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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11916 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	83534	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
SAX method optimization by MestizoJoe » Wed Mar 09, 2011 5:18 pm	8	1633	Last post by MestizoJoe Mon Mar 14, 2011 5:51 pm
chromatography by rcpatel2 » Fri Mar 11, 2011 4:26 am	4	1557	Last post by rcpatel2 Mon Mar 14, 2011 2:13 am
white precipitate in mobile pahse by kromanew » Tue Mar 08, 2011 11:28 pm	13	3116	Last post by HW Mueller Sun Mar 13, 2011 9:35 am
Gilson HPLC, Uni point software by awais » Fri Mar 04, 2011 11:55 pm	1	4058	Last post by Gilson_PLC2020 Fri Mar 11, 2011 4:13 pm
urease inhibitor (NBPT) in soil or in cow slurry by eminet1 » Fri Mar 11, 2011 10:36 am	0	1890	Last post by eminet1 Fri Mar 11, 2011 10:36 am
wide pore (>= 500Å) RP columns? by grumbledook » Fri Mar 11, 2011 8:46 am	0	1524	Last post by grumbledook Fri Mar 11, 2011 8:46 am
Paracetamol and Codeine phosphate Impurity determination by Chokshi Mahesh » Thu Mar 10, 2011 11:24 am	3	2436	Last post by Chokshi Mahesh Fri Mar 11, 2011 3:50 am
What do you think about Shimadzu Prominence? by koko » Thu Jul 09, 2009 12:13 am	6	3406	Last post by PeterS Thu Mar 10, 2011 4:30 pm
DAD 9065 detector by aman » Mon Mar 07, 2011 12:10 pm	5	2437	Last post by aman Thu Mar 10, 2011 12:53 pm
Shimadzu Flow Channel Selection Valve by carlos.teixeira » Thu Mar 10, 2011 12:38 pm	0	1884	Last post by carlos.teixeira Thu Mar 10, 2011 12:38 pm
Varian rough pump oil level by Jsup » Thu Mar 10, 2011 5:36 am	1	2402	Last post by Rick Fri Mar 11, 2011 9:45 pm
Shimadzu SCL-10A by quantumalex » Wed Mar 09, 2011 8:00 pm	0	2526	Last post by quantumalex Wed Mar 09, 2011 8:00 pm
Method Develpoment by RobPelot » Wed Mar 09, 2011 6:38 am	4	2242	Last post by yanyan Wed Mar 09, 2011 7:56 pm
Peak eluting too close to solvent front by wan » Fri Mar 04, 2011 5:40 am	8	5422	Last post by wan Wed Mar 09, 2011 4:05 pm
SEC / GPC column for aqueous proteins (1000 - 20000 Da) by gavin.fernandes » Thu Feb 24, 2011 12:09 pm	9	3061	Last post by Andy Alpert Wed Mar 09, 2011 2:58 pm
Chromatography Problems by KAUSHIKZALA » Wed Mar 09, 2011 2:32 pm	0	6008	Last post by KAUSHIKZALA Wed Mar 09, 2011 2:32 pm
What to do with old columns by Assembler » Mon Mar 07, 2011 4:27 pm	6	2775	Last post by lmh Wed Mar 09, 2011 1:23 pm
what HPLC or UPLC chain to choose? by ocasier » Tue Mar 01, 2011 2:10 pm	4	2274	Last post by Hfranz Wed Mar 09, 2011 8:32 am
please read and show for me by vinhvinh1979g » Fri Mar 04, 2011 2:16 pm	5	2057	Last post by InfraredRoses Tue Mar 08, 2011 12:58 am
what is argon purged USP ethanol? Does it mean it's purer? by kwfx » Fri Mar 04, 2011 3:04 am	3	2321	Last post by tom jupille Tue Mar 08, 2011 12:14 am
Method Development using "Linear" Buffer Systems by freemab222 » Thu Jan 20, 2011 6:49 am	9	3572	Last post by tom jupille Mon Mar 07, 2011 7:03 pm
peak in void volume by trilobite » Thu Mar 03, 2011 6:43 pm	7	3951	Last post by Mattias Mon Mar 07, 2011 11:45 am
Surfactant Impurities by aprilcparker » Wed Mar 02, 2011 1:31 pm	10	3535	Last post by SIELC_Tech Sun Mar 06, 2011 11:20 pm
Agilent Chemstation_RRTs by mohammad » Sun Mar 06, 2011 11:33 am	7	4545	Last post by bundy5555 Tue Jul 05, 2016 1:38 pm
Monitoring Alkaline Hydrolysis using HPLC by gavin.fernandes » Mon Feb 28, 2011 5:43 pm	1	1927	Last post by InfraredRoses Sun Mar 06, 2011 5:34 am
Peak Purity by umoshplc » Mon Feb 21, 2011 8:34 pm	11	6183	Last post by Alex Buske Fri Mar 04, 2011 9:06 pm
unknown alarm lamp on Dionex Pulsed Electrochemical Detector by janjac1981 » Thu Mar 03, 2011 9:16 am	1	2063	Last post by helty Fri Mar 04, 2011 8:20 am
In-line filter and pre-column for UHPLC columns by XL » Tue Feb 22, 2011 4:45 am	5	2853	Last post by XL Fri Mar 04, 2011 6:21 am
CN columns for analysis of amines by wan » Fri Feb 25, 2011 12:22 am	2	1705	Last post by wan Fri Mar 04, 2011 5:42 am
chromatography drift by trilobite » Thu Mar 03, 2011 5:11 pm	4	2221	Last post by trilobite Thu Mar 03, 2011 8:37 pm
split peaks at low concentrations by trilobite » Tue Feb 22, 2011 7:55 pm	6	4564	Last post by trilobite Thu Mar 03, 2011 5:20 pm
buffer precipitation in UPLC by trilobite » Fri Feb 25, 2011 9:16 pm	5	2948	Last post by trilobite Thu Mar 03, 2011 5:17 pm
is my peptide retaining in the column? by vijayak » Wed Mar 02, 2011 2:53 pm	3	1690	Last post by tom jupille Thu Mar 03, 2011 3:25 pm
Arrrgh: Waters 600 - pressure variation problems by dkreller » Fri Oct 08, 2010 1:56 am	16	5709	Last post by vanwa71 Thu Mar 03, 2011 4:22 am
enlarge the chromatogram to calculate noise ? by Newchromatographer » Mon Feb 28, 2011 11:28 pm	3	2365	Last post by HPLCCONSULT Wed Mar 02, 2011 9:12 pm
Ion-exchange of FSH hormone by Mattias » Wed Feb 23, 2011 1:50 pm	3	1360	Last post by danko Wed Mar 02, 2011 4:55 pm
Thinking of upgrading Waters 2690 by Anthony_Ng » Wed Mar 02, 2011 4:22 pm	5	6081	Last post by 2panther Mon Jan 08, 2018 2:58 pm
hcl as diluent by sanS » Wed Mar 02, 2011 11:13 am	2	1320	Last post by HW Mueller Wed Mar 02, 2011 3:13 pm
Cleaning RP C18 Column Questions by RobPelot » Sun Feb 27, 2011 4:38 pm	3	2453	Last post by Gerhard Kratz Wed Mar 02, 2011 1:28 pm
First use of SEC column by agomulcz » Mon Feb 28, 2011 7:49 am	4	2182	Last post by skunked_once Tue Mar 01, 2011 2:33 pm
Method sensitivity issue- Please help by rgonsal » Sun Feb 27, 2011 10:35 pm	5	1300	Last post by tom jupille Tue Mar 01, 2011 4:45 am
THF and peptide by Biopharmchat » Mon Feb 28, 2011 11:25 pm	0	1146	Last post by Biopharmchat Mon Feb 28, 2011 11:25 pm
Problem with inertsil SP column by aniket1706 » Mon Feb 28, 2011 5:17 pm	1	1340	Last post by tom jupille Mon Feb 28, 2011 7:09 pm
Ion Count vs Ionization Time in LCMS IonTrap? by raghafr » Mon Feb 28, 2011 4:53 pm	4	2715	Last post by raghafr Tue Mar 01, 2011 4:16 pm
Separation of Al and DOPC by BoGa » Wed Feb 23, 2011 9:12 am	7	2009	Last post by BoGa Mon Feb 28, 2011 7:38 am
is it column overloading? by emanuele.scollo » Fri Feb 18, 2011 9:38 pm	3	1609	Last post by RobPelot Mon Feb 28, 2011 5:57 am
continuously stirred mobile phase. by MestizoJoe » Fri Feb 25, 2011 7:13 pm	2	1622	Last post by Gerhard Kratz Sun Feb 27, 2011 7:28 pm
dead volume of the pump LC by hoba » Mon Feb 01, 2010 3:26 pm	5	2676	Last post by HPLCCONSULT Sun Feb 27, 2011 1:53 am
linear gradient and step gradient in HPLC by sanS » Tue Feb 22, 2011 5:52 am	5	7587	Last post by Jiri Urban Sat Feb 26, 2011 7:27 am
Chromatography Drift :( Eluting off early. by djaydearz » Thu Feb 24, 2011 4:05 pm	5	1808	Last post by juddc Fri Feb 25, 2011 9:48 pm

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