Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 399	399	1500	Last post Re: Inquiry: Replacement hous… by cpell Thu Nov 13, 2025 5:02 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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11911 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	76629	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Column test mixtures / procedures by Emperor_Moo » Tue Aug 02, 2005 2:55 pm	7	3104	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	2120	Last post by laufentchen Fri Aug 05, 2005 8:44 am
Working Standard by ajaib5 » Wed Jul 27, 2005 4:58 am	4	2954	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	2301	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	5638	Last post by leadazide Wed Aug 03, 2005 7:34 am
Substitued triazole analysis by Provetech » Tue Aug 02, 2005 3:31 pm	1	2508	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	2482	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	2817	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	2275	Last post by tom jupille Tue Aug 02, 2005 7:06 pm
Additive by danko » Thu Jul 28, 2005 2:30 pm	10	4021	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	2928	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	3715	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	2674	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	4611	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	5273	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	5168	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	2451	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	3407	Last post by HW Mueller Mon Aug 01, 2005 7:09 am
Fluroscence Detector by rashmi » Fri Jul 29, 2005 5:03 am	1	2631	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	6047	Last post by Uwe Neue Fri Jul 29, 2005 1:23 am
Discoloration by Apple_insci » Thu Jul 21, 2005 12:00 am	4	3138	Last post by tom jupille Thu Jul 28, 2005 5:15 pm
Gramicidin by Andrea Hilton » Wed Jul 27, 2005 1:33 pm	2	3109	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	3212	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	3284	Last post by Alex Buske Thu Jul 28, 2005 7:04 am
HPLC Problems by Genepro » Wed Jul 27, 2005 5:53 pm	3	3061	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	2530	Last post by blewispunk Wed Jul 27, 2005 7:15 pm
Automated sample Preparation by dwalker » Sat Jul 23, 2005 8:59 pm	4	2816	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	2422	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	2400	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	4080	Last post by Tequila Tue Jul 26, 2005 1:37 pm
PMCol Separation Method by KarenJ » Fri Jul 08, 2005 1:58 pm	1	2473	Last post by leadazide Tue Jul 26, 2005 12:23 pm
shift of RT by tlili » Fri Jul 01, 2005 9:20 am	6	5217	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	2711	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	6944	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	2823	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	3045	Last post by lee Fri Jul 22, 2005 11:39 am
Ivermectin analysis by m.bateman » Thu Jul 07, 2005 3:04 pm	3	2940	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	4176	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	4217	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	8686	Last post by Mark Tracy Thu Jul 21, 2005 6:37 pm
Gradient Mixing Test by mdyo » Thu Jul 14, 2005 9:34 pm	10	5623	Last post by tom jupille Wed Jul 20, 2005 8:26 pm
Temperature vs retention by Mattias » Wed Jul 06, 2005 2:48 pm	9	4298	Last post by unmgvar Wed Jul 20, 2005 2:47 pm
gradient broad hump- think it is water by cbeeb » Tue Jul 19, 2005 2:46 pm	3	3372	Last post by KarenJ Wed Jul 20, 2005 1:43 pm
Lost Prime by Apple_insci » Tue Jul 19, 2005 3:56 am	3	12889	Last post by michaelcarolus Wed Jul 20, 2005 5:46 am
amino acids analysis with Angilent Zorbax Eclipse-AAA column by liangli » Fri Jul 01, 2005 4:17 pm	6	4937	Last post by Uwe Neue Wed Jul 20, 2005 1:55 am
NORMAL PHASE vs REVERSE PHASE IN POLYPHENOL ANALYSIS by csolaz » Mon Jul 18, 2005 1:08 pm	2	2985	Last post by csolaz Tue Jul 19, 2005 7:23 am
Plasidone s-630 Removal by shirish » Thu Jun 23, 2005 5:10 pm	10	4135	Last post by oldtimer Mon Jul 18, 2005 7:06 pm
Aspirin in Dissolution Media by syx » Mon Jul 11, 2005 12:47 am	6	5124	Last post by oldtimer Mon Jul 18, 2005 6:46 pm
column capacity by Pistek » Thu Jul 14, 2005 11:30 am	5	3375	Last post by tom jupille Fri Jul 15, 2005 10:44 pm
Void Time by mdyo » Wed Jul 13, 2005 7:48 pm	10	8517	Last post by mdyo Fri Jul 15, 2005 10:36 pm

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