Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 402	402	1507	Last post Re: Setting retention time wi… by Jofichrom Fri Mar 06, 2026 2:33 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: 120	120	469	Last post Re: High-temp filtration of c… by DR Tue Jan 06, 2026 5:42 pm

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11915 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	83441	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Does anyone used Corona CAD for Waters HPLC system? by htang » Mon Dec 10, 2012 9:34 pm	1	2800	Last post by oldtimer-2 Wed Dec 12, 2012 8:11 am
Detector response for PE Series 200 question by paulw » Tue Dec 11, 2012 8:13 pm	2	2375	Last post by paulw Tue Dec 11, 2012 8:58 pm
glycerol by sepscientologist » Fri Dec 07, 2012 5:06 pm	8	3963	Last post by Vlad Orlovsky Tue Dec 11, 2012 8:04 pm
Accela pump pressure problems by nitrendipin » Wed Nov 21, 2012 10:36 pm	5	3799	Last post by vogelius Tue Dec 11, 2012 12:14 pm
Assay (anhydrous substance) HPLC calculation- Ph.Eur. interp by juju » Fri Nov 09, 2012 12:50 pm	5	7415	Last post by juju Mon Dec 10, 2012 1:52 pm
Separation Polysaccharides from Mushroom/fungis by vgg_spain » Mon Dec 10, 2012 11:31 am	0	2663	Last post by vgg_spain Mon Dec 10, 2012 11:31 am
Repeated Sample RSD failures by djones82 » Tue Dec 04, 2012 2:34 pm	4	2772	Last post by Johnny Rod Mon Dec 10, 2012 10:26 am
How to perform Uncertainly calculations?? by Equisraya » Tue Dec 04, 2012 4:58 pm	1	2286	Last post by Johnny Rod Mon Dec 10, 2012 10:25 am
Hi by anilknwr » Fri Dec 07, 2012 9:22 am	0	2816	Last post by anilknwr Fri Dec 07, 2012 9:22 am
hplc method development by chilam » Thu Dec 06, 2012 6:01 pm	0	2958	Last post by chilam Thu Dec 06, 2012 6:01 pm
Sequence summary report on Chemstation by kristind858 » Thu Dec 06, 2012 6:56 am	3	3442	Last post by kristind858 Fri Dec 07, 2012 1:50 am
Baseline jumps HPLC RI by harasztosanna » Fri Nov 30, 2012 9:08 am	11	4337	Last post by harasztosanna Thu Dec 06, 2012 2:31 pm
Column overloading in LC vs GC. by lgchrom » Mon Dec 03, 2012 8:44 pm	5	3714	Last post by tom jupille Thu Dec 06, 2012 1:34 am
Particle surface coverage of LC column by JI2002 » Wed Dec 05, 2012 1:36 pm	3	2385	Last post by tom jupille Thu Dec 06, 2012 1:28 am
Perfluroinated alkyl compound analysis by LC by chhubert » Tue Dec 04, 2012 7:44 am	2	2086	Last post by chhubert Wed Dec 05, 2012 6:08 am
Kinetex Column Method Development by CLSgroup » Wed Nov 28, 2012 6:31 pm	7	3328	Last post by CLSgroup Wed Dec 05, 2012 12:26 am
UHPLC post-column pressures? by goran123 » Tue Dec 04, 2012 6:50 pm	2	2512	Last post by bisnettrj2 Tue Dec 04, 2012 9:00 pm
Normal phase gradients by PaulF » Tue Dec 04, 2012 5:45 pm	0	2325	Last post by PaulF Tue Dec 04, 2012 5:45 pm
IC and Ion Selective Electrode Question by ilawrence » Tue Dec 04, 2012 10:42 am	5	5730	Last post by Markus Laeubli, Metrohm Wed Jan 16, 2013 9:06 am
Regenerated Celluose 0.2um filters block UPLC by seamoro » Sat Dec 01, 2012 5:23 am	1	2103	Last post by juddc Mon Dec 03, 2012 11:42 pm
Amino Acid Help by nellermann » Mon Dec 03, 2012 5:03 pm	1	4065	Last post by Coffo Tue Dec 04, 2012 1:28 pm
HP 1100 ALS G1313A Problems by curveball3232 » Sat Jul 07, 2012 5:48 pm	4	3564	Last post by Bull76 Mon Dec 03, 2012 12:25 pm
UPLC : homing error ? by rick1112 » Wed Nov 21, 2012 11:29 am	7	7198	Last post by seamoro Mon Dec 03, 2012 6:10 am
USP / EP formula to calculate S/N ratio by Kwet80 » Wed Oct 10, 2012 8:39 pm	18	46211	Last post by Hollow Sun Dec 02, 2012 1:34 pm
HILIC column by jusuom » Wed Nov 28, 2012 2:33 pm	5	3037	Last post by Andy Alpert Fri Nov 30, 2012 4:39 pm
Problem with retention and separation by mk_3249 » Thu Nov 29, 2012 8:36 am	3	2673	Last post by prepcolumn Fri Nov 30, 2012 3:50 pm
mixed -mode (RP-Ion exchange) column for protein by zahra1634 » Thu Oct 27, 2011 12:04 pm	1	2226	Last post by upamaniah Fri Nov 30, 2012 7:13 am
Seal Wash by StephenO » Mon Nov 26, 2012 3:13 pm	3	5341	Last post by Bull76 Fri Nov 30, 2012 12:53 am
problem with chiral column by jiangds06 » Thu Nov 29, 2012 8:50 pm	1	2372	Last post by tom jupille Thu Nov 29, 2012 10:34 pm
2.5um particle size in HPLC & UPLC by upamaniah » Wed Nov 21, 2012 2:42 pm	10	5707	Last post by lmh Thu Nov 29, 2012 12:36 pm
Agilent 1200 series Network issue by CLSgroup » Wed Nov 28, 2012 6:16 pm	2	4631	Last post by CLSgroup Thu Nov 29, 2012 10:37 pm
NPE and PYE columns by upamaniah » Wed Nov 28, 2012 11:50 am	0	2659	Last post by upamaniah Wed Nov 28, 2012 11:50 am
Drifting RT when volume increased by littleman » Thu Nov 22, 2012 4:21 pm	7	3099	Last post by Leni Wed Nov 28, 2012 9:07 am
sequence by markodjokic » Tue Nov 27, 2012 9:24 am	2	2022	Last post by Leni Wed Nov 28, 2012 8:29 am
Imidurea Assay on HILIC column in Shampoo - interference by Julia Potapenko » Wed Nov 21, 2012 8:41 pm	5	3658	Last post by XL Wed Nov 28, 2012 6:21 am
problem regarding poor resolution of glycine peak in HPLC by avinash lomash » Mon Nov 26, 2012 6:11 am	3	2740	Last post by upamaniah Tue Nov 27, 2012 6:13 am
Suppliers of corona aerosol detector by Varsha » Sun Nov 25, 2012 2:53 pm	3	2577	Last post by Varsha Mon Nov 26, 2012 8:01 pm
gradıent performance test by mirac_han » Fri Oct 07, 2011 1:11 pm	17	9302	Last post by sshinn@foodstate.com Mon Nov 26, 2012 7:19 pm
Buying a "new" used HPLC by jelwell » Tue Sep 11, 2012 7:34 pm	8	4092	Last post by lmh Mon Nov 26, 2012 10:41 am
Fortification samples by tere_p » Sun Nov 25, 2012 1:33 pm	1	2348	Last post by Consumer Products Guy Sun Nov 25, 2012 2:48 pm
G1329 Power Failure... by akthmps » Thu Oct 25, 2012 4:23 pm	4	4179	Last post by Zmeevic Sat Nov 24, 2012 5:52 am
Problems to 2414 Refractive Index detector Waters by ilyphotocip » Tue Nov 20, 2012 10:38 am	2	2991	Last post by ilyphotocip Thu Nov 22, 2012 12:46 pm
Fipronil analysis by chaperone » Wed Nov 21, 2012 4:23 am	3	4039	Last post by Consumer Products Guy Thu Nov 22, 2012 12:44 am
Negative peaks/ Inverted Peaks! :( by LC_addict » Mon Nov 19, 2012 10:11 am	3	3783	Last post by orandac Wed Nov 21, 2012 11:23 pm
Operating manual for Dionex GPM-2 Gradient HPLC pump by AJH » Wed Nov 21, 2012 9:54 pm	0	3150	Last post by AJH Wed Nov 21, 2012 9:54 pm
how often do you replace buffers? by lmh » Thu Aug 02, 2012 2:09 pm	4	3878	Last post by artsjeroen Wed Nov 21, 2012 3:13 pm
PAD Detectors by monsef » Wed Nov 14, 2012 5:00 pm	2	3017	Last post by monsef Tue Nov 20, 2012 4:23 pm
HPLC-DAD analysis in human serum by montana » Thu Nov 15, 2012 1:47 pm	2	3116	Last post by montana Tue Nov 20, 2012 3:44 pm
Removing Agilent 1100 Plastic Windows from Covers by akthmps » Mon Oct 29, 2012 1:42 pm	2	3698	Last post by AA Tue Nov 20, 2012 3:22 pm
Waters fraction collector Hook up to 996 by labtech1340 » Tue Nov 20, 2012 3:25 am	1	5587	Last post by AA Tue Nov 20, 2012 3:19 pm

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