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	62072	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Help with Chemstation by Apple_insci » Fri Jul 29, 2005 2:30 am	3	2769	Last post by Carlos Teixeira Wed Aug 10, 2005 1:41 am
evaluation of stability test results by Kaoula » Wed Aug 03, 2005 3:21 pm	5	3578	Last post by BenNC Tue Aug 09, 2005 4:13 pm
Disregard limit by amirchem » Tue Aug 09, 2005 10:25 am	2	19707	Last post by BenNC Tue Aug 09, 2005 4:00 pm
carbohydrate column for saccrides. by michelle.zhang » Wed Jul 27, 2005 2:32 am	14	6331	Last post by HW Mueller Tue Aug 09, 2005 3:07 pm
Measurement of Tween 80 in Pharmaceuticals by KarenJ » Wed Aug 03, 2005 3:31 pm	9	7012	Last post by KarenJ Mon Aug 08, 2005 8:12 pm
column rescue ideas by ande2922 » Tue Jul 19, 2005 8:09 pm	5	3481	Last post by Chris Pohl Mon Aug 08, 2005 4:02 pm
Fatty acids/CLA by HPLC? by Lotus » Thu Aug 04, 2005 2:13 pm	10	4584	Last post by Chris Pohl Mon Aug 08, 2005 3:50 pm
Waters 410 Refractometer Problems by stappg » Thu Aug 04, 2005 3:08 am	4	3184	Last post by stappg Mon Aug 08, 2005 2:45 am
Incresing pressure in C-18 column by DEED » Sun Aug 07, 2005 1:17 am	1	2198	Last post by moon704520 Sun Aug 07, 2005 9:21 am
Test Mix by tom_mizukami » Fri Aug 05, 2005 8:46 pm	1	2385	Last post by tom_mizukami Fri Aug 05, 2005 8:48 pm
Column test mixtures / procedures by Emperor_Moo » Tue Aug 02, 2005 2:55 pm	7	3045	Last post by Emperor_Moo Fri Aug 05, 2005 11:35 am
Cooling of HP ChemStation by laufentchen » Fri Aug 05, 2005 8:44 am	0	2068	Last post by laufentchen Fri Aug 05, 2005 8:44 am
Working Standard by ajaib5 » Wed Jul 27, 2005 4:58 am	4	2880	Last post by oaquattro Fri Aug 05, 2005 2:02 am
Question about a stability-indicating method development by Apple_insci » Thu Aug 04, 2005 4:20 am	1	2249	Last post by amaryl Thu Aug 04, 2005 7:45 am
Peaks larger then expected by leadazide » Thu Jul 21, 2005 8:44 am	18	5559	Last post by leadazide Wed Aug 03, 2005 7:34 am
Substitued triazole analysis by Provetech » Tue Aug 02, 2005 3:31 pm	1	2455	Last post by Uwe Neue Tue Aug 02, 2005 8:58 pm
Estimating new compound pKa using HPLC by KarenJ » Tue Aug 02, 2005 3:36 pm	1	2430	Last post by Uwe Neue Tue Aug 02, 2005 8:56 pm
column for very high pressure chromatography by lotusw » Mon Aug 01, 2005 5:37 pm	3	2755	Last post by Uwe Neue Tue Aug 02, 2005 8:51 pm
HPLC training in the UK by tom jupille » Tue Aug 02, 2005 7:06 pm	0	2228	Last post by tom jupille Tue Aug 02, 2005 7:06 pm
Additive by danko » Thu Jul 28, 2005 2:30 pm	10	3975	Last post by danko Tue Aug 02, 2005 3:28 pm
Quantitation of Sodium Permagnate by pochengjean » Thu Jul 28, 2005 8:29 pm	6	2875	Last post by HW Mueller Tue Aug 02, 2005 7:26 am
chloro-benzoyl chloride impurity or assay method by dxydxyok » Tue Jul 26, 2005 3:15 am	5	3630	Last post by dxydxyok Tue Aug 02, 2005 3:51 am
To evaluate other suppliers of columns by Tequila » Mon Aug 01, 2005 12:48 pm	2	2619	Last post by tom jupille Mon Aug 01, 2005 2:54 pm
SPE and HPLC of Amines by Frosty » Thu Jul 28, 2005 9:24 am	11	4524	Last post by HW Mueller Mon Aug 01, 2005 2:46 pm
extra peak appeared before analyte peak by tlili » Tue Jul 26, 2005 12:40 pm	8	5188	Last post by tlili Mon Aug 01, 2005 12:23 pm
Luna 5u c18(2) by dwalker » Wed Jul 27, 2005 8:00 pm	7	5078	Last post by Victor Mon Aug 01, 2005 11:10 am
Chiral method for pramipexole by N.V.V.S.S. RAMAN » Mon Aug 01, 2005 10:17 am	0	2381	Last post by N.V.V.S.S. RAMAN Mon Aug 01, 2005 10:17 am
Polymerization of THF in THF/water mobile phase? by khimik » Sat Jul 30, 2005 5:46 am	2	3323	Last post by HW Mueller Mon Aug 01, 2005 7:09 am
Fluroscence Detector by rashmi » Fri Jul 29, 2005 5:03 am	1	2574	Last post by tom jupille Fri Jul 29, 2005 10:50 pm
LC at high temperature by stanlee » Fri Jul 22, 2005 7:44 am	9	5876	Last post by Uwe Neue Fri Jul 29, 2005 1:23 am
Discoloration by Apple_insci » Thu Jul 21, 2005 12:00 am	4	3068	Last post by tom jupille Thu Jul 28, 2005 5:15 pm
Gramicidin by Andrea Hilton » Wed Jul 27, 2005 1:33 pm	2	3031	Last post by Andrea Hilton Thu Jul 28, 2005 2:31 pm
VFA Retention Time Problems by Frosty » Mon Jul 04, 2005 2:48 pm	4	3128	Last post by Frosty Thu Jul 28, 2005 8:49 am
HPLC Column Tracking system and dedication to methods by Tim » Wed Jul 27, 2005 9:03 am	2	3203	Last post by Alex Buske Thu Jul 28, 2005 7:04 am
HPLC Problems by Genepro » Wed Jul 27, 2005 5:53 pm	3	3011	Last post by Mark Tracy Wed Jul 27, 2005 9:41 pm
AAA of Alum containing Vaccines by blewispunk » Tue Jul 26, 2005 6:45 pm	2	2484	Last post by blewispunk Wed Jul 27, 2005 7:15 pm
Automated sample Preparation by dwalker » Sat Jul 23, 2005 8:59 pm	4	2762	Last post by dwalker Wed Jul 27, 2005 7:08 pm
handeling small amounts of solvent by aldij » Wed Jul 27, 2005 7:59 am	1	2369	Last post by tom jupille Wed Jul 27, 2005 5:33 pm
Searching information about pharmacopeias by Tequila » Tue Jul 26, 2005 1:56 pm	1	2361	Last post by unmgvar Tue Jul 26, 2005 3:51 pm
Important fronting in an analysis by Tequila » Sat Jul 16, 2005 11:59 pm	9	4005	Last post by Tequila Tue Jul 26, 2005 1:37 pm
PMCol Separation Method by KarenJ » Fri Jul 08, 2005 1:58 pm	1	2409	Last post by leadazide Tue Jul 26, 2005 12:23 pm
shift of RT by tlili » Fri Jul 01, 2005 9:20 am	6	5166	Last post by tlili Tue Jul 26, 2005 9:48 am
Ion exchange and Particle Size by Cliff Mitchell » Wed Jul 20, 2005 8:49 pm	1	2656	Last post by Chris Pohl Tue Jul 26, 2005 12:58 am
Source for water cleanup cartridges by John Dolan » Tue Jun 28, 2005 5:02 pm	18	6877	Last post by John G Mon Jul 25, 2005 5:23 pm
Experiences with several HPLC systems by LCFlo » Mon Jul 25, 2005 8:32 am	1	2770	Last post by DR Mon Jul 25, 2005 2:25 pm
Chiral separation of N,N-Dimethyl-1-phenethylamine by lee » Tue Jul 19, 2005 12:45 pm	4	2990	Last post by lee Fri Jul 22, 2005 11:39 am
Ivermectin analysis by m.bateman » Thu Jul 07, 2005 3:04 pm	3	2879	Last post by dr_Pyrex Fri Jul 22, 2005 10:25 am
Retention of Ions on a C18 surface by Victor » Mon Jul 11, 2005 11:16 am	7	4095	Last post by HW Mueller Fri Jul 22, 2005 7:34 am
Sample prep for NP by avitan » Thu Jul 21, 2005 1:10 pm	6	4151	Last post by avitan Thu Jul 21, 2005 8:15 pm
Methanesulfonic Acid in Mobile Phase by syx » Tue Jul 19, 2005 12:13 am	8	8553	Last post by Mark Tracy Thu Jul 21, 2005 6:37 pm

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