Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 398	398	1498	Last post Re: Carbonates by liko44 Sat Oct 18, 2025 5:45 am
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: 119	119	467	Last post Re: choice of GPC software by pigsy1983 Tue Jul 08, 2025 4:23 pm

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11909 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62371	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
stability of minocycline in extracted samples from plasma by anilray1155 » Sat Mar 24, 2007 9:00 am	0	1913	Last post by anilray1155 Sat Mar 24, 2007 9:00 am
Cellulose/Mg stearate solubility by jdlh199 » Fri Mar 23, 2007 6:50 pm	4	3476	Last post by Dan Fri Mar 23, 2007 8:15 pm
Basic Mechanism of Separation in Chiral Analysis by adam » Wed Feb 21, 2007 10:57 pm	14	6050	Last post by HW Mueller Fri Mar 23, 2007 4:42 pm
Reintegrate the peak using different wavelength by syx » Fri Mar 23, 2007 12:46 am	1	2350	Last post by Consumer Products Guy Fri Mar 23, 2007 2:49 pm
Column cleaning; eluent containing buffer by vanja13 » Wed Mar 21, 2007 7:05 am	5	3987	Last post by HW Mueller Fri Mar 23, 2007 8:05 am
Use of MTBE as a reversed phase solvent by adam » Wed Mar 21, 2007 11:58 pm	4	6464	Last post by Bruce Hamilton Fri Mar 23, 2007 3:03 am
Acidic vs. Basic for pKa 7.1 by balmond » Thu Mar 22, 2007 11:10 pm	1	2764	Last post by SIELC_Tech Thu Mar 22, 2007 11:32 pm
elsd quantification of amino acids by Peter H » Thu Mar 22, 2007 12:05 am	2	3305	Last post by Kostas Petritis Thu Mar 22, 2007 10:15 pm
peak capacity by koen_shimadzu » Thu Mar 22, 2007 9:27 am	3	3740	Last post by Kostas Petritis Thu Mar 22, 2007 9:59 pm
derivatisation by tracy » Wed Mar 07, 2007 8:44 pm	5	3023	Last post by kurian Thu Mar 22, 2007 2:53 pm
Unretained Compound by vikmurush » Fri Mar 09, 2007 2:03 pm	22	6750	Last post by vikmurush Thu Mar 22, 2007 1:21 pm
Intermediate precision validation: how many instruments? by labcat » Wed Mar 21, 2007 4:38 pm	6	4205	Last post by labcat Thu Mar 22, 2007 8:23 am
IC sodium metabisulfite assay by rover4488 » Thu Mar 15, 2007 9:06 pm	2	3331	Last post by JM Thu Mar 22, 2007 5:05 am
Variable peak area - elaidic acid by Robotjock » Wed Mar 21, 2007 4:47 pm	1	2215	Last post by SIELC_Tech Wed Mar 21, 2007 5:37 pm
Vitamin A Palmitate by Charles A. Burger » Thu Mar 15, 2007 8:10 pm	2	2259	Last post by Charles A. Burger Wed Mar 21, 2007 2:12 pm
Low pressure affinity chromatography by Laegochrom » Wed Mar 21, 2007 2:43 am	0	1858	Last post by Laegochrom Wed Mar 21, 2007 2:43 am
Amino Acid derivatization by Heikki » Sat Mar 17, 2007 12:22 pm	6	4004	Last post by Hollow Tue Mar 20, 2007 5:09 pm
mobile water quality monitoring system by aji jo » Tue Mar 20, 2007 9:49 am	0	2064	Last post by aji jo Tue Mar 20, 2007 9:49 am
Median Baseline Filtering; Questions by Rob Burgess » Fri Mar 09, 2007 10:16 am	10	6301	Last post by Mark Tracy Tue Mar 20, 2007 12:43 am
Triethylammonium acetate (TEAA) and acetonitrile by krabbykabby » Fri Mar 16, 2007 4:07 am	5	14559	Last post by JA Mon Mar 19, 2007 11:02 pm
Normal Phase Liquid Chromatography by Roy8 » Thu Mar 15, 2007 1:04 am	1	2794	Last post by tom jupille Mon Mar 19, 2007 10:41 pm
Sorption of analyte on the column by shah_sunil » Thu Mar 08, 2007 8:14 am	4	3036	Last post by tom jupille Mon Mar 19, 2007 9:59 pm
Solubility of NaClO4 at pH 6.5 by Roy8 » Mon Mar 19, 2007 6:22 pm	0	2828	Last post by Roy8 Mon Mar 19, 2007 6:22 pm
Misinjection problem by sul4 » Wed Mar 14, 2007 3:23 am	5	5238	Last post by kkassan Mon Mar 19, 2007 5:19 pm
Comparative Study for Modern LC Columns by SIELC_Tech » Sat Mar 17, 2007 7:25 pm	8	3146	Last post by koen_shimadzu Mon Mar 19, 2007 10:55 am
Is excitation and emmision depends on the buffers/RP-HPLC by rajeev » Thu Mar 15, 2007 2:41 am	4	2441	Last post by HW Mueller Mon Mar 19, 2007 8:39 am
methods of seperation compo from Calluna vulgaris(Heather) by udrele » Sun Mar 18, 2007 9:15 pm	0	1628	Last post by udrele Sun Mar 18, 2007 9:15 pm
Information on HPLC method development required by josephkj » Sun Mar 18, 2007 8:49 am	1	1913	Last post by Uwe Neue Sun Mar 18, 2007 2:48 pm
Fatty Acids, help. by oscarBAL » Fri Mar 16, 2007 10:56 pm	3	2800	Last post by oscarBAL Sun Mar 18, 2007 1:26 pm
HPLC column packing 250GL4-OH-8 by Louise77 » Sun Mar 18, 2007 4:01 am	0	1813	Last post by Louise77 Sun Mar 18, 2007 4:01 am
4-epi-Chlortetracycline by Louise77 » Mon Mar 12, 2007 5:21 am	2	2109	Last post by Louise77 Sun Mar 18, 2007 3:54 am
Derivatization of methionine by noam » Wed Mar 14, 2007 7:19 pm	5	2384	Last post by JMB Sat Mar 17, 2007 6:45 pm
Using Diethyl Ether in a Liquid-Liquid Extraction by Larry » Fri Mar 16, 2007 7:51 pm	2	2336	Last post by Bruce Hamilton Fri Mar 16, 2007 10:46 pm
Sovent consumption calculation by GB » Fri Mar 16, 2007 11:48 am	2	2045	Last post by Mark Tracy Fri Mar 16, 2007 5:53 pm
GRADIENT HPLC METHOD DEVELOPEMENT by RAMESH JANGA » Thu Mar 15, 2007 6:12 am	1	1891	Last post by Mark Tracy Fri Mar 16, 2007 5:41 pm
Polyacrylamide by GPC by jdlh199 » Wed Mar 14, 2007 6:38 pm	7	4801	Last post by ym3142 Fri Mar 16, 2007 5:17 pm
selection of columns by RAMESH JANGA » Fri Mar 16, 2007 7:06 am	1	2254	Last post by SIELC_Tech Fri Mar 16, 2007 12:29 pm
Derivatization for aminoacids with a tertiary amine group by cristobal » Wed Mar 14, 2007 12:05 am	4	3379	Last post by JMB Fri Mar 16, 2007 11:17 am
Methionine containing peptid separation? by noam » Wed Mar 14, 2007 6:55 pm	2	2203	Last post by noam Fri Mar 16, 2007 6:07 am
UPLC Column problems by H » Wed Feb 28, 2007 3:58 pm	29	18929	Last post by koen_shimadzu Thu Mar 15, 2007 7:45 am
work in low wavelenght by sara allen » Mon Mar 05, 2007 5:24 am	5	3013	Last post by Uwe Neue Thu Mar 15, 2007 12:22 am
Embeded polar phases by Cliff Mitchell » Wed Mar 07, 2007 5:03 pm	5	2529	Last post by Uwe Neue Thu Mar 15, 2007 12:11 am
Two questions about HPLC of neurotransmitter (NE/5-HT/DA) by hachoo » Wed Mar 07, 2007 6:34 am	2	1987	Last post by Mark Tracy Thu Mar 15, 2007 12:10 am
Peptide nightmare by chichibabin » Tue Mar 13, 2007 6:06 pm	2	1971	Last post by noam Wed Mar 14, 2007 7:14 pm
hi all by raghunandan » Fri Mar 09, 2007 6:10 am	5	2566	Last post by SIELC_Tech Mon Mar 12, 2007 9:03 pm
Are you happy with your UPLC? by lamond1973 » Tue Feb 20, 2007 11:05 am	20	8760	Last post by Wayne Way Mon Mar 12, 2007 2:15 pm
phenomenex Gemini C-18 column problem please help by fkw » Sat Mar 10, 2007 7:10 pm	9	4107	Last post by Noser222 Mon Mar 12, 2007 1:46 pm
peak separation by vanja13 » Fri Mar 09, 2007 9:47 am	3	2728	Last post by vanja13 Mon Mar 12, 2007 8:28 am
Bischoff- POPLC by vanja13 » Fri Feb 23, 2007 9:40 am	11	4831	Last post by vanja13 Mon Mar 12, 2007 7:06 am
Bad Baseline in High Speed by syx » Tue Feb 06, 2007 4:06 am	14	5182	Last post by syx Mon Mar 12, 2007 1:08 am

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