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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11920 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	93200	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
column got high pressue, help on clean up! by kwfx » Fri Feb 04, 2011 2:39 pm	13	2773	Last post by HW Mueller Thu Feb 10, 2011 4:22 pm
Bischoff Lambda 1010 detector by ilawrence » Thu Feb 10, 2011 6:12 am	1	2221	Last post by Gerhard Kratz Thu Feb 10, 2011 10:14 am
Polarity order of Benzene and Acetophenone by Sandra7 » Tue Feb 08, 2011 6:44 am	11	13641	Last post by Sandra7 Thu Feb 10, 2011 5:44 am
Phosphate buffer and Fluorescence Detector by AnneP » Wed Feb 09, 2011 12:13 pm	1	1927	Last post by tom jupille Thu Feb 10, 2011 2:47 am
Help with sulfur analysis on ICS500? by a4analyst » Tue Feb 08, 2011 10:37 am	4	1568	Last post by a4analyst Wed Feb 09, 2011 6:19 pm
Does SEC column get affected by long term storage in Water?? by rick1112 » Wed Feb 09, 2011 8:49 am	3	1851	Last post by Gerhard Kratz Wed Feb 09, 2011 4:34 pm
Changing Chromatogram by Lorespain » Thu Jun 03, 2010 4:21 pm	3	1596	Last post by Consumer Products Guy Wed Feb 09, 2011 3:42 pm
HFBA dissociation from Arg side chains by DJ » Wed Feb 09, 2011 1:06 am	0	1306	Last post by DJ Wed Feb 09, 2011 1:06 am
Overloading a column by cchan_21 » Tue Feb 08, 2011 8:37 pm	1	1803	Last post by Consumer Products Guy Tue Feb 08, 2011 10:02 pm
Second Calibration not appearing by cchan_21 » Tue Feb 08, 2011 1:33 pm	2	1423	Last post by cchan_21 Tue Feb 08, 2011 8:20 pm
Design life of an Agilent 1100 in injection cycles-estimate by pirish » Wed Feb 02, 2011 4:23 pm	3	1770	Last post by MSCHemist Tue Feb 08, 2011 2:23 pm
Stability-Indicating MV â€“ peak purity of degradant peaks by Lanon » Wed Oct 20, 2010 8:13 pm	6	2578	Last post by Rob Burgess Tue Feb 08, 2011 10:52 am
AKTA 2 pump systems by apmensing » Mon Feb 07, 2011 10:40 pm	0	1438	Last post by apmensing Mon Feb 07, 2011 10:40 pm
Peaks problem by atiqchaudhry » Fri Feb 04, 2011 7:24 pm	13	2028	Last post by juddc Mon Feb 07, 2011 8:55 pm
International guidelines for HPLC/ UPLC calibration by praveenpaliwal » Sun Feb 06, 2011 9:47 pm	1	1908	Last post by JGK Mon Feb 07, 2011 8:07 pm
HPLC column_ Cloxacillin Family by mohammad » Sun Feb 06, 2011 12:37 pm	3	1649	Last post by mohammad Mon Feb 07, 2011 7:55 pm
technical error? by borbo » Sun Feb 06, 2011 8:28 pm	2	1340	Last post by Consumer Products Guy Mon Feb 07, 2011 6:34 pm
effect of pH of mobile phase in HPLC by mritunjai078 » Sun Feb 06, 2011 10:26 am	3	3690	Last post by HW Mueller Mon Feb 07, 2011 8:49 am
how can i retened polar compounds in RPLC like hcl salts by tirajesh » Fri Feb 04, 2011 5:30 pm	1	1422	Last post by carls Sun Feb 06, 2011 3:14 pm
Aqueous Normal phase chromatography & HILIC by esk » Thu Feb 03, 2011 5:08 pm	2	1588	Last post by lmh Fri Feb 04, 2011 4:23 pm
ELSD Calculations by aprilcparker » Wed Feb 02, 2011 9:37 pm	4	3166	Last post by Anthony Squibb Fri Feb 04, 2011 10:49 am
Removing precipitant in column by marine_micro » Wed Dec 15, 2010 11:40 pm	14	3189	Last post by danding_cr Fri Feb 04, 2011 10:29 am
DX-120 mainboard by M_R » Thu Feb 03, 2011 10:30 am	0	1435	Last post by M_R Thu Feb 03, 2011 10:30 am
Codeine by HPLC by Catriona M » Wed Feb 02, 2011 5:36 pm	1	1975	Last post by krickos Thu Feb 03, 2011 8:21 am
Waters Alliance 2690 by flukezg » Tue Feb 01, 2011 3:54 pm	4	2342	Last post by Mattias Thu Feb 03, 2011 6:45 am
Sad news about Uwe Neue by tom jupille » Fri Dec 03, 2010 8:45 pm	24	4990	Last post by aniket1706 Wed Feb 02, 2011 6:13 pm
HPLC problem by AnneP » Tue Feb 01, 2011 1:18 pm	11	2422	Last post by tom jupille Wed Feb 02, 2011 3:49 pm
glutaraldehyde UPLC by ManaJane » Mon Jan 31, 2011 7:44 pm	2	1387	Last post by ManaJane Tue Feb 01, 2011 6:09 pm
DAD and Oxytetracycline by Emi » Tue Feb 01, 2011 4:10 pm	3	1185	Last post by Emi Tue Feb 01, 2011 5:39 pm
Method sensitivity issue-urgent by darasc0211 » Sun Jan 23, 2011 8:26 pm	7	1515	Last post by bisnettrj2 Tue Feb 01, 2011 5:38 am
2-EHA calculation by mohammad » Mon Jan 31, 2011 7:08 pm	8	3126	Last post by mohammad Fri Feb 04, 2011 7:00 am
Inorganic acid in preparative HPLC by oxfordpostdoc » Mon Jan 31, 2011 3:21 pm	1	1298	Last post by tom jupille Mon Jan 31, 2011 6:56 pm
peak purity in SEC, IEC, and Affinity chromatograph by pph31 » Sun Jan 30, 2011 1:32 am	2	1580	Last post by pph31 Mon Jan 31, 2011 1:55 pm
Tetrahydrofuran x RP Columns by carlos.teixeira » Thu Jan 20, 2011 2:54 pm	2	1413	Last post by carlos.teixeira Mon Jan 31, 2011 1:15 pm
Baseline problem with olive oil waste water (RPLC) by suhakan » Mon Nov 29, 2010 9:35 pm	7	1717	Last post by HW Mueller Mon Jan 31, 2011 9:37 am
Peaks from previous injection by Mattias » Thu Jan 27, 2011 8:43 am	3	1421	Last post by Mattias Mon Jan 31, 2011 6:42 am
i am looking for an article by suhakan » Sat Jan 29, 2011 11:38 pm	4	1641	Last post by suhakan Sun Jan 30, 2011 9:27 pm
pyrrolidinium by yaakov » Sun Jan 30, 2011 5:04 pm	0	1337	Last post by yaakov Sun Jan 30, 2011 5:04 pm
Analysis of 15 carbamate compound automatically by GPC by WESAM » Mon Jan 24, 2011 12:11 am	24	3465	Last post by WESAM Sun Jan 30, 2011 4:14 pm
Connecting columns in a series by DJ » Sat Jan 29, 2011 6:53 pm	3	1677	Last post by tom jupille Sun Jan 30, 2011 3:12 am
hep on seperating interference peaks from main peak by kwfx » Tue Jan 25, 2011 6:33 pm	4	1737	Last post by tom jupille Sat Jan 29, 2011 3:49 pm
Mebeverine HCl by HPLC by michaelcarolus » Sat Jan 29, 2011 8:06 am	1	1865	Last post by krickos Sat Jan 29, 2011 9:12 am
water content for biopharmaceuticals by miro2009 » Mon Jan 24, 2011 5:57 pm	4	2118	Last post by Karen01 Sat Jan 29, 2011 1:33 am
Why stationary phase of HPLC column has C- chain in even no. by shantaram » Thu Jan 20, 2011 6:55 am	6	3582	Last post by reyoungs Fri Jan 28, 2011 5:40 pm
prime needle wash diluting sample? by tilly » Thu Jan 13, 2011 7:47 pm	5	2668	Last post by tilly Fri Jan 28, 2011 5:20 pm
analysis of benzoyl peroxide gel by martinamarie » Thu Jan 27, 2011 11:02 pm	1	1927	Last post by Consumer Products Guy Fri Jan 28, 2011 4:06 pm
Buying of ZETALIF Discovery Laser-Induced HPLC Detector by Kazimierz » Fri Jan 28, 2011 12:44 pm	1	1641	Last post by HPLCCONSULT Fri Jan 28, 2011 2:01 pm
Low recoveries in HPLC by Juan Pedro » Fri Jan 28, 2011 2:00 pm	0	1757	Last post by Juan Pedro Fri Jan 28, 2011 2:00 pm
Method For Zinc Acetate in a liquid by pidluk » Wed Jan 26, 2011 7:02 pm	6	3099	Last post by SIELC_Tech Fri Jan 28, 2011 9:47 am
pulse dampener by evo » Tue Jan 25, 2011 8:43 pm	5	3598	Last post by swensen Thu Jan 27, 2011 5:55 pm

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