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	83520	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Dionex Peaknet Help by lgchrom » Tue Jun 28, 2011 8:59 pm	2	2322	Last post by lgchrom Sun Jul 03, 2011 11:27 am
a peak before DOPAC peak after addition of TEA into MP by novie.ko » Mon Jun 27, 2011 10:21 pm	1	2702	Last post by tom jupille Tue Jun 28, 2011 1:16 pm
HPLC brand by Remus » Fri Jun 24, 2011 9:46 am	13	8789	Last post by Bintang Tue Jun 28, 2011 8:31 am
Interest in Learning Large Molecule Techniques by adam » Mon Jun 27, 2011 5:23 am	1	1429	Last post by tom jupille Mon Jun 27, 2011 8:06 pm
Äkta doesn't communicate by hawulf » Mon Jun 27, 2011 11:51 am	1	1145	Last post by MauriceS Mon Jun 27, 2011 6:28 pm
Sine wave baseline in GC-MS by wangx460 » Mon Jun 27, 2011 4:09 pm	4	3019	Last post by Don_Hilton Thu Jun 30, 2011 2:57 am
GPC columns compatible with Light Scattering Detector by push » Mon Jun 27, 2011 11:58 am	1	1235	Last post by gstaepels Mon Jun 27, 2011 12:26 pm
Seeking HPLC text with good engineering coverage by CJRCL » Sat Jun 25, 2011 10:52 am	1	1316	Last post by tom jupille Sun Jun 26, 2011 2:01 am
Guaiacol and Phenol Separation in HPLC by kellylen1412 » Sat Jun 25, 2011 8:40 am	1	1846	Last post by tom jupille Sun Jun 26, 2011 1:56 am
unspecified impurity treating by stelef » Wed Jun 22, 2011 7:24 pm	4	1794	Last post by stelef Fri Jun 24, 2011 9:17 pm
Cyano column producing PEGs?? by hfredricks » Fri Jun 24, 2011 4:27 pm	0	1397	Last post by hfredricks Fri Jun 24, 2011 4:27 pm
derivatization of triethanolamine by frasmx » Thu Jun 23, 2011 5:27 pm	5	2879	Last post by juddc Fri Jun 24, 2011 2:21 pm
UPLC columns life time by shishanA » Sat Jun 18, 2011 6:14 pm	9	3958	Last post by bisnettrj2 Thu Jun 23, 2011 6:07 pm
Peak Purity for Analyte in Standard & Placebo Spiked by gtma » Wed Jun 22, 2011 5:47 pm	1	1646	Last post by adam Thu Jun 23, 2011 4:10 pm
Agilent prep ALS - Waters Fraction collector III problem by AJH » Thu Jun 23, 2011 11:08 am	2	2144	Last post by AJH Thu Jun 23, 2011 12:04 pm
How to develop a HPLC method to determine Fosfomycin? by woaixiekeshu » Wed Jun 15, 2011 6:47 am	5	5339	Last post by woaixiekeshu Thu Jun 23, 2011 12:00 pm
GFC / need just an opinion by sandro_1987 » Wed Jun 22, 2011 1:16 pm	4	1940	Last post by sandro_1987 Wed Jun 22, 2011 4:51 pm
Dissolution Method Development by HiteshInamdar » Tue Jun 21, 2011 2:10 pm	3	2256	Last post by Gerhard Kratz Wed Jun 22, 2011 2:46 pm
Water's 2695/d injecting larger volume than commanded by Dinky » Tue Jun 21, 2011 1:53 pm	8	2699	Last post by Dinky Wed Jun 22, 2011 10:37 am
HPLC Passivation with Nitric Acid & any unwanted side effect by warlock4761 » Tue Jun 14, 2011 9:47 am	8	9909	Last post by rhaefe Wed Jun 22, 2011 6:45 am
Waters 2695 'solv delivery h/w fault' by Dinky » Sun Jun 19, 2011 2:27 pm	3	9572	Last post by Bull76 Tue Jun 21, 2011 6:56 pm
Method Development/Validation by cody84 » Tue Jun 07, 2011 12:13 pm	4	2349	Last post by HiteshInamdar Tue Jun 21, 2011 2:48 pm
Liquid Flow meter by thohry » Thu Aug 13, 2009 6:53 am	11	11734	Last post by scharfautomation Tue Jun 21, 2011 8:16 am
high pressure on agilent 1100 by lynzjm » Thu Jun 16, 2011 12:59 pm	6	2116	Last post by lynzjm Mon Jun 20, 2011 12:34 pm
separation of carbohydrates by HPLC using RID detector by forward » Tue May 10, 2011 2:31 pm	4	4747	Last post by forward Sun Jun 19, 2011 6:47 pm
Calucation of Assay using Totalchrom custom expressions by missmello » Sat Jun 18, 2011 1:31 am	1	2869	Last post by h20labs Mon Aug 01, 2011 5:14 pm
HPLC Method for sodium acetate anydrous determination by alemaggot » Mon May 23, 2011 11:01 am	62	23718	Last post by alemaggot Tue Jun 21, 2011 10:26 am
how to test melamine by vishnu » Tue Jun 14, 2011 3:57 pm	8	2836	Last post by vishnu Fri Jun 17, 2011 4:49 pm
gpc column by sepscientologist » Wed Jun 15, 2011 5:18 pm	1	1467	Last post by Gerhard Kratz Fri Jun 17, 2011 8:39 am
Advantages and Disadvantages of Cartridge Columns? by Coffman » Wed Jun 15, 2011 10:12 pm	5	2750	Last post by Consumer Products Guy Fri Jun 17, 2011 2:39 am
organic salt analytical method by guoyang » Thu Jun 16, 2011 1:34 pm	3	1527	Last post by juddc Thu Jun 16, 2011 4:59 pm
dionex ELSD issue by lynzjm » Tue Jun 14, 2011 2:52 pm	3	1855	Last post by lynzjm Thu Jun 16, 2011 12:33 pm
Peak tailing ? by Newchromatographer » Tue Jun 14, 2011 10:29 pm	3	1490	Last post by Bintang Thu Jun 16, 2011 9:08 am
Waters alliance 2695 ran dry, now poor peak response by jtoshea2005 » Tue Jun 14, 2011 12:47 pm	2	1537	Last post by jtoshea2005 Thu Jun 16, 2011 12:28 am
waters alliance 2695 injection issue by jtoshea2005 » Tue Jun 14, 2011 12:50 pm	3	2536	Last post by jtoshea2005 Thu Jun 16, 2011 12:24 am
HPLC method validation: sample assay solution stability by Rob Burgess » Thu Jun 09, 2011 3:47 pm	9	5044	Last post by lynzjm Tue Jun 14, 2011 3:03 pm
Decreasing retention time with increasing concentrations by bisnettrj2 » Fri May 20, 2011 4:09 am	20	4942	Last post by trobs Tue Jun 14, 2011 4:39 am
Derivatization of nonionic surfactant by frasmx » Mon Jun 13, 2011 10:26 pm	2	1935	Last post by Consumer Products Guy Tue Jun 14, 2011 2:47 am
excessively high pressures with water but not acetonitrile by hplctroubleshooting » Mon Jun 13, 2011 7:15 pm	2	1547	Last post by hplctroubleshooting Mon Jun 13, 2011 9:06 pm
Method validation by krisradh1432 » Mon May 30, 2011 6:50 pm	7	1910	Last post by tom jupille Sun Jun 12, 2011 8:52 pm
zic hilic _injection volume by Rooke123 » Fri Jun 03, 2011 9:41 pm	4	1805	Last post by Rooke123 Sun Jun 12, 2011 8:38 pm
Polyacrylic acid GPC separation in THF by adai » Thu Jun 09, 2011 12:02 am	2	2679	Last post by adai Sun Jun 12, 2011 5:44 pm
Amino Acid Detection using UV -- Anyone work on this? by ColaChemist » Wed Jun 08, 2011 3:41 pm	9	2745	Last post by HW Mueller Sat Jun 11, 2011 8:35 am
Need to clear my Doubts by chetan.gaonkar » Tue Jun 07, 2011 1:10 pm	10	4498	Last post by chetan.gaonkar Sat Jun 11, 2011 5:18 am
HPLC analysis of fermentation product by pirish » Fri Jun 10, 2011 6:38 pm	4	2306	Last post by pirish Fri Jun 10, 2011 7:25 pm
Reversed phase HPLC method for Terpene hydrocarbon Myrcene by bobby12 » Thu Jun 09, 2011 6:12 pm	4	2259	Last post by bobby12 Fri Jun 10, 2011 5:11 pm
Dionex Price list by ilawrence » Thu May 19, 2011 12:19 am	1	1560	Last post by H2Oh Fri Jun 10, 2011 4:06 pm
Leaking Suppressor - ICS-1500 by Jhoward333 » Mon May 16, 2011 7:46 pm	1	1579	Last post by H2Oh Fri Jun 10, 2011 3:58 pm
Leaking by Pinky Tan » Fri Jun 10, 2011 3:30 am	2	1480	Last post by H2Oh Fri Jun 10, 2011 3:09 pm
Response factors and Y-intercepts by wcrozier » Thu Jun 09, 2011 2:16 am	2	2421	Last post by carls Fri Jun 10, 2011 2:00 pm

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