Liquid Chromatography

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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

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11917 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	85045	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Can I stwich between buffers in 5min in my program? by moonchips » Thu Dec 06, 2007 7:12 pm	13	4057	Last post by danko Tue Dec 11, 2007 10:55 pm
Waters Atlantis columns vs Phenomenex Synergi Polar by adam » Mon Dec 10, 2007 9:49 pm	1	2422	Last post by Uwe Neue Tue Dec 11, 2007 2:36 am
IC method for MSA and BSA? by duantech » Sat Oct 13, 2007 3:36 pm	5	3654	Last post by JMadden Tue Dec 11, 2007 12:07 am
HPLC & FT_NIR by SRINIVASAN » Sun Dec 09, 2007 11:36 am	3	2226	Last post by yangz00g Mon Dec 10, 2007 9:04 pm
replacement Anion exchange column for Pharmacia MONO Q by grrr_aham » Mon Dec 10, 2007 3:02 pm	1	2498	Last post by danko Mon Dec 10, 2007 8:07 pm
RPLC: polymeric VS monomeric and C18 VS C30 by yhan » Thu Dec 06, 2007 7:58 am	2	2857	Last post by adam Mon Dec 10, 2007 5:40 pm
Mystery peak showing up in Atropine Assay by KarenJ » Fri Dec 07, 2007 9:01 pm	4	2475	Last post by AdrianF Mon Dec 10, 2007 3:00 pm
weird thing,please help by creageng » Sun Dec 09, 2007 2:36 am	1	1751	Last post by tom jupille Sun Dec 09, 2007 11:34 pm
A,C,D3 Vitamins by erolet » Sun Dec 09, 2007 9:47 pm	1	1658	Last post by Uwe Neue Sun Dec 09, 2007 11:27 pm
Area under peak by anjali » Sat Dec 08, 2007 7:43 am	1	1548	Last post by tom jupille Sun Dec 09, 2007 1:21 am
Please Help...Reproducability Problems by KHall » Thu Dec 06, 2007 11:10 pm	2	1658	Last post by juddc Fri Dec 07, 2007 5:12 pm
Prep Scale Columns by HUH? » Thu Nov 29, 2007 5:03 pm	1	1863	Last post by Chris0000 Fri Dec 07, 2007 10:49 am
DAC column packing problems by moon704520 » Wed Dec 05, 2007 3:57 pm	5	2039	Last post by moon704520 Fri Dec 07, 2007 1:16 am
Could you help to get polar product eluting out? by moonchips » Mon Dec 03, 2007 5:33 pm	5	1964	Last post by moonchips Thu Dec 06, 2007 7:39 pm
PERSISTENT GHOST PEAK NEED HELP! by ARM » Sun Nov 11, 2007 10:07 pm	20	6760	Last post by HW Mueller Thu Dec 06, 2007 4:32 pm
Retention on PEEK? by Mattias » Tue Dec 04, 2007 8:01 am	11	2788	Last post by Mattias Thu Dec 06, 2007 8:40 am
interested in the production process of silica and RP-silica by moon704520 » Tue Dec 04, 2007 12:15 pm	4	1888	Last post by SIELC_Tech Wed Dec 05, 2007 11:37 pm
TPGS by shuimu » Wed Nov 28, 2007 5:05 pm	4	2459	Last post by JGK Wed Dec 05, 2007 9:52 pm
triclosan analysis by olivia » Sun Dec 02, 2007 2:39 pm	2	3738	Last post by olivia Tue Dec 04, 2007 11:36 pm
Method variation?? by rick1112 » Tue Dec 04, 2007 6:45 am	0	1482	Last post by rick1112 Tue Dec 04, 2007 6:45 am
a:b and b:c unsaturated esters by Aerial » Mon Dec 03, 2007 10:08 pm	1	1475	Last post by ym3142 Tue Dec 04, 2007 3:43 am
will large volume DMSO hurt my preparative scale column by moon704520 » Mon Dec 03, 2007 12:47 pm	2	2111	Last post by Uwe Neue Tue Dec 04, 2007 12:12 am
t-Boc amino acid chiral separation by gseres » Thu Nov 29, 2007 4:44 pm	1	2154	Last post by JA Mon Dec 03, 2007 8:25 pm
Late eluting peaks Spiltting by rc_12321 » Thu Nov 22, 2007 2:05 pm	10	4405	Last post by jthornburg Mon Dec 03, 2007 6:07 pm
How to trouble shooting none peaks by creageng » Wed Nov 28, 2007 4:44 am	5	2852	Last post by tom jupille Sat Dec 01, 2007 7:57 pm
What is "throw time" by firework1 » Fri Nov 30, 2007 10:27 pm	1	1782	Last post by tom jupille Sat Dec 01, 2007 7:54 pm
what is different between empower software and Chemstation by sreedharan » Fri Nov 30, 2007 11:16 am	5	4497	Last post by sreedharan Sat Dec 01, 2007 4:24 am
Is isopropanol bad for phenyl columns? by highmorale » Fri Nov 30, 2007 3:54 pm	1	1705	Last post by zokitano Fri Nov 30, 2007 5:14 pm
Prep Column Problems by HUH? » Wed Nov 28, 2007 7:59 pm	1	1789	Last post by Bruce Hamilton Thu Nov 29, 2007 11:51 pm
Re: Sepn of choline and trimethylamine via IC/HPLC by IC_Gal » Wed Nov 21, 2007 4:54 pm	9	3230	Last post by SIELC_Tech Thu Nov 29, 2007 1:45 pm
Irregular negative baseline by casaciofcarmelina » Thu Nov 29, 2007 9:00 am	0	1703	Last post by casaciofcarmelina Thu Nov 29, 2007 9:00 am
UPLC by chembot » Wed Nov 28, 2007 6:02 pm	1	1916	Last post by tom jupille Wed Nov 28, 2007 6:56 pm
internal standards in HPLC by rerecicht » Tue Nov 27, 2007 8:01 pm	2	2171	Last post by rerecicht Wed Nov 28, 2007 4:23 pm
Quenching with glycerol by Chromadave » Tue Nov 27, 2007 10:15 am	7	2537	Last post by HW Mueller Wed Nov 28, 2007 7:35 am
Varian 9300 Autosampler by Noser222 » Wed Nov 28, 2007 4:18 am	0	1823	Last post by Noser222 Wed Nov 28, 2007 4:18 am
resolution as function of k' by chembot » Tue Nov 27, 2007 5:02 pm	1	2049	Last post by tom jupille Tue Nov 27, 2007 8:02 pm
Benzyl alcohol analysis via HPLC by mikea » Tue Nov 27, 2007 6:26 pm	2	3199	Last post by mfahe Tue Nov 27, 2007 7:59 pm
difference between polar encapped and polar embededed column by PHOBIUS » Thu Nov 22, 2007 1:31 pm	14	5455	Last post by Bryan Evans Tue Nov 27, 2007 2:04 pm
Selectivity Contribution: Column vs. MP/gradient Debate by Rob Burgess » Thu Nov 22, 2007 2:18 pm	3	2107	Last post by Mattias Tue Nov 27, 2007 1:01 pm
eddy diffusion by chembot » Mon Nov 26, 2007 2:52 am	3	3119	Last post by Uwe Neue Tue Nov 27, 2007 12:08 am
Injecting Hexane into a Reversed Phase System by adam » Fri Nov 16, 2007 6:47 pm	5	6214	Last post by tom jupille Mon Nov 26, 2007 10:40 pm
Interpretation of BP RS text by Karan » Mon Nov 26, 2007 10:46 am	3	2307	Last post by tom jupille Mon Nov 26, 2007 7:58 pm
organic modifier chemistry by chembot » Fri Nov 23, 2007 10:44 pm	2	2411	Last post by tom jupille Mon Nov 26, 2007 5:30 am
Sulfated oligosaccharides by paulwbb4 » Sat Nov 24, 2007 6:00 am	0	1778	Last post by paulwbb4 Sat Nov 24, 2007 6:00 am
S/N determination by Mattias » Mon Nov 12, 2007 8:24 am	10	4093	Last post by Dan Sat Nov 24, 2007 1:01 am
Pyridoxine storage by Tom Ashton » Wed Nov 21, 2007 2:07 pm	1	1691	Last post by paul duque Thu Nov 22, 2007 7:38 am
supercritical fluid chromatography by Raquel » Mon Nov 19, 2007 6:32 pm	2	2308	Last post by sball Wed Nov 21, 2007 4:18 pm
Use Empower to control phenomenex column selector by Shanextan » Tue Nov 20, 2007 3:38 pm	1	1771	Last post by AA Wed Nov 21, 2007 1:43 pm
Use of stored solutions by Sunjay » Wed Nov 21, 2007 11:37 am	1	1776	Last post by shaun78 Wed Nov 21, 2007 12:11 pm
assay test of coated tablets by paul duque » Wed Nov 14, 2007 3:00 am	8	2553	Last post by paul duque Wed Nov 21, 2007 7:45 am

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