Liquid Chromatography

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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

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11908 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62942	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Ion pairing on Carbon Based Stationary Phase by M. Farooq » Mon Sep 28, 2009 5:41 am	5	3286	Last post by Kostas Petritis Tue Sep 29, 2009 8:43 pm
Method Comparison / Method Transfer by Sallybeetle » Mon Sep 28, 2009 9:17 pm	5	1670	Last post by grzesiek Tue Sep 29, 2009 2:11 pm
HP 1050 UV-Vis method transfer to PE Series 200 by djletin » Fri Sep 18, 2009 7:24 pm	7	2208	Last post by tom jupille Tue Sep 29, 2009 5:40 am
Issue with amino acid analysis by zilal » Fri Jul 24, 2009 5:34 pm	13	4407	Last post by DWR Tue Sep 29, 2009 12:09 am
Relative Response Factor Equivalence Between 2 methods by DeniseHeinz » Thu Sep 24, 2009 7:55 pm	11	3941	Last post by grzesiek Mon Sep 28, 2009 3:20 pm
problem with background noise by lab tech » Sat Sep 19, 2009 7:35 pm	4	2028	Last post by lab tech Sun Sep 27, 2009 10:54 am
alendronate usp by antolezcano » Fri Sep 25, 2009 3:07 pm	1	1138	Last post by grzesiek Fri Sep 25, 2009 5:42 pm
NO2/NO3 in a metals lab? by Bigbear » Fri Jul 31, 2009 1:50 pm	4	1430	Last post by tom jupille Fri Sep 25, 2009 5:02 pm
Help locked out of Chemstation by bgiles » Fri Sep 25, 2009 4:41 pm	4	4868	Last post by LC_addict Tue Nov 17, 2009 12:36 pm
Identifying peptides based on HPLC retention by pipettemonkey » Wed Sep 23, 2009 9:08 pm	2	1328	Last post by Kostas Petritis Thu Sep 24, 2009 2:56 pm
buffering solutions at same pH, but different temperatures.. by dkreller » Wed Sep 23, 2009 8:21 pm	5	1776	Last post by HW Mueller Thu Sep 24, 2009 8:08 am
damage calculation? by pipettemonkey » Wed Sep 23, 2009 8:57 pm	1	1125	Last post by Uwe Neue Wed Sep 23, 2009 10:36 pm
groundcorp bankrupt? by pipettemonkey » Wed Sep 23, 2009 8:39 pm	1	1220	Last post by Uwe Neue Wed Sep 23, 2009 10:33 pm
Falsly inflated results... by lnaylor » Mon Sep 21, 2009 6:13 pm	18	2650	Last post by lnaylor Wed Sep 23, 2009 8:07 pm
Gradient Elution: Delays Between Runs? by dkreller » Fri Sep 18, 2009 7:40 pm	11	2784	Last post by DR Tue Sep 22, 2009 1:42 pm
Result ID's by mroosi54 » Mon Sep 21, 2009 8:21 pm	1	1172	Last post by DR Tue Sep 22, 2009 1:33 pm
moving peak by smkh » Sun Sep 06, 2009 3:24 pm	36	3658	Last post by danko Mon Sep 21, 2009 7:52 am
Purine compound stability in solution by vikmurush » Sun Sep 20, 2009 7:46 pm	2	1213	Last post by vikmurush Sun Sep 20, 2009 11:50 pm
april 7th meeting by pipettemonkey » Fri Sep 11, 2009 7:32 am	6	1600	Last post by Consumer Products Guy Sat Sep 19, 2009 3:20 pm
Separation of D & L phenylephrin by Chandresh K. Soni » Sat Sep 19, 2009 5:58 am	1	1134	Last post by Uwe Neue Sat Sep 19, 2009 1:42 pm
Is there an accepted RT variation norm ? Please indicate . by Mayank72 » Tue Sep 08, 2009 11:25 am	11	3032	Last post by Jade.Barker Fri Sep 18, 2009 6:48 pm
Phenylephrin Hydrochloride by Chandresh K. Soni » Wed Sep 16, 2009 10:57 am	4	2638	Last post by Chandresh K. Soni Fri Sep 18, 2009 12:16 pm
scale up difference by rgamage » Thu Sep 17, 2009 5:50 am	3	1605	Last post by tom jupille Thu Sep 17, 2009 8:49 pm
Acetone to replace Acetonitrile for LC-MS application by chhubert » Thu Sep 10, 2009 1:22 am	3	2433	Last post by Uwe Neue Thu Sep 17, 2009 4:46 pm
Waters PorapakRDX SPE / Varian BondElut SPE by bisnettrj2 » Sat Sep 12, 2009 10:29 pm	12	2137	Last post by Uwe Neue Thu Sep 17, 2009 4:18 pm
1100 needle not seating by db32 » Thu Sep 10, 2009 7:28 pm	9	3296	Last post by db32 Thu Sep 17, 2009 4:15 pm
resolution between impurities "official" requireme by ricopalazo » Thu Sep 17, 2009 8:34 am	3	2391	Last post by tom jupille Thu Sep 17, 2009 2:57 pm
Purity factor threshold by Dominique » Sat Sep 12, 2009 4:19 pm	5	7250	Last post by HPLCCONSULT Wed Sep 16, 2009 10:03 pm
separations of antibiotics by Miguel » Wed Sep 16, 2009 11:16 am	1	1315	Last post by sam.pedraglio Wed Sep 16, 2009 4:19 pm
filters ? what is the different ? by Newchromatographer » Mon Sep 14, 2009 3:34 pm	2	1411	Last post by Newchromatographer Wed Sep 16, 2009 11:36 am
Topiramate by Chandresh K. Soni » Wed Sep 16, 2009 11:08 am	0	1216	Last post by Chandresh K. Soni Wed Sep 16, 2009 11:08 am
Propofol by Chandresh K. Soni » Wed Sep 16, 2009 11:01 am	0	1226	Last post by Chandresh K. Soni Wed Sep 16, 2009 11:01 am
RP HPLC for separation of proteins & gradient elution by stevepluto » Tue Sep 15, 2009 5:48 pm	5	3482	Last post by grzesiek Wed Sep 16, 2009 8:37 am
Oligonucleotide RP-HPLC Peak by HPLC_Help » Tue Sep 15, 2009 1:00 pm	3	2258	Last post by grzesiek Tue Sep 15, 2009 2:03 pm
sulphate/sulphate with ri detector by mkatsiabani » Fri Sep 11, 2009 8:45 am	8	1884	Last post by Markus Laeubli, Metrohm Tue Sep 15, 2009 12:26 pm
Sample loop in Waters 717plus autosampler by chhubert » Mon Sep 14, 2009 8:55 am	5	5218	Last post by chhubert Tue Sep 15, 2009 4:16 am
Contaminated laboratory water by bisnettrj2 » Mon Sep 14, 2009 4:34 am	4	1962	Last post by Bruce Hamilton Mon Sep 14, 2009 9:18 pm
chemometry HPLC HPTLC use by prashant.dev.7 » Mon Sep 14, 2009 6:09 am	1	1569	Last post by tom jupille Mon Sep 14, 2009 6:03 pm
Varian 410 and Star 5.5 - help? by cat_chemist » Mon Sep 14, 2009 1:04 am	2	2362	Last post by cat_chemist Mon Sep 14, 2009 11:07 am
about HPLC and HPTLC journals by prashant.dev.7 » Mon Sep 14, 2009 5:19 am	0	1983	Last post by prashant.dev.7 Mon Sep 14, 2009 5:19 am
Eclipse XDB Vs Eclipse Plus by Kwet » Tue Sep 01, 2009 6:43 am	33	15772	Last post by mohan_2008 Sun Sep 13, 2009 3:15 am
Bad Baseline by bisnettrj2 » Fri Sep 04, 2009 4:59 am	42	7916	Last post by bisnettrj2 Sat Sep 12, 2009 3:22 pm
ZIC HILIc for organic acids (Help me) by JOCAPEN » Tue Apr 28, 2009 4:56 pm	16	7596	Last post by Bryan Evans Fri Sep 11, 2009 1:36 pm
Polyhydroxyethyl artifact by pipettemonkey » Wed Sep 09, 2009 2:18 pm	3	1642	Last post by Uwe Neue Thu Sep 10, 2009 4:16 pm
system suitability replicates by rgamage » Mon Sep 07, 2009 9:03 am	5	2178	Last post by grzesiek Thu Sep 10, 2009 11:41 am
Bench top cryomill by jtreacy » Tue Sep 08, 2009 1:30 pm	2	1554	Last post by jtreacy Thu Sep 10, 2009 8:02 am
Rocket format HPLC column by chromSep » Mon Aug 31, 2009 5:09 pm	13	3041	Last post by chromSep Thu Sep 10, 2009 4:15 am
Naphthalene in honey by DID » Thu Sep 03, 2009 6:23 pm	17	4502	Last post by bisnettrj2 Thu Sep 10, 2009 3:10 am
Mobile Phase Filtration by Eric Moore » Tue Aug 25, 2009 11:17 am	26	12973	Last post by Russ Tue Sep 08, 2009 7:22 am
Separation of Highly polar compounds by project44 » Fri Jul 24, 2009 7:13 pm	10	3624	Last post by Hollow Mon Sep 07, 2009 6:17 pm

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