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	83638	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
New Online Resource Centre by paraboxa » Tue Aug 01, 2006 3:07 pm	0	2233	Last post by paraboxa Tue Aug 01, 2006 3:07 pm
controlling retention time and pH by sluggo » Mon Jul 10, 2006 7:15 pm	17	9052	Last post by sluggo Mon Jul 31, 2006 6:36 pm
degasser by sudhis » Sun Jul 30, 2006 7:25 am	2	2313	Last post by Mark Tracy Mon Jul 31, 2006 5:44 pm
cooler sample by sudhis » Sun Jul 30, 2006 7:29 am	2	2221	Last post by Mark Tracy Mon Jul 31, 2006 5:32 pm
Clean up prior to analysis? by SMC » Mon Jul 17, 2006 7:09 am	15	5094	Last post by chhubert Mon Jul 31, 2006 3:15 pm
PAHs analysis in water samples by maryams » Sun Jul 30, 2006 7:16 am	5	3235	Last post by AdrianF Mon Jul 31, 2006 2:31 pm
Calibration Curve Problem by Prometheus » Thu Jul 13, 2006 4:41 am	14	5154	Last post by Vingo Mon Jul 31, 2006 2:09 pm
HILIC Column Cleanup by Douglas Moore » Sat Jul 22, 2006 2:45 am	2	2792	Last post by Uwe Neue Sat Jul 29, 2006 1:53 am
zwitterionic compounds by Enda » Tue Jul 18, 2006 5:27 pm	21	7487	Last post by Uwe Neue Sat Jul 29, 2006 1:39 am
Methanol usage with bare silica column by avitan » Sun Jul 23, 2006 6:15 pm	12	5982	Last post by Uwe Neue Sat Jul 29, 2006 1:13 am
Ghost peak in reversed phase by Aidan » Tue Jul 25, 2006 4:01 pm	9	4133	Last post by Uwe Neue Sat Jul 29, 2006 1:03 am
LC-MS/MS for steroid analysis in human serum and urine by Jaak » Sat Jun 17, 2006 9:36 am	4	3106	Last post by Uwe Neue Sat Jul 29, 2006 12:56 am
Lycopene by HPLC-DAD by carlos.teixeira » Thu Jul 27, 2006 10:30 pm	3	2845	Last post by Mark Tracy Fri Jul 28, 2006 7:02 pm
Column for highly aqueous mobile phase by Prometheus » Thu Jul 13, 2006 9:09 am	10	3957	Last post by ghie malig Fri Jul 28, 2006 11:11 am
%recovery in experimental design by amotic » Fri Jul 21, 2006 2:23 pm	4	3488	Last post by JM Fri Jul 28, 2006 8:17 am
Ion-chrom: are PEEK pump componenets necessary? by Andyp » Wed Jul 19, 2006 12:39 pm	19	7324	Last post by Chris Pohl Fri Jul 28, 2006 8:09 am
Life of HP 1050 DAD detector Lamp by letsdoit » Thu Jul 27, 2006 9:00 pm	0	2091	Last post by letsdoit Thu Jul 27, 2006 9:00 pm
Quantifying castor oil extracted from plasma by Larry » Wed Jul 26, 2006 6:00 pm	7	3888	Last post by Larry Thu Jul 27, 2006 3:21 pm
total saponins analysis by imonic » Mon Jul 17, 2006 9:21 am	1	2255	Last post by Kelly Johnson Thu Jul 27, 2006 3:43 am
mechanism explanation by vincenzoxxx » Wed Jul 26, 2006 1:05 pm	0	2171	Last post by vincenzoxxx Wed Jul 26, 2006 1:05 pm
Impurity of Risedronate Sodium by syx » Fri Jul 14, 2006 1:06 am	7	3344	Last post by syx Wed Jul 26, 2006 12:19 am
Acetone Sample Solvent and LC-GC Question by jonjon » Mon Jul 17, 2006 5:21 pm	3	3835	Last post by Consumer Products Guy Tue Jul 25, 2006 7:26 pm
Identification of standard by Ameroid » Mon Jul 10, 2006 7:25 am	12	4003	Last post by Mark Tracy Tue Jul 25, 2006 5:11 pm
strange peak near end of elution by s » Mon Jul 17, 2006 5:49 pm	11	4730	Last post by Andyp Mon Jul 24, 2006 3:45 pm
phenylephrine impurities by jamesque » Sun Jul 23, 2006 11:27 pm	0	2790	Last post by jamesque Sun Jul 23, 2006 11:27 pm
Assay Method Validation by Liza » Mon Jul 17, 2006 1:42 am	5	3270	Last post by Liza Fri Jul 21, 2006 10:15 pm
Software (hence sensitivity) problem by letsdoit » Wed Jul 19, 2006 10:09 pm	6	2888	Last post by Bruce Hamilton Fri Jul 21, 2006 7:24 pm
pH meter broken electrode? by fbreton » Tue Jul 18, 2006 7:34 pm	16	6796	Last post by gbalock Fri Jul 21, 2006 6:31 pm
Stability Comparison by Prometheus » Fri Jul 21, 2006 11:36 am	0	2116	Last post by Prometheus Fri Jul 21, 2006 11:36 am
HP1100 autosampler problem! by fbreton » Thu Jul 13, 2006 9:29 pm	4	7750	Last post by Rollo Fri Jul 21, 2006 10:42 am
HP1100 G1313A ALS firmware update by fbreton » Mon Jul 17, 2006 10:35 pm	3	3284	Last post by Rollo Fri Jul 21, 2006 10:29 am
Column Washing & Equilibration by Prometheus » Wed Jul 19, 2006 8:57 am	2	2491	Last post by Prometheus Fri Jul 21, 2006 10:17 am
To stir or not to stir when taking a pH by r6180 » Thu Jul 13, 2006 9:09 pm	9	5749	Last post by Rafael Chust Fri Jul 21, 2006 9:08 am
Does anyone use PerkinElmer HPLC systems? by n-cute » Mon Jul 17, 2006 9:12 am	12	4567	Last post by Alex Buske Fri Jul 21, 2006 8:14 am
Perkin elmer DAD and tetracyline by oscarBAL » Wed Jul 19, 2006 4:04 pm	2	2621	Last post by Alex Buske Fri Jul 21, 2006 7:56 am
Column pressure rising by Albany-12303 » Wed Jul 19, 2006 3:37 pm	15	5330	Last post by Peter Apps Fri Jul 21, 2006 6:50 am
Vitamin K3 by sabriel » Mon Jul 17, 2006 6:49 am	3	2379	Last post by sabriel Fri Jul 21, 2006 5:59 am
TosohBioscience Tech person online for tech talk Q/A by TosohTechman » Thu Jul 20, 2006 6:15 pm	0	2087	Last post by TosohTechman Thu Jul 20, 2006 6:15 pm
Tailing problem by DeimerlyC » Wed Jul 19, 2006 4:27 pm	3	2658	Last post by Mark Tracy Thu Jul 20, 2006 4:12 pm
iron(III) EDTA complex by Louise77 » Tue Jul 11, 2006 4:54 pm	7	5919	Last post by Kostas Petritis Wed Jul 19, 2006 10:03 pm
gripper fingers failed to open/close on agilent 1100's ALS by ntruong » Wed Jun 14, 2006 11:14 pm	5	3618	Last post by rnelson Tue Jul 18, 2006 8:15 pm
Wavelength Rnge for PDA Peak Purity by gbalock » Mon Jul 10, 2006 5:02 pm	3	2916	Last post by gbalock Mon Jul 17, 2006 9:20 pm
query about HPLC and HPTLC peaks obtained by vshyam81 » Sun Jul 16, 2006 2:38 pm	2	2471	Last post by Kostas Petritis Mon Jul 17, 2006 3:19 pm
Trenbolone and norbolethone by Louise77 » Sun Jul 16, 2006 2:33 pm	3	2732	Last post by Albany-12303 Mon Jul 17, 2006 2:09 pm
Mobile Phase Expiry by i79 » Tue Jul 11, 2006 5:18 pm	14	9520	Last post by HW Mueller Mon Jul 17, 2006 8:03 am
Qs on Empower quntitation and Symmetry columns by Medkemist » Tue Jun 20, 2006 7:00 pm	6	3932	Last post by SSGG Sun Jul 16, 2006 4:40 am
Trypsin Digest Cartridge problem by Alice » Tue Jun 20, 2006 4:59 am	1	2232	Last post by Kostas Petritis Sat Jul 15, 2006 12:43 am
Chromatographic columns developers by courju » Sat Jun 17, 2006 6:30 pm	3	2448	Last post by Kostas Petritis Sat Jul 15, 2006 12:35 am
Ion Pair Reagent and Its Salts by syx » Mon Jun 05, 2006 7:33 am	6	3234	Last post by Kostas Petritis Sat Jul 15, 2006 12:28 am
Basic ion-pairing agent by chichibabin » Wed Jul 05, 2006 11:02 am	2	2425	Last post by Kostas Petritis Sat Jul 15, 2006 12:22 am

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