Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 403	403	1508	Last post Large water dip on ICS-6000 by NitroJennAtom Wed Jun 17, 2026 3:20 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
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11923 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	124351	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
HPLC machines from China by artirm » Tue Apr 01, 2014 6:35 pm	1	2371	Last post by Peter Apps Tue Apr 01, 2014 7:59 pm
Column Manager question: Problem with column active heater o by mario.gabrielli82 » Tue Apr 01, 2014 8:50 am	1	2123	Last post by Bull76 Tue Apr 01, 2014 7:13 pm
Levothyroxine tabs by michaelcarolus » Tue Mar 25, 2014 9:42 am	5	3283	Last post by michaelcarolus Tue Apr 01, 2014 5:57 am
Switching two columns by Analisis » Mon Mar 31, 2014 6:27 pm	1	2412	Last post by tom jupille Tue Apr 01, 2014 3:27 am
Agilient/Waters by StephenO » Wed Mar 26, 2014 3:43 pm	13	7437	Last post by varossf Mon Mar 31, 2014 4:52 pm
negative peak on REZEX ROA by SandraAlbrecht » Mon Mar 03, 2014 4:38 pm	12	5651	Last post by SandraAlbrecht Mon Mar 31, 2014 7:15 am
Hot Water will Damage Waters HPLC? by Terry » Fri Mar 28, 2014 1:18 pm	5	8348	Last post by Terry Sat Mar 29, 2014 1:46 am
Need Advice about Waters Detectors by JGK » Mon Sep 27, 2010 8:43 pm	2	2855	Last post by davidobaumann Fri Mar 28, 2014 4:36 am
Base line increase by hammad » Thu Mar 27, 2014 8:14 am	3	2593	Last post by tom jupille Thu Mar 27, 2014 11:20 am
Waters H-Class auto sampler (SM) by Debbyb » Wed Mar 19, 2014 3:01 pm	1	2380	Last post by Bull76 Wed Mar 26, 2014 7:25 pm
Assessing performance of preparative columns by DJ » Wed Mar 26, 2014 4:48 pm	0	2852	Last post by DJ Wed Mar 26, 2014 4:48 pm
Acetonitrile poisoning? by Mattias » Tue Mar 25, 2014 2:02 pm	2	4406	Last post by BHolmes Tue Mar 25, 2014 8:19 pm
Tailing and Symmetry by fdamico » Wed Jun 13, 2012 9:05 am	9	53236	Last post by mostafa.mo2 Tue Mar 25, 2014 4:43 pm
Silica Gel Pretreatment - Bonding Alkoxysilanes by M Farooq » Sat Mar 22, 2014 2:17 am	2	4347	Last post by M Farooq Tue Mar 25, 2014 4:41 pm
Column Heaters / Warmers by mabrams0828 » Mon Mar 24, 2014 10:19 pm	1	2712	Last post by Gerhard Kratz Tue Mar 25, 2014 2:49 pm
Waters UPLC THF KIT by chem111 » Tue Mar 25, 2014 12:26 pm	0	3371	Last post by chem111 Tue Mar 25, 2014 12:26 pm
How to improve resolution with Anion Exchange Column? by lgchrom » Sat Mar 22, 2014 7:47 pm	6	8566	Last post by lgchrom Mon Mar 24, 2014 10:54 pm
Rehabbing an old Agilent 1100 by rfswarthout » Mon Mar 17, 2014 5:35 pm	5	3183	Last post by rfswarthout Sat Mar 22, 2014 3:49 pm
Will a new/unused HPLC column go bad over time? by entropiclabs » Mon Mar 03, 2014 4:05 am	7	8779	Last post by Klaus I. Fri Mar 21, 2014 4:06 pm
Solvent Recyclers by adam » Fri Apr 27, 2012 6:10 pm	10	3771	Last post by greenlab Fri Mar 21, 2014 1:45 pm
Is this Peak Fronting? by Mike H. » Mon Mar 17, 2014 4:45 pm	9	3780	Last post by James_Ball Wed Mar 19, 2014 6:04 pm
UPLC Column for Sugars, Acids & Ethanol by HPLC_Help » Mon Apr 19, 2010 8:37 pm	15	9915	Last post by JamieAlison Tue Mar 18, 2014 9:57 pm
Recommendations for New LC System by schlenkline » Sat Mar 15, 2014 1:27 am	3	3110	Last post by James_Ball Tue Mar 18, 2014 5:54 pm
new pick by pippoct » Mon Mar 17, 2014 1:46 pm	1	2612	Last post by tom jupille Mon Mar 17, 2014 9:05 pm
Would anyone be interested in my Agilent 1260 Infinity HPLC? by AIM » Mon Mar 17, 2014 7:20 pm	0	2920	Last post by AIM Mon Mar 17, 2014 7:20 pm
what does product launch date mean by darasc0211 » Fri Mar 14, 2014 3:47 am	2	2771	Last post by Mattias Fri Mar 14, 2014 1:05 pm
TFA and basic peptides by Mattias » Wed Mar 12, 2014 2:11 pm	6	3928	Last post by Mattias Fri Mar 14, 2014 1:03 pm
Pressure Increase On Injection - UPLC I-Class by Penguin » Thu Feb 27, 2014 4:51 am	3	3752	Last post by danko Fri Mar 14, 2014 10:09 am
HPLC Solutions #121: Autosampler Design, Part 2 by tom jupille » Wed Mar 12, 2014 9:13 pm	0	5467	Last post by tom jupille Wed Mar 12, 2014 9:13 pm
HPLC Solutions #120: Autosampler Design, Part 1 by tom jupille » Wed Mar 12, 2014 9:12 pm	0	6001	Last post by tom jupille Wed Mar 12, 2014 9:12 pm
HPLC Solutions #119: Sample Loop Filling Characteristics by tom jupille » Wed Mar 12, 2014 9:11 pm	0	5797	Last post by tom jupille Wed Mar 12, 2014 9:11 pm
HPLC Solutions #118: Which is Better, Manual or Auto? by tom jupille » Wed Mar 12, 2014 9:11 pm	0	5831	Last post by tom jupille Wed Mar 12, 2014 9:11 pm
Agilent 1100 Autosampler (G1313A) problem by chrsdrake » Wed Mar 12, 2014 11:46 am	2	5753	Last post by chrsdrake Wed Mar 12, 2014 5:10 pm
Your experiences of DryLab 4 by Mattias » Mon Mar 10, 2014 10:20 am	2	2820	Last post by Mattias Wed Mar 12, 2014 1:52 pm
HPLC baseline is not stable by khalidniazkhan » Fri Feb 21, 2014 2:01 pm	8	5642	Last post by daniel_aut Tue Mar 11, 2014 6:16 am
Power Supply Board of HP/Agilent HPLC 1050 series by wmhhc » Mon Mar 10, 2014 5:51 am	1	2519	Last post by dhobbs Mon Mar 10, 2014 10:17 pm
Problems with CLND and equimolar nitrogen response by dkotes » Mon Mar 10, 2014 6:13 pm	0	2926	Last post by dkotes Mon Mar 10, 2014 6:13 pm
Sucrose analysis by miro2009 » Fri Dec 03, 2010 3:08 pm	31	17238	Last post by Andy Alpert Mon Mar 10, 2014 5:31 pm
Xbridge Amide for QC of sugars i foods and drinks by WillyOne » Mon Apr 18, 2011 8:59 pm	10	6040	Last post by WillyOne Mon Mar 10, 2014 3:55 pm
Low UV standard for Instrument Qualification by tristanewalters » Fri Mar 07, 2014 8:52 pm	2	2526	Last post by stepluke Mon Mar 10, 2014 1:25 pm
Minimizing Gradient Delay volume - Static or Dynamic mixing? by entropiclabs » Thu Mar 06, 2014 8:10 pm	4	3168	Last post by entropiclabs Fri Mar 07, 2014 10:54 pm
Basic questions about Hilic by Indianapsy » Wed Jul 06, 2011 4:46 pm	7	3448	Last post by JamieAlison Fri Mar 07, 2014 8:32 pm
USP <621> Allowable changes by michaelcarolus » Tue Feb 25, 2014 9:17 am	9	9139	Last post by krickos Fri Mar 07, 2014 12:50 pm
Waters / Micromass CapLC system... anybody used one? by entropiclabs » Sat Jan 18, 2014 11:46 pm	2	2799	Last post by andy_s Thu Mar 06, 2014 3:16 pm
Normal phase method not reproducible by sdegrace » Wed Mar 05, 2014 9:57 pm	4	2815	Last post by sdegrace Thu Mar 06, 2014 1:30 pm
Agilent 1100 Chemstation A10.02 upgrade to B4.03 by toonek » Wed Mar 05, 2014 8:46 am	10	9997	Last post by KM-USA Sun Mar 16, 2014 3:31 pm
B1 Analysis on PLRP-S column by Rdsxbaseball » Wed Mar 05, 2014 2:19 am	1	2895	Last post by LiVD Wed Mar 05, 2014 7:33 am
HPLC Solutions #116: Column Efficiency for System Suit by tom jupille » Tue Mar 04, 2014 8:02 pm	0	6019	Last post by tom jupille Tue Mar 04, 2014 8:02 pm
HPLC Solutions #117: The Perils of Autozero by tom jupille » Tue Mar 04, 2014 8:00 pm	0	5751	Last post by tom jupille Tue Mar 04, 2014 8:00 pm
How to Separate Coeluting Compounds by shemesh199 » Thu Feb 27, 2014 5:53 pm	12	8623	Last post by lmh Tue Mar 04, 2014 5:29 pm

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