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

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11906 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62693	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Manuals for HP 1090 HPLC by Alice Bergmann » Wed Jun 11, 2008 9:07 pm	1	2165	Last post by wulffniedner Thu Jun 12, 2008 9:44 am
Lomustine by echolyns » Thu May 22, 2008 9:44 am	10	2218	Last post by echolyns Thu Jun 12, 2008 7:06 am
Galaxie Software Varian HPLC by rice » Tue Jun 10, 2008 4:08 pm	0	1658	Last post by rice Tue Jun 10, 2008 4:08 pm
effect of flow rate?? by rick1112 » Thu May 29, 2008 10:38 am	8	8432	Last post by Uwe Neue Tue Jun 10, 2008 2:22 pm
Degas by harry2008 » Mon Jun 09, 2008 6:34 pm	2	2597	Last post by harry2008 Tue Jun 10, 2008 12:06 pm
Dionex HPLC by badgone02 » Mon Jun 09, 2008 10:14 am	2	2850	Last post by badgone02 Tue Jun 10, 2008 7:19 am
Strange behaviour of sulphanamides by aceto_81 » Mon May 19, 2008 10:22 am	7	2346	Last post by aceto_81 Tue Jun 10, 2008 6:30 am
Wavy baseline on agilent 1100 VWD by semivoadude » Mon Jun 09, 2008 11:48 pm	1	1955	Last post by tom jupille Tue Jun 10, 2008 2:20 am
Re: Viscotek TetraDetector--no light scattering peaks. by IC_Gal » Fri Jun 06, 2008 7:07 pm	3	1961	Last post by wtgrey Mon Jun 09, 2008 5:56 pm
YMC J'Sphere H80 and ACE C18 by LCFlo » Wed Jun 04, 2008 2:12 pm	3	2236	Last post by Bryan Evans Mon Jun 09, 2008 2:07 pm
non-linearity with nested standards by mav » Fri Jun 06, 2008 8:40 pm	2	1939	Last post by mav Mon Jun 09, 2008 12:24 pm
Agilent HP 1100 LC : Not ready status and tray problem by twilight » Thu Jun 05, 2008 2:40 pm	5	5776	Last post by Jackus Mon Jun 09, 2008 8:19 am
Calculation of Impurity by using Formula by Troubleshooter » Fri May 30, 2008 5:46 pm	15	16058	Last post by HW Mueller Mon Jun 09, 2008 8:05 am
Use of precolumn for mobile phase purification by Mattias » Thu Jun 05, 2008 8:49 am	7	2919	Last post by mbicking Sun Jun 08, 2008 11:33 pm
Base line going negative by mk12 » Thu Jun 05, 2008 11:32 pm	7	3413	Last post by unmgvar Sat Jun 07, 2008 7:58 pm
co-elution by tilly » Thu May 29, 2008 8:09 pm	11	3920	Last post by Uwe Neue Sat Jun 07, 2008 6:16 pm
Behavior of NON-porous column by rick1112 » Sat Jun 07, 2008 6:06 am	1	1726	Last post by Uwe Neue Sat Jun 07, 2008 3:07 pm
uplc gradient baseline by gooshi81 » Fri Jun 06, 2008 6:50 am	2	2344	Last post by adrien16 Sat Jun 07, 2008 12:31 pm
XBridge shoulder peak by adrien16 » Wed Jun 04, 2008 11:00 am	14	4379	Last post by adrien16 Sat Jun 07, 2008 12:12 pm
Purpose of Internal Standard? by Troubleshooter » Wed Jun 04, 2008 6:00 pm	8	12698	Last post by Troubleshooter Fri Jun 06, 2008 8:52 pm
developing time by coquim » Thu May 29, 2008 4:13 pm	7	2795	Last post by Slammy1 Fri Jun 06, 2008 4:31 pm
Do I NEED the TFA in my mobile phase B?? by mikea » Thu Jun 05, 2008 3:16 pm	2	2078	Last post by Rob Burgess Fri Jun 06, 2008 3:59 pm
Impurity method development by Apple_insci » Thu Jun 05, 2008 6:45 pm	2	2214	Last post by scottythree Fri Jun 06, 2008 8:43 am
data rate, signal polarity,time events by mk12 » Wed Jun 04, 2008 11:07 pm	5	3012	Last post by Uwe Neue Fri Jun 06, 2008 1:46 am
HPLC Solvent Selectors...? by Roxanne42 » Tue Feb 12, 2008 6:42 pm	8	5146	Last post by Paladin Thu Jun 05, 2008 6:45 pm
GPC - Late eluting peaks by Delker » Wed Jun 04, 2008 9:37 pm	1	2179	Last post by mbicking Wed Jun 04, 2008 11:13 pm
Tailing of BHT peak by adam » Tue Jun 03, 2008 12:44 am	3	2045	Last post by Consumer Products Guy Wed Jun 04, 2008 6:28 pm
Enalapril UPLC by kalko » Tue Jun 03, 2008 1:31 pm	2	2021	Last post by Bryan Evans Wed Jun 04, 2008 5:36 am
Urea analysis by HPLC by jimmyhu » Thu May 29, 2008 11:32 am	2	4217	Last post by H.Thomas Tue Jun 03, 2008 8:03 am
ECD and solvent compatability by bob » Tue May 27, 2008 10:11 pm	4	2401	Last post by Jennifer Kindred Mon Jun 02, 2008 11:35 pm
Risedronate help by fferron » Fri May 23, 2008 12:54 am	4	2668	Last post by Carl Sanchez Mon Jun 02, 2008 10:10 pm
Standard curve: quantity or concentration? by greenhuntress » Fri May 30, 2008 5:14 pm	4	2717	Last post by Carl Sanchez Mon Jun 02, 2008 8:43 pm
Split peak by Narendra » Sat May 31, 2008 1:34 am	1	1757	Last post by danko Sat May 31, 2008 9:19 pm
Memory effect of HPLC column by totosr » Fri May 30, 2008 8:58 pm	0	2408	Last post by totosr Fri May 30, 2008 8:58 pm
max pressure by sunnysideup » Tue May 27, 2008 11:15 pm	10	3170	Last post by Hfranz Fri May 30, 2008 9:51 am
IC, ICP and AAS: Advantages and Disadvantages by syx » Tue May 27, 2008 12:09 am	2	9066	Last post by Markus Laeubli, Metrohm Fri May 30, 2008 5:43 am
for oligomers in Omega-3-Acid Ethyl Esters 90 by Murshad » Fri May 30, 2008 2:49 am	0	1982	Last post by Murshad Fri May 30, 2008 2:49 am
Anyone have any tips on optimizing ECD equilibration? by MAVincent » Thu May 29, 2008 7:14 pm	1	1678	Last post by MAVincent Fri May 30, 2008 1:26 am
undefined peaks after 2 years of stability test for product by krystynakk » Wed May 14, 2008 5:20 pm	8	3140	Last post by mingqin Thu May 29, 2008 10:28 pm
TFA alternatives, peptide purification by JimH » Fri May 23, 2008 2:00 pm	18	8037	Last post by JimH Thu May 29, 2008 1:22 pm
limits on 100 % recovery active by scio2 » Wed May 28, 2008 12:32 am	1	1825	Last post by michaelcarolus Wed May 28, 2008 5:33 am
Weird Tailing? by syx » Thu May 22, 2008 12:29 pm	17	3948	Last post by syx Wed May 28, 2008 12:24 am
Heparin Detection by ELISA by Jaynish Tailor » Tue May 27, 2008 5:26 am	1	1486	Last post by tom jupille Tue May 27, 2008 8:03 pm
Phospholipid seperation by TimB » Tue May 06, 2008 8:20 pm	9	3781	Last post by TimB Tue May 27, 2008 2:55 pm
excsessive void volume estimation by Hollow » Tue May 13, 2008 1:24 pm	11	3671	Last post by Uwe Neue Tue May 27, 2008 2:53 am
Uneven retention times (HPSEC method) by michbrrt » Thu May 08, 2008 11:45 am	33	7098	Last post by unmgvar Mon May 26, 2008 8:16 pm
manual injector by nabearup » Fri May 23, 2008 3:51 pm	6	3211	Last post by rp18 Mon May 26, 2008 9:22 am
back pressure and optimal flow rates estimation by Kwet » Sat May 24, 2008 10:01 pm	1	2842	Last post by Kostas Petritis Sat May 24, 2008 11:02 pm
Diagnosing loss of bonded phase caused by low pH? by wokoho » Thu May 22, 2008 6:10 pm	5	1883	Last post by unmgvar Fri May 23, 2008 7:08 pm
Tablet Analysis by Chris » Tue May 20, 2008 7:14 pm	3	2083	Last post by rp18 Fri May 23, 2008 7:48 am

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