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
Beckman Coulter piston cracked! by Kinetic11 » Fri Feb 25, 2011 5:32 am	2	1290	Last post by HPLCCONSULT Fri Feb 25, 2011 7:53 pm
Azide/Aniline resolution by PJ8 » Fri Feb 18, 2011 3:59 pm	3	1613	Last post by PJ8 Fri Feb 25, 2011 4:11 pm
Concentration of buffer of mobile phase in RPC by esk » Sat Feb 19, 2011 5:30 am	11	2114	Last post by carls Fri Feb 25, 2011 1:29 pm
Do coeluting peaks interfere constructively? by manicvt » Thu Feb 24, 2011 4:12 pm	5	1974	Last post by danko Fri Feb 25, 2011 9:27 am
Does anyone knows approximate market size of HPLC and UHPLC? by ravindra » Sun Feb 20, 2011 6:39 pm	1	1776	Last post by Alfred88 Fri Feb 25, 2011 2:34 am
Waters 6000A Pressure Transducer by schwabad » Thu May 20, 2010 3:45 pm	5	2293	Last post by herbmaker Thu Feb 24, 2011 6:57 pm
column life time is very short by isaac.zagal » Wed Feb 23, 2011 6:10 am	5	1823	Last post by tom jupille Thu Feb 24, 2011 5:11 pm
Acclaim surfactant column by push » Sun Feb 13, 2011 3:20 pm	19	3821	Last post by HW Mueller Thu Feb 24, 2011 4:53 pm
chiral separation in a microemulsion by eli » Thu Feb 24, 2011 2:42 pm	0	1285	Last post by eli Thu Feb 24, 2011 2:42 pm
Relation between column length and flow rate by doc21 » Wed Feb 23, 2011 8:11 pm	2	4550	Last post by Bluesman75 Thu Feb 24, 2011 11:35 am
risedronate+ca+vitamin D3 tablets by sehvar » Thu Feb 24, 2011 9:00 am	0	1401	Last post by sehvar Thu Feb 24, 2011 9:00 am
Problem with cleaning column?? by monic » Thu Feb 17, 2011 8:18 pm	6	1693	Last post by HW Mueller Wed Feb 23, 2011 10:11 am
Column for EPA 3640 GPC Cleanup by EBChemist » Tue Feb 22, 2011 8:23 pm	2	5163	Last post by AICMM Thu Feb 24, 2011 3:13 pm
Baseline_Agilent HPLC by mohammad » Thu Feb 17, 2011 7:42 pm	7	1658	Last post by Bluesman75 Tue Feb 22, 2011 8:07 am
Spectra 100 UV Detector by Lorcan » Mon Jan 31, 2011 5:02 pm	2	1648	Last post by elsico Mon Feb 21, 2011 3:58 pm
Alternative approaches for method validation -HPLC for drugs by Alfred88 » Fri Feb 11, 2011 9:13 am	10	4610	Last post by lmh Mon Feb 21, 2011 12:04 pm
On-colum precipitation, storage, recovery by DJ » Fri Feb 11, 2011 10:21 am	6	1715	Last post by Peter Apps Mon Feb 21, 2011 7:09 am
Dionex Acclaim E2 column issue - scaling from HPLC to U-HPLC by bisnettrj2 » Sat Jan 29, 2011 4:47 am	13	3020	Last post by bisnettrj2 Mon Feb 21, 2011 6:40 am
SPE of organic acids with SAX by emanuele.scollo » Fri Feb 18, 2011 9:50 pm	3	2143	Last post by emanuele.scollo Sun Feb 20, 2011 6:31 pm
problems with sample analysis benzoyl peroxide by martinamarie » Sat Feb 19, 2011 1:28 pm	2	1669	Last post by Consumer Products Guy Sat Feb 19, 2011 6:12 pm
negative baseline drift by emanuele.scollo » Fri Feb 18, 2011 10:01 pm	1	5171	Last post by tom jupille Fri Feb 18, 2011 11:51 pm
getting retention on an SCX column by MestizoJoe » Wed Feb 16, 2011 3:03 pm	12	2859	Last post by MestizoJoe Fri Feb 18, 2011 8:39 pm
Connecting old autosampler to new HPLC system (Shimadzu) by sanshonomi » Sun Feb 06, 2011 3:41 am	3	2080	Last post by jamott Fri Feb 18, 2011 5:50 pm
Bubbles ... by HPLC_Help » Tue Feb 15, 2011 3:33 pm	5	3570	Last post by HW Mueller Thu Feb 17, 2011 4:56 pm
HPLC-ECD peak quality decline by cannonjr » Tue Feb 15, 2011 3:10 pm	4	2410	Last post by cannonjr Thu Feb 17, 2011 2:25 pm
glycine HCl and PBS adjusted with H3PO4 by pph31 » Thu Feb 17, 2011 2:37 am	0	1610	Last post by pph31 Thu Feb 17, 2011 2:37 am
solvent selection for flavinoids ? by parveen286 » Wed Feb 16, 2011 4:58 pm	0	1449	Last post by parveen286 Wed Feb 16, 2011 4:58 pm
CHIRAL HPLC COLUMN PACKING CONDITIONS by A.L.N. MURTHY » Tue Feb 15, 2011 9:39 am	2	1895	Last post by A.L.N. MURTHY Wed Feb 16, 2011 8:11 am
Method validation by brbabu_1979 » Sat Dec 04, 2010 10:32 am	13	2959	Last post by mac Tue Feb 15, 2011 9:44 pm
New HPLC System Choice by cms12 » Mon Feb 14, 2011 3:22 pm	6	1738	Last post by cms12 Tue Feb 15, 2011 3:03 pm
sugar separation RID detector propylamino column by lisanaftali » Fri Feb 04, 2011 3:38 am	10	2760	Last post by lisanaftali Tue Feb 15, 2011 1:57 pm
immobilized stationary phase by vvreddy » Mon Feb 14, 2011 12:03 pm	2	1526	Last post by vvreddy Tue Feb 15, 2011 4:10 am
t0 by Biopharmchat » Mon Feb 14, 2011 7:44 pm	2	1405	Last post by Biopharmchat Mon Feb 14, 2011 8:59 pm
Biomolecule method development issue by vijayak » Tue Feb 08, 2011 3:03 pm	12	1698	Last post by dorota Mon Feb 14, 2011 6:07 pm
Regression and 95% confidence by WK » Sat Feb 12, 2011 8:14 pm	4	1531	Last post by aceto_81 Mon Feb 14, 2011 3:36 pm
Prep Nova-Pak HR C18 Column, 6 µm, 7.8 x 300 mm by ming » Sun Feb 13, 2011 3:17 am	5	2914	Last post by ming Mon Feb 14, 2011 1:56 pm
A issue in injector precission? by vijayak » Sat Feb 12, 2011 10:53 am	2	1420	Last post by bisnettrj2 Sun Feb 13, 2011 1:17 am
How to protect IC column by yaakov » Tue Feb 08, 2011 1:53 pm	4	1645	Last post by tom jupille Sat Feb 12, 2011 4:25 pm
LOOKING FOR ( ANALYTICAL METHOD FOR HPLC ) by WESAM » Sat Feb 12, 2011 2:31 pm	2	3603	Last post by MaryCarson Tue Feb 15, 2011 3:50 pm
Shimadzu LC-10AD by quantumalex » Tue Jan 25, 2011 8:38 pm	7	3037	Last post by Russ Sat Feb 12, 2011 3:38 am
Agilent service - Contractors suggestions? SF Bay Area by schpen » Thu Feb 10, 2011 3:47 pm	2	1673	Last post by schpen Sat Feb 12, 2011 12:53 am
solvent peak's position changing by pri6886 » Fri Jan 28, 2011 10:43 pm	11	1880	Last post by tom jupille Fri Feb 11, 2011 8:53 pm
Professional lab for HPLC development by LCFlo » Thu Feb 10, 2011 8:06 am	4	1729	Last post by dorota Fri Feb 11, 2011 7:12 am
ELSD by WK » Thu Feb 10, 2011 3:32 pm	1	1321	Last post by HPLCCONSULT Thu Feb 10, 2011 10:25 pm
reversed-phase sample displacement chromatography by DJ » Thu Feb 10, 2011 5:39 pm	1	1824	Last post by bisnettrj2 Thu Feb 10, 2011 9:11 pm
How to clean ion exchange column effectively? by Anthony_Ng » Thu Feb 10, 2011 9:43 am	3	3762	Last post by tom jupille Thu Feb 10, 2011 9:08 pm
column got high pressue, help on clean up! by kwfx » Fri Feb 04, 2011 2:39 pm	13	2666	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	2178	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	13573	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	1880	Last post by tom jupille Thu Feb 10, 2011 2:47 am

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