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
why so many peaks in gradient run by krishchrom » Wed Jul 27, 2011 3:30 pm	1	1661	Last post by tom jupille Wed Jul 27, 2011 7:31 pm
Fractionation of mushroom extract by seamoro » Wed Jul 27, 2011 4:36 am	1	1434	Last post by tom jupille Wed Jul 27, 2011 7:23 pm
Does isomers have same lambda max (UV MAX) by krishchrom » Wed Jul 27, 2011 3:33 pm	1	1360	Last post by Consumer Products Guy Wed Jul 27, 2011 4:09 pm
measure pyrrolidine by HPLC by ryxiao » Tue Jul 26, 2011 10:50 pm	1	2819	Last post by Andy Alpert Wed Jul 27, 2011 2:08 pm
"jagged" peptide peaks by hooky » Tue May 17, 2011 1:10 am	3	2075	Last post by samihat Wed Jul 27, 2011 1:05 am
phosphate solubility contributing to my noisy blank? by mikear » Sat Jun 11, 2011 3:00 pm	6	2711	Last post by austen Wed Jul 27, 2011 12:51 am
yet another questions regarding tocols separation by krisradh1432 » Wed Jan 05, 2011 8:37 am	9	3164	Last post by austen Wed Jul 27, 2011 12:44 am
RRT calculation by brbabu_1979 » Tue Jul 26, 2011 1:09 pm	1	8170	Last post by tom jupille Tue Jul 26, 2011 9:11 pm
Aspartame by Ph.Eur. by Perreman » Mon Jul 25, 2011 9:50 am	2	2031	Last post by Perreman Tue Jul 26, 2011 8:08 am
HPLC DAD FL noisy baseline by AMY2242 » Fri Jul 15, 2011 6:10 pm	20	3039	Last post by agnese Mon Jul 25, 2011 9:38 am
which lithium salt is UV transparent? by GC_Cf » Sat Jul 23, 2011 2:45 am	7	1882	Last post by HW Mueller Sun Jul 24, 2011 8:37 am
The cake pan I used in the lab to carry vol flasks and sampl by Sandra7 » Sun Jul 24, 2011 12:38 am	6	5221	Last post by Sandra7 Tue Aug 02, 2011 5:42 pm
Measure system volume (dwell volume) by ares » Thu Jul 21, 2011 5:23 pm	6	3198	Last post by tom jupille Sat Jul 23, 2011 6:32 am
Purification Problem: Amine-pyrimidine by usuchrom » Wed Jul 20, 2011 2:42 pm	4	1698	Last post by tom jupille Fri Jul 22, 2011 7:19 pm
sulphonated polymer retantion on SAX column by lynzjm » Fri Jul 22, 2011 9:35 am	1	1466	Last post by tom jupille Fri Jul 22, 2011 7:14 pm
Relative retention of peptides in SCX-- revisited by DJ » Thu Jul 21, 2011 1:41 am	2	1503	Last post by Andy Alpert Fri Jul 22, 2011 6:00 pm
When to end HPLC run after target peak appears? by Edde » Thu Jul 21, 2011 9:37 am	7	3250	Last post by Edde Fri Jul 22, 2011 4:28 pm
HPLC recommendations needed! by mixmixi » Thu Jul 21, 2011 10:35 am	7	1696	Last post by Hollow Fri Jul 22, 2011 9:44 am
HILIC Gradient troubles by agrubert » Wed Jul 20, 2011 7:38 pm	7	2802	Last post by agrubert Thu Jul 21, 2011 5:33 pm
Alternatives to freeze-driers/ Biotage V10??? by ns1 » Thu Jul 21, 2011 2:40 pm	5	6007	Last post by Gilson_PLC2020 Wed Aug 03, 2011 2:26 pm
HPLC-EAT, A free tool to profile the greenness of LC methods by Yassergaber2007 » Thu Jul 21, 2011 11:57 am	0	6883	Last post by Yassergaber2007 Thu Jul 21, 2011 11:57 am
Ion Exchange Chromatography elution order question. by vimal.s » Wed Jul 20, 2011 6:33 am	1	5946	Last post by tom jupille Wed Jul 20, 2011 6:59 pm
waters/empower2 issue by jeremyatwsu » Wed Jul 20, 2011 4:47 am	3	2779	Last post by jeremyatwsu Sun Jul 31, 2011 7:37 pm
Vo and Vt standards for FPLC by burroa03 » Tue Jul 19, 2011 3:51 pm	3	2117	Last post by Andy Alpert Wed Jul 20, 2011 2:22 pm
trying to connect an alltech 3300 ELSD to an Agilent HPLC... by lynzjm » Tue Jul 19, 2011 3:30 pm	3	3063	Last post by lynzjm Wed Jul 20, 2011 12:58 pm
Placebo Interference by sank_yb81 » Sat Jul 16, 2011 4:14 pm	5	2327	Last post by sank_yb81 Wed Jul 20, 2011 10:50 am
Shimadzu 2010 retention time moving.. by rams » Sun Jul 17, 2011 4:39 pm	3	1943	Last post by rahul pant Wed Jul 20, 2011 4:12 am
Chlorogenic Acid in Artichoke Leaf Extract by Judith Morales » Tue Jul 19, 2011 11:58 pm	0	2021	Last post by Judith Morales Tue Jul 19, 2011 11:58 pm
Accela UPLC by reuvenk » Wed Oct 20, 2010 5:51 pm	10	5026	Last post by Mike in Seattle Tue Jul 19, 2011 10:22 pm
Separating unwanted ion pairs by lperelman » Tue Jul 19, 2011 9:43 pm	0	1758	Last post by lperelman Tue Jul 19, 2011 9:43 pm
Suitability of triethylammonium acetate for +APCI by stacy2216 » Tue Jul 19, 2011 3:44 pm	1	1861	Last post by kerri Wed Jul 20, 2011 9:43 pm
matrix matched calibration problem by Edde » Mon Jul 11, 2011 3:20 am	12	3102	Last post by Edde Tue Jul 19, 2011 1:39 pm
ethyl acetate as a normal phase eluent? by hfredricks » Thu Jul 14, 2011 2:33 pm	10	6114	Last post by Antje_Traub Tue Jul 19, 2011 1:12 pm
Purity Factor and use of PDA by Juan2011 » Mon Jul 18, 2011 1:17 pm	1	2007	Last post by tom jupille Mon Jul 18, 2011 7:09 pm
thanks by burak » Fri Jul 15, 2011 7:25 am	4	2237	Last post by Don_Hilton Wed Jul 20, 2011 12:53 am
TotalChrom Manual Integration by dxbecker » Mon Jul 18, 2011 6:09 pm	5	6297	Last post by h20labs Mon Aug 01, 2011 5:00 pm
Same Retention Time?? by wolfman1697 » Wed Jul 13, 2011 2:07 am	22	6283	Last post by unmgvar Sun Jul 17, 2011 6:42 pm
waters 2465 electrochemical detector by sofiane » Sun Jul 17, 2011 6:25 pm	0	2444	Last post by sofiane Sun Jul 17, 2011 6:25 pm
Please help me in solving wavelength issue by pakhurimehta » Thu Jul 14, 2011 11:25 am	5	2366	Last post by WillyOne Sun Jul 17, 2011 10:35 am
Running a sample on two different columns by jeneticclone » Thu Jul 14, 2011 5:43 pm	2	1911	Last post by tom jupille Thu Jul 14, 2011 9:14 pm
napthalene in honey by burak » Thu Jul 14, 2011 1:38 pm	3	2113	Last post by tlahren Thu Jul 14, 2011 6:53 pm
Please help me, help me please, to solve my problems in HPLC by katydinh » Wed Jul 13, 2011 6:27 am	3	2066	Last post by katydinh Thu Jul 14, 2011 3:13 am
waters UPLC fitting by benmaskrey » Wed Jul 13, 2011 11:41 am	8	3959	Last post by Lusby43 Wed Jul 13, 2011 11:58 pm
Experience with replacement of Waters 2475 lamp? by dkreller » Mon Nov 08, 2010 9:54 pm	6	2913	Last post by remesquaddie Wed Jul 13, 2011 11:16 pm
1100 pressure fluctuation by sepscientologist » Wed Jul 06, 2011 10:31 pm	7	3033	Last post by sepscientologist Wed Jul 13, 2011 8:45 pm
How to reduce ferrous ion interference during assay by HPLC? by samarthan » Wed Jul 13, 2011 3:04 pm	0	1686	Last post by samarthan Wed Jul 13, 2011 3:04 pm
column chrom by Durga malleswar » Tue Jul 12, 2011 9:29 am	3	1734	Last post by HW Mueller Wed Jul 13, 2011 9:17 am
PE Iris by mmegliol » Wed Jul 13, 2011 3:11 am	0	1618	Last post by mmegliol Wed Jul 13, 2011 3:11 am
Metrohm 761 IC by ilawrence » Tue Jul 05, 2011 7:30 am	4	7156	Last post by ilawrence Wed Jul 13, 2011 2:44 am
Why the changes in pH of buffer? by Sazabi » Tue Jul 12, 2011 9:20 pm	1	1481	Last post by sepscientologist Tue Jul 12, 2011 10:10 pm

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