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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11917 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	84915	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Peak tailing and overloading by annaand » Thu Apr 09, 2009 6:06 pm	6	3360	Last post by XL Fri Apr 10, 2009 12:48 am
Peak asymmetry and resolution by annaand » Thu Apr 09, 2009 5:31 pm	1	2224	Last post by Uwe Neue Thu Apr 09, 2009 8:58 pm
Plugged autosampler valve by soccerdad007 » Wed Apr 08, 2009 5:04 am	6	3311	Last post by HPLCCONSULT Thu Apr 09, 2009 1:36 pm
how i can increase the sensitivity of my method by shantaram » Mon Apr 06, 2009 9:27 am	4	1990	Last post by shantaram Thu Apr 09, 2009 5:46 am
Help the novice :) by tounsi » Tue Apr 07, 2009 6:29 pm	4	2021	Last post by tom jupille Thu Apr 09, 2009 3:30 am
Ion Exclusion for Small Molecule Analysis by adam » Tue Apr 07, 2009 11:44 pm	6	1959	Last post by adam Wed Apr 08, 2009 11:56 pm
CN columns by Mach » Fri Apr 03, 2009 11:40 am	7	2255	Last post by Uwe Neue Wed Apr 08, 2009 4:19 pm
validation question by olivia » Mon Apr 06, 2009 11:57 pm	2	1861	Last post by pkenny Tue Apr 07, 2009 5:30 pm
Protein Analysis HPLC C-18 by ebasarah » Mon Apr 06, 2009 6:58 pm	6	2920	Last post by Uwe Neue Tue Apr 07, 2009 4:42 pm
Phase collapse for Cyano columns by mohan_2008 » Mon Apr 06, 2009 4:14 am	4	1929	Last post by mohan_2008 Tue Apr 07, 2009 3:34 am
Eclipse XDB C8 by PigmentQueen » Fri Mar 27, 2009 7:42 pm	7	2159	Last post by Uwe Neue Tue Apr 07, 2009 12:56 am
Problem with IEX-HPLC (Anion-exchange) by diablo » Mon Apr 06, 2009 9:12 pm	0	2104	Last post by diablo Mon Apr 06, 2009 9:12 pm
separation of NAD isomers by km06 » Thu Apr 02, 2009 6:36 am	1	1566	Last post by Bryan Evans Mon Apr 06, 2009 1:33 pm
validation question-placebos or finished product by martinamarie » Sun Apr 05, 2009 1:59 am	2	1825	Last post by Alex Buske Mon Apr 06, 2009 12:50 pm
Verification of Compendial methods by michaelcarolus » Thu Mar 19, 2009 7:57 am	13	7950	Last post by krickos Mon Apr 06, 2009 10:48 am
synthetic impurities +finished product validation by martinamarie » Sun Apr 05, 2009 1:57 am	1	1779	Last post by krickos Mon Apr 06, 2009 8:18 am
Sterically protected ODS by Alex Buske » Fri Apr 03, 2009 9:51 am	5	2437	Last post by Alex Buske Mon Apr 06, 2009 6:25 am
EPA 531.2 Help by Bigbear » Thu Mar 12, 2009 2:30 pm	2	2131	Last post by XL Sun Apr 05, 2009 6:16 am
GPC and a negative peak by Aussiemosis » Sun Mar 15, 2009 11:01 pm	5	5798	Last post by AA Sat Apr 04, 2009 1:04 pm
LC column temperature control by dkreller » Fri Apr 03, 2009 7:51 pm	1	1806	Last post by HPLCCONSULT Fri Apr 03, 2009 10:19 pm
proper use of amino column by benzech » Tue Mar 31, 2009 4:52 pm	16	9483	Last post by Ken Tseng Fri Apr 03, 2009 2:35 pm
Enzymatic digestion of proteins by vickig » Thu Apr 02, 2009 11:58 pm	0	1683	Last post by vickig Thu Apr 02, 2009 11:58 pm
shoulder peak problems, overlapping peak problems by keepingthefight » Wed Apr 01, 2009 10:51 am	4	2978	Last post by keepingthefight Thu Apr 02, 2009 11:27 am
Quaternary Ammonium Compounds by MJ » Mon Mar 30, 2009 4:07 am	3	1874	Last post by XL Thu Apr 02, 2009 12:46 am
Look for recommendation on Column Selector by Anthony_Ng » Mon Mar 30, 2009 4:04 am	4	1790	Last post by HPLCCONSULT Wed Apr 01, 2009 11:14 pm
Interesting retention time for C18 column by Anthony_Ng » Thu Mar 26, 2009 2:22 pm	14	3174	Last post by HW Mueller Wed Apr 01, 2009 2:33 pm
Varian ProStar communication error with pumps by tapira1 » Wed Apr 01, 2009 11:48 am	0	1192	Last post by tapira1 Wed Apr 01, 2009 11:48 am
HELP IC chromatograms by seekingwhatisabove » Wed Apr 01, 2009 6:15 am	2	1616	Last post by seekingwhatisabove Wed Apr 01, 2009 10:20 am
Ion-exclusion columns by adam » Mon Mar 23, 2009 11:28 pm	6	3470	Last post by Jade.Barker Wed Apr 01, 2009 2:08 am
HPLC CALIBRATION by NC - CALIBR8R » Thu Mar 26, 2009 8:50 pm	5	4948	Last post by unmgvar Sun Mar 29, 2009 12:16 pm
Rapid resolution HPLC pump by PigmentQueen » Fri Mar 27, 2009 7:42 pm	3	1688	Last post by Kostas Petritis Sat Mar 28, 2009 12:57 am
Any recommendation about LC column and SPE? by zlb215 » Sat Jun 07, 2008 1:32 am	12	2574	Last post by CaliHPLCuser Sat Mar 28, 2009 12:48 am
Sepax HILIC Columns by hajdaei » Tue Feb 03, 2009 11:34 pm	13	2960	Last post by CaliHPLCuser Sat Mar 28, 2009 12:42 am
Can Agilent 1050 link to Waters 2410 RI detector? by Anthony_Ng » Fri Mar 27, 2009 3:19 pm	2	1421	Last post by Bruce Hamilton Fri Mar 27, 2009 11:33 pm
Retention time calculations for a different column. by mbreslav » Fri Mar 27, 2009 8:09 pm	1	1396	Last post by Uwe Neue Fri Mar 27, 2009 8:24 pm
Dionex vs Metrohm IC system by TimJ » Fri Mar 27, 2009 1:40 pm	1	2505	Last post by oscarBAL Fri Mar 27, 2009 3:16 pm
Method Validation - Stress Testing by BMac1984 » Wed Mar 25, 2009 1:23 pm	7	2324	Last post by pkenny Thu Mar 26, 2009 8:55 pm
Wikipedia articles by blaise5669 » Thu Mar 26, 2009 6:11 pm	0	1584	Last post by blaise5669 Thu Mar 26, 2009 6:11 pm
Separation mechanism of two drugs by prashant.musmade » Thu Mar 26, 2009 1:17 pm	1	2046	Last post by Uwe Neue Thu Mar 26, 2009 2:49 pm
validation finished products by scio2 » Wed Mar 18, 2009 11:42 pm	9	2100	Last post by Alex Buske Thu Mar 26, 2009 11:04 am
Lactic acid acetaldehyde salty separation by HPLCSlave » Mon Jan 12, 2009 8:38 am	23	5371	Last post by XL Thu Mar 26, 2009 6:44 am
Dionex ICS-2000 & AutoNeutralization Module by Harold » Mon Mar 23, 2009 10:21 pm	1	1768	Last post by tom jupille Wed Mar 25, 2009 10:14 pm
Plate count and Fronting by chandusabini » Wed Mar 25, 2009 8:18 am	3	1671	Last post by juddc Wed Mar 25, 2009 8:16 pm
Peak appear after switch from Load to Injection Position by Anthony_Ng » Thu Mar 19, 2009 10:03 am	12	3738	Last post by Bruce Hamilton Wed Mar 25, 2009 7:39 pm
Use of EDTA in HPLC by Santosh Gandhi » Sun Mar 01, 2009 2:37 pm	12	9350	Last post by Jade.Barker Tue Mar 24, 2009 6:06 pm
EXPIRED HPLC SOLVENTS by hplc.chem » Fri Mar 20, 2009 11:39 am	6	3435	Last post by Jade.Barker Tue Mar 24, 2009 6:00 pm
sepcificity and LOQ by VJ » Tue Mar 24, 2009 4:12 pm	1	1219	Last post by pkenny Tue Mar 24, 2009 5:42 pm
hairy baseline by PHOBIUS » Tue Mar 24, 2009 2:12 pm	0	1333	Last post by PHOBIUS Tue Mar 24, 2009 2:12 pm
Verification LOQ by Bert Al » Mon Mar 23, 2009 9:22 pm	1	1311	Last post by krickos Tue Mar 24, 2009 7:18 am
Regarding usage of waters Xbridge column with by harish » Mon Dec 15, 2008 5:17 pm	3	1836	Last post by Uwe Neue Mon Mar 23, 2009 8:50 pm

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