topics

Return to Board Index

Who is online

In total there are 15 users online :: 1 registered, 0 hidden and 14 guests (based on users active over the past 5 minutes)
Most users ever online was 4374 on Fri Oct 03, 2025 12:41 am

Users browsing this forum: Bing [Bot] and 14 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