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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11918 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	85895	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
accuracy by sonal » Mon Oct 04, 2004 6:24 pm	3	4078	Last post by ananda Tue Oct 05, 2004 9:01 pm
IMAC gels - metal affinity by Goran Karlsson » Fri Oct 01, 2004 1:14 pm	1	5233	Last post by Chris Pohl Tue Oct 05, 2004 7:16 pm
prochrome c18 hplc columns -info solicited by michael.k raj » Fri Oct 01, 2004 5:35 am	1	9484	Last post by tom jupille Mon Oct 04, 2004 6:39 pm
standard curve by sonal » Thu Sep 30, 2004 6:51 pm	7	5466	Last post by sonal Mon Oct 04, 2004 6:22 pm
tlc and hplc by sonal » Wed Sep 29, 2004 2:58 pm	14	8784	Last post by tom jupille Mon Oct 04, 2004 6:07 pm
unstable retention time on C18 column for organic acids by mbg » Tue Sep 28, 2004 8:03 pm	4	5870	Last post by mbg Mon Oct 04, 2004 3:50 pm
Rolling, rolling, rolling by mtnshawn » Fri Oct 01, 2004 1:47 pm	4	4650	Last post by Newman768 Mon Oct 04, 2004 2:28 pm
HPLC method validation protocol by MSL » Fri Sep 24, 2004 3:27 am	5	6869	Last post by bert Mon Oct 04, 2004 7:29 am
Cleavable ICAT by csang » Fri Oct 01, 2004 2:34 am	3	4614	Last post by csang Mon Oct 04, 2004 6:15 am
Solution Preparation Procedure of Film-coated Tablets by syx » Mon Sep 27, 2004 4:48 am	8	7726	Last post by tom jupille Mon Oct 04, 2004 2:19 am
Ion Chromatography-High backgr. conductivity in Dionex DX500 by Vangelis » Mon Sep 20, 2004 5:58 pm	2	6148	Last post by Vangelis Sun Oct 03, 2004 3:58 pm
increasing peak size with each run, no change in baseline by magsterz » Thu Sep 30, 2004 5:31 pm	8	5264	Last post by Vangelis Sun Oct 03, 2004 3:53 pm
Help to Seperate Ibu Impurities by suresh » Sat Sep 04, 2004 4:10 pm	5	4755	Last post by sastry Sun Oct 03, 2004 4:32 am
Baseline and Tailing by syx » Fri Sep 24, 2004 1:44 am	17	11079	Last post by Basil Fri Oct 01, 2004 2:21 pm
PITC heptane extraction procedure? by Koby » Fri Oct 01, 2004 1:34 pm	0	3187	Last post by Koby Fri Oct 01, 2004 1:34 pm
ascorbic acid and propilenglycol by bpl » Fri Sep 24, 2004 11:32 am	9	7301	Last post by bpl Fri Oct 01, 2004 6:27 am
in-line vacuum degassing by khw » Thu Sep 30, 2004 7:35 am	3	4631	Last post by Tim Thu Sep 30, 2004 3:32 pm
Reservoir with vacuum degassing by WK » Wed Sep 29, 2004 7:54 am	5	4709	Last post by HW Mueller Thu Sep 30, 2004 6:46 am
What pH to run in a multiple pKa compound by Chrom user » Wed Sep 29, 2004 2:40 pm	2	4144	Last post by Uwe Neue Wed Sep 29, 2004 10:46 pm
baseline problem by annavera » Thu Sep 09, 2004 2:39 pm	11	7080	Last post by Basil Wed Sep 29, 2004 10:08 pm
Risendronate [July 28, 2004] by admin » Sun Aug 29, 2004 5:52 pm	2	3797	Last post by Chris Pohl Wed Sep 29, 2004 9:30 pm
calcium dissolution by Andrea Hilton » Tue Sep 28, 2004 4:21 pm	2	3444	Last post by Bill Tindall Wed Sep 29, 2004 3:02 pm
Unstable retention time by Strep79 » Wed Sep 29, 2004 11:37 am	3	4116	Last post by sonal Wed Sep 29, 2004 2:50 pm
Interpretation of this sentence by tlili » Fri Sep 24, 2004 5:16 am	3	5543	Last post by TOT Wed Sep 29, 2004 12:48 pm
solvent peak by sonal » Sat Sep 18, 2004 5:53 pm	13	7796	Last post by sonal Tue Sep 28, 2004 6:13 pm
metal complexes by cml » Fri Sep 24, 2004 6:52 pm	4	4492	Last post by HW Mueller Tue Sep 28, 2004 12:40 pm
Help me to calculate LOD, LOQ, please! by TOT » Thu Sep 16, 2004 11:04 am	12	21002	Last post by syx Tue Sep 28, 2004 7:29 am
Large Peaks by Fabiano » Sun Sep 26, 2004 2:02 pm	1	3689	Last post by tom jupille Mon Sep 27, 2004 3:14 pm
HPLC-FD surrogate standard for PAH analyses by hmlurd » Mon Sep 27, 2004 12:44 pm	0	3547	Last post by hmlurd Mon Sep 27, 2004 12:44 pm
HPLC method for Zoledronic acid by N.V.V.S.S. RAMAN » Sat Sep 11, 2004 6:04 am	4	6982	Last post by kalyanaraman Sat Sep 25, 2004 10:41 am
New mass/response calibration technique? by mbreslav » Fri Sep 24, 2004 5:45 pm	0	3365	Last post by mbreslav Fri Sep 24, 2004 5:45 pm
Ion Chromatography-Adjustment of Flowrate through the column by Vangelis » Mon Sep 20, 2004 12:26 pm	1	3514	Last post by Markus Laeubli, Metrohm Fri Sep 24, 2004 5:59 am
Varying Retention Between Systems by jay-mann » Mon Sep 20, 2004 4:35 pm	7	4916	Last post by jay-mann Thu Sep 23, 2004 8:33 am
DIPRENORPHINE-internal standard for HPLC by TOT » Wed Sep 22, 2004 3:23 am	2	4280	Last post by TOT Thu Sep 23, 2004 8:25 am
Sorbic Acid Determination by HPLC-UV. by WK » Fri Sep 17, 2004 3:56 pm	7	7165	Last post by Uwe Neue Tue Sep 21, 2004 10:49 pm
TFA at 215nm [August 26, 2004] by admin » Sun Aug 29, 2004 8:48 pm	27	9961	Last post by Newman768 Tue Sep 21, 2004 10:35 am
UK - HPLC Theory and Troubleshootng Course by Nick » Mon Sep 20, 2004 4:09 pm	1	3594	Last post by tom jupille Mon Sep 20, 2004 4:38 pm
post column band broadening by rs » Fri Sep 17, 2004 2:22 am	4	5526	Last post by Victor Mon Sep 20, 2004 1:32 pm
Dissolution - "sink conditions" by michaelcarolus » Wed Sep 15, 2004 10:56 am	3	3970	Last post by michaelcarolus Mon Sep 20, 2004 5:43 am
Method Transfer Problems by LabRat » Thu Sep 16, 2004 4:06 pm	2	3720	Last post by Consumer Products Guy Sat Sep 18, 2004 2:14 am
DMAE, SOD and CATALASE in cosmetics by bpl » Fri Sep 17, 2004 3:13 pm	0	5511	Last post by bpl Fri Sep 17, 2004 3:13 pm
Solution Stability by Chris » Tue Aug 31, 2004 10:53 am	2	3349	Last post by Lime Fri Sep 17, 2004 11:40 am
Independent Service for Waters by foodchem » Mon Sep 13, 2004 5:27 pm	2	3558	Last post by tom jupille Thu Sep 16, 2004 10:28 pm
ergosterol HPLC by akburch » Thu Sep 16, 2004 3:42 pm	2	6951	Last post by Uwe Neue Thu Sep 16, 2004 9:15 pm
Anyone familiar with Nucleosil S3W column use? by Pet Tan » Wed Sep 15, 2004 3:50 pm	3	3597	Last post by Uwe Neue Thu Sep 16, 2004 9:04 pm
Determination of BHA / BHT in essential oils by WK » Fri Sep 10, 2004 1:45 pm	2	5849	Last post by LY Thu Sep 16, 2004 1:49 pm
Metenkephalin by Jacinta » Wed Sep 15, 2004 3:57 pm	1	3483	Last post by Uwe Neue Wed Sep 15, 2004 10:46 pm
Recommendation on Protein separation book in HPLC-MS by Chrom user » Wed Sep 15, 2004 6:41 am	0	3305	Last post by Chrom user Wed Sep 15, 2004 6:41 am
DEAD VOLUME DETERMINATION FOR HPLC SYSTEM by csolaz » Sun Sep 12, 2004 6:16 pm	7	11762	Last post by tom jupille Tue Sep 14, 2004 10:39 pm
System Suitability per USP <621> by LShelton » Fri Sep 10, 2004 11:23 pm	4	16754	Last post by Basil Tue Sep 14, 2004 2:26 pm

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