Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 399	399	1499	Last post Unick promo Çûpañ çødë{$40 of… by Manmohan Sun Oct 26, 2025 2:01 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: 119	119	467	Last post Re: choice of GPC software by pigsy1983 Tue Jul 08, 2025 4:23 pm

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11921 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62068	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Extraction efficiency definition by Christelle Guillo » Mon Jun 13, 2005 10:02 pm	3	7106	Last post by pawan ratra Wed Jun 15, 2005 3:30 am
High HPLC column back pressure by Mmoneng » Tue Jun 14, 2005 1:11 pm	1	3043	Last post by MG Tue Jun 14, 2005 2:58 pm
RI detector versus ELSD by Anders Bach » Fri Jun 10, 2005 11:15 am	8	5237	Last post by Anders Bach Tue Jun 14, 2005 5:04 am
prep-HPLC low pressure problem by Kate » Wed Jun 08, 2005 12:33 pm	3	2967	Last post by Chris Pohl Tue Jun 14, 2005 12:16 am
Ion chromatography for dummies by orcicdejan » Fri May 20, 2005 5:59 am	6	4552	Last post by Chris Pohl Mon Jun 13, 2005 11:58 pm
Enrichment of phosphopeptides by SMC » Wed Jun 08, 2005 3:04 pm	2	2823	Last post by Kostas Petritis Mon Jun 13, 2005 10:58 pm
Dionex's AAA-direct method for amino acid analysis by fuelquest » Sat Jun 11, 2005 2:21 am	1	2811	Last post by Kostas Petritis Mon Jun 13, 2005 10:54 pm
Buffers and Degassing by ravenwork » Mon Jun 13, 2005 2:07 pm	2	2860	Last post by Kostas Petritis Mon Jun 13, 2005 7:03 pm
Autosampler Problem - Precission by syx » Mon May 30, 2005 12:53 am	17	6352	Last post by Mark Tracy Fri Jun 10, 2005 7:56 pm
Disable autozero by stepluke » Thu Jun 09, 2005 7:48 pm	1	2609	Last post by Hugh Thu Jun 09, 2005 11:07 pm
Method Accuracy by Chris » Thu Jun 09, 2005 10:51 am	1	2417	Last post by Mary Carson Thu Jun 09, 2005 8:25 pm
About the deuterium lamp life by Tequila » Tue Jun 07, 2005 11:17 am	4	6070	Last post by John Thu Jun 09, 2005 6:43 pm
HPLC analysis of English Ivy (Hedera Helix) by erivas » Thu Jun 09, 2005 6:02 pm	0	2818	Last post by erivas Thu Jun 09, 2005 6:02 pm
What is the mysterious peak? by lucyUS » Tue May 03, 2005 1:47 pm	15	7722	Last post by Tom Waeghe Thu Jun 09, 2005 4:48 pm
post-column derivatization to analysis lactic acid by marx » Sat Jun 04, 2005 2:29 pm	7	3771	Last post by marx Thu Jun 09, 2005 4:23 pm
Story of 2 Active Substances in a Dosage Form by syx » Wed Jun 01, 2005 12:53 am	16	6199	Last post by syx Thu Jun 09, 2005 12:19 am
Relative Response Factor Determination by jllanger » Tue Jun 07, 2005 5:58 pm	2	3368	Last post by HW Mueller Wed Jun 08, 2005 7:05 am
Supelco LC-318 Columns by josebenjamin » Tue Jun 07, 2005 5:56 pm	2	2755	Last post by chromatographer1 Tue Jun 07, 2005 9:04 pm
Mixed Isomers by HPLC by Chris » Tue Jun 07, 2005 1:44 pm	1	2407	Last post by josebenjamin Tue Jun 07, 2005 1:50 pm
Good practice on DX600 by zhuwj007 » Mon Jun 06, 2005 7:05 am	2	2723	Last post by Chris Pohl Tue Jun 07, 2005 4:37 am
seperate sample peak from solvent front by snee8 » Tue May 31, 2005 3:46 pm	4	3359	Last post by Chris Pohl Tue Jun 07, 2005 3:51 am
low presure by Solediga » Fri May 27, 2005 12:57 am	2	2680	Last post by Chris Pohl Tue Jun 07, 2005 3:23 am
When is a column bad? by sjmarin » Mon May 23, 2005 5:00 pm	5	3725	Last post by Chris Pohl Tue Jun 07, 2005 3:12 am
IC for quartanary ammonium salts by dpr » Wed May 25, 2005 8:35 pm	2	2896	Last post by Chris Pohl Tue Jun 07, 2005 3:06 am
Baseline problem or something ... by syx » Mon Feb 28, 2005 1:24 am	26	9465	Last post by syx Tue Jun 07, 2005 12:40 am
Mobile phase causes protein oxidation? by petra.malovrh » Sat Jun 04, 2005 6:52 am	4	3574	Last post by petra.malovrh Mon Jun 06, 2005 7:23 pm
SAX stationary phase by Cliff Mitchell » Mon Jun 06, 2005 2:13 am	1	2508	Last post by Uwe Neue Mon Jun 06, 2005 5:41 pm
Opinions on Varian Microsphere columns by javaslinger » Sun Jun 05, 2005 8:07 pm	1	2376	Last post by Mark Tracy Mon Jun 06, 2005 4:14 pm
amino acids with AminoQuant and UV-Vis by tumbir » Sun May 29, 2005 8:18 am	6	4072	Last post by BigGeoff Sun Jun 05, 2005 10:18 am
White powdery things off the column after vaccuum dry by Amar » Wed Jun 01, 2005 10:00 pm	5	3335	Last post by Uwe Neue Thu Jun 02, 2005 10:29 pm
Endcapped column by LCFlo » Thu May 26, 2005 4:27 pm	13	5526	Last post by josebenjamin Thu Jun 02, 2005 5:00 pm
Cichoriens by Rafal » Wed Jun 01, 2005 7:17 am	1	2397	Last post by Uwe Neue Wed Jun 01, 2005 10:07 pm
rounding by mpepler » Tue May 31, 2005 5:23 am	8	4821	Last post by Mark Tracy Wed Jun 01, 2005 4:45 pm
Perkin Elmer LC 325C PDA Detector by francois_harel » Wed Jun 01, 2005 4:22 pm	0	2240	Last post by francois_harel Wed Jun 01, 2005 4:22 pm
PDA detector by francois_harel » Wed Jun 01, 2005 4:20 pm	0	2294	Last post by francois_harel Wed Jun 01, 2005 4:20 pm
"Optimun" Gradient and isocratic condition by Broesen » Mon May 30, 2005 8:11 pm	5	3365	Last post by HW Mueller Wed Jun 01, 2005 2:39 pm
Matching columns for tandem HPLC by Mark Tracy » Wed May 25, 2005 5:06 pm	5	3312	Last post by Victor Wed Jun 01, 2005 12:01 pm
Problem of area count of a tricky molecule by Echis » Tue May 31, 2005 4:48 am	7	3305	Last post by Echis Wed Jun 01, 2005 10:28 am
column contamination by seridi » Fri May 20, 2005 2:12 pm	3	2930	Last post by tom jupille Tue May 31, 2005 9:14 pm
column suggestion. by theodora » Thu May 26, 2005 6:17 am	7	3451	Last post by Alex Buske Mon May 30, 2005 7:31 am
Ursolic acid and oleanolic acid by michelle.zhang » Mon May 30, 2005 6:02 am	0	2117	Last post by michelle.zhang Mon May 30, 2005 6:02 am
AEX problems by MK » Fri May 27, 2005 7:51 pm	0	2231	Last post by MK Fri May 27, 2005 7:51 pm
HP 1050 degasser by jhaab » Fri May 27, 2005 5:48 pm	0	2225	Last post by jhaab Fri May 27, 2005 5:48 pm
Help with RSD by Fernando » Thu May 12, 2005 12:37 pm	13	5803	Last post by Fernando Fri May 20, 2005 1:19 pm
Searchable HPLC Method Databases by Jay-Z » Tue May 03, 2005 9:34 pm	13	8189	Last post by Chris Pohl Fri May 20, 2005 12:04 am
Total Nitrogen by HPLC? by oscarBAL » Tue May 17, 2005 9:53 pm	5	4988	Last post by oscarBAL Thu May 19, 2005 4:48 pm
thiacloprid by chimist » Sun May 15, 2005 10:27 am	1	2648	Last post by HW Mueller Thu May 19, 2005 3:56 pm
Protein Separation Book by Bill Tindall » Thu May 19, 2005 1:53 am	2	2853	Last post by HW Mueller Thu May 19, 2005 3:25 pm
trimebutine maleate analysis in plasma with HPLC-UV by serap g » Wed May 11, 2005 2:22 pm	11	5278	Last post by tom jupille Wed May 18, 2005 11:02 pm
Analysis of Nicardipine and it's impurity by Provetech » Tue May 17, 2005 12:48 pm	6	3832	Last post by Provetech Wed May 18, 2005 2:04 pm

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