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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11918 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	85884	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Does TFA 0,1% require a special column? [June 17, 2004] by admin » Tue Aug 24, 2004 8:49 pm	0	4163	Last post by admin Tue Aug 24, 2004 8:49 pm
Dependance of retention upon pH in IC [June 18, 2004] by admin » Tue Aug 24, 2004 8:47 pm	0	4203	Last post by admin Tue Aug 24, 2004 8:47 pm
Guard colums [June 18, 2004] by admin » Tue Aug 24, 2004 8:47 pm	0	4187	Last post by admin Tue Aug 24, 2004 8:47 pm
HPLC method and detection of peracids [June 18, 2004] by admin » Tue Aug 24, 2004 8:46 pm	0	4214	Last post by admin Tue Aug 24, 2004 8:46 pm
Quinolin and Iso-quinolin in Naphthalin [June 17, 2004] by admin » Tue Aug 24, 2004 8:45 pm	0	4440	Last post by admin Tue Aug 24, 2004 8:45 pm
SPE of very polar compounds [June 20, 2004] by admin » Tue Aug 24, 2004 8:44 pm	0	4708	Last post by admin Tue Aug 24, 2004 8:44 pm
Choice of Sep-Pak cartridge [June 21, 2004] by admin » Tue Aug 24, 2004 8:43 pm	0	4788	Last post by admin Tue Aug 24, 2004 8:43 pm
C18 Water for HPLC [June 21, 2004] by admin » Tue Aug 24, 2004 8:42 pm	0	5126	Last post by admin Tue Aug 24, 2004 8:42 pm
Hplc of peptides [June 21, 2004] by admin » Tue Aug 24, 2004 8:39 pm	0	5175	Last post by admin Tue Aug 24, 2004 8:39 pm
Flavonoids in IAM column [June 21, 2004] by admin » Tue Aug 24, 2004 8:38 pm	0	4134	Last post by admin Tue Aug 24, 2004 8:38 pm
Boric acid [June 21, 2004] by admin » Tue Aug 24, 2004 8:37 pm	0	4182	Last post by admin Tue Aug 24, 2004 8:37 pm
Peak shape in HPLC-ELSD detection [June 22, 2004] by admin » Tue Aug 24, 2004 8:36 pm	0	5214	Last post by admin Tue Aug 24, 2004 8:36 pm
Calculating Error [June 22, 2004] by admin » Tue Aug 24, 2004 8:34 pm	0	4650	Last post by admin Tue Aug 24, 2004 8:34 pm
Variability problem in HPSEC [June 22, 2004] by admin » Tue Aug 24, 2004 8:33 pm	0	4685	Last post by admin Tue Aug 24, 2004 8:33 pm
Ammonium Acetate Buffer [June 22, 2004] by admin » Tue Aug 24, 2004 8:32 pm	0	4329	Last post by admin Tue Aug 24, 2004 8:32 pm
Buffer for pH 8? [June 22, 2004] by admin » Tue Aug 24, 2004 8:31 pm	0	4501	Last post by admin Tue Aug 24, 2004 8:31 pm
acrylic acid (AA) and meth acrylicate (MMA) [June 23, 2004] by admin » Tue Aug 24, 2004 7:32 pm	1	5692	Last post by admin Tue Aug 24, 2004 8:30 pm
Related substances of stavudine [June 23, 2004] by admin » Tue Aug 24, 2004 8:28 pm	0	4611	Last post by admin Tue Aug 24, 2004 8:28 pm
Ion exchange HPLC [June 23, 2004] by admin » Tue Aug 24, 2004 8:27 pm	0	4602	Last post by admin Tue Aug 24, 2004 8:27 pm
Empower Software Rheodyne inject problem [June 24, 2004] by admin » Tue Aug 24, 2004 8:26 pm	0	4506	Last post by admin Tue Aug 24, 2004 8:26 pm
Offscale peaks for DA following normal runs [June 24, 2004] by admin » Tue Aug 24, 2004 8:21 pm	0	4360	Last post by admin Tue Aug 24, 2004 8:21 pm
How to fix this HPLC method? [June 24, 2004] by admin » Tue Aug 24, 2004 7:36 pm	0	5472	Last post by admin Tue Aug 24, 2004 7:36 pm
Quadratic Fit for Anions by Ion Chrom [June 25, 2004] by admin » Tue Aug 24, 2004 7:35 pm	0	4625	Last post by admin Tue Aug 24, 2004 7:35 pm
Reduction of Peak Intensity [June 25, 2004] by admin » Tue Aug 24, 2004 7:34 pm	0	4539	Last post by admin Tue Aug 24, 2004 7:34 pm
Ion Chromatography [June 25, 2004] by admin » Tue Aug 24, 2004 7:33 pm	0	5313	Last post by admin Tue Aug 24, 2004 7:33 pm
This CPC assay doesn't work! [June 24, 2004] by admin » Tue Aug 24, 2004 7:30 pm	0	4466	Last post by admin Tue Aug 24, 2004 7:30 pm
Gradient method developement at 210 nm [June 27, 2004] by admin » Tue Aug 24, 2004 7:29 pm	0	5066	Last post by admin Tue Aug 24, 2004 7:29 pm
Pump not mixing properly [June 28, 2004] by admin » Tue Aug 24, 2004 7:23 pm	0	4702	Last post by admin Tue Aug 24, 2004 7:23 pm
HPLC Peak Resolution [June 29, 2004] by admin » Tue Aug 24, 2004 7:20 pm	0	7446	Last post by admin Tue Aug 24, 2004 7:20 pm
The question for LCGC advisory board [June 29, 2004] by admin » Tue Aug 24, 2004 7:19 pm	0	4480	Last post by admin Tue Aug 24, 2004 7:19 pm
Vapor Lock [June 29, 2004] by admin » Tue Aug 24, 2004 7:17 pm	0	4655	Last post by admin Tue Aug 24, 2004 7:17 pm
Reverse Phase EDTA detection method [June 29, 2004] by admin » Tue Aug 24, 2004 7:17 pm	0	5375	Last post by admin Tue Aug 24, 2004 7:17 pm
pH of Buffer in Affinity Chromatography [June 29, 2004] by admin » Tue Aug 24, 2004 7:16 pm	0	4726	Last post by admin Tue Aug 24, 2004 7:16 pm
Recovery at the Border Point [June 29, 2004] by admin » Tue Aug 24, 2004 7:15 pm	0	4178	Last post by admin Tue Aug 24, 2004 7:15 pm
HPLC/GC method for chloro propyl amine [June 29, 2004] by admin » Tue Aug 24, 2004 7:14 pm	0	4506	Last post by admin Tue Aug 24, 2004 7:14 pm
Surfactant Analysis [June 29, 2004] by admin » Tue Aug 24, 2004 7:11 pm	0	4916	Last post by admin Tue Aug 24, 2004 7:11 pm
Probe for silanol activity [June 29, 2004] by admin » Tue Aug 24, 2004 7:11 pm	0	4688	Last post by admin Tue Aug 24, 2004 7:11 pm
Help needed for gradient LC [June 30, 2004] by admin » Tue Aug 24, 2004 7:10 pm	0	4757	Last post by admin Tue Aug 24, 2004 7:10 pm
Is system extra-column volume significant? [June 30, 2004] by admin » Tue Aug 24, 2004 7:09 pm	0	4849	Last post by admin Tue Aug 24, 2004 7:09 pm
Hypercarb Column and Chlorothalonil [June 30, 2004] by admin » Tue Aug 24, 2004 7:08 pm	0	4860	Last post by admin Tue Aug 24, 2004 7:08 pm
Dihydrostreptomycin [July 1, 2004] by admin » Tue Aug 24, 2004 7:04 pm	0	4424	Last post by admin Tue Aug 24, 2004 7:04 pm
Calibrating HPLC [July 1, 2004] by admin » Tue Aug 24, 2004 7:03 pm	0	4371	Last post by admin Tue Aug 24, 2004 7:03 pm
GPC peak broadening problem [July 1, 2004] by admin » Tue Aug 24, 2004 7:02 pm	0	5230	Last post by admin Tue Aug 24, 2004 7:02 pm
Where do all the Cys-containing peptides go? [July 1, 2004] by admin » Tue Aug 24, 2004 7:01 pm	0	4486	Last post by admin Tue Aug 24, 2004 7:01 pm
ANTIOXIDANT IDENTIFICATION BY HPLC-DAD [July 2, 2004] by admin » Tue Aug 24, 2004 7:01 pm	0	4636	Last post by admin Tue Aug 24, 2004 7:01 pm
Hydrocodone [July 4, 2004] by admin » Tue Aug 24, 2004 6:53 pm	2	5361	Last post by admin Tue Aug 24, 2004 6:55 pm
Pyridine substitute [July 5, 2004] by admin » Tue Aug 24, 2004 6:51 pm	0	5359	Last post by admin Tue Aug 24, 2004 6:51 pm
Peak integration - poorly resolved impurities [July 6, 2004] by admin » Tue Aug 24, 2004 6:50 pm	0	5552	Last post by admin Tue Aug 24, 2004 6:50 pm
How does helium degass mobile phase? [July 5, 2004] by admin » Tue Aug 24, 2004 6:47 pm	0	5426	Last post by admin Tue Aug 24, 2004 6:47 pm
Baseline drift [July 6, 2004] by admin » Tue Aug 24, 2004 6:44 pm	0	4933	Last post by admin Tue Aug 24, 2004 6:44 pm

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