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	83672	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
AAA Triptopahn preservation. by oscarBAL » Fri Sep 12, 2008 2:49 pm	3	1990	Last post by oscarBAL Tue Sep 16, 2008 2:46 pm
Norleucine and Leucine by klimbaka » Tue Aug 26, 2008 10:54 am	12	3866	Last post by Kostas Petritis Mon Sep 15, 2008 5:53 pm
Wear-in Procedure in HPLC 1100 Agilent by haiedc » Thu Sep 11, 2008 6:53 am	9	4425	Last post by scottythree Mon Sep 15, 2008 3:39 pm
NP sub 2 um columns by Koen Hollebekkers » Thu Sep 11, 2008 2:27 pm	5	3016	Last post by Fiz Mon Sep 15, 2008 12:51 pm
Evaluation of self packed MPLC column by Hollow » Fri Sep 12, 2008 8:26 pm	6	3215	Last post by Hollow Sun Sep 14, 2008 8:38 pm
iodate estimation by Dr Babulal Rebary » Sat Sep 13, 2008 1:41 pm	0	1589	Last post by Dr Babulal Rebary Sat Sep 13, 2008 1:41 pm
protein isocratic HPLC..preparatin of tris buffer+n-propanol by alicee! » Wed Sep 10, 2008 11:55 am	14	2635	Last post by lmh Fri Sep 12, 2008 10:36 am
Extracting an API from a topical cream/lotion by TimB » Thu Sep 04, 2008 2:34 pm	12	4169	Last post by sfe-co2 Thu Sep 11, 2008 8:49 pm
Lamps: Leave on or turn off? by GregK » Wed Sep 10, 2008 9:03 am	4	4033	Last post by sfe-co2 Thu Sep 11, 2008 8:41 pm
Derivatization of carboxylic group for fluorescence by cyanogen78 » Wed Sep 03, 2008 1:01 pm	13	6447	Last post by moino Thu Sep 11, 2008 8:08 am
Fluorescence detection by LCFlo » Tue Sep 09, 2008 7:42 pm	6	2074	Last post by danko Wed Sep 10, 2008 8:28 pm
Negative peak problem. by sebeck » Mon Sep 08, 2008 12:11 am	3	2060	Last post by mbicking Tue Sep 09, 2008 1:55 pm
Silica and 100% Water? by Alireza » Mon Sep 08, 2008 11:32 am	10	4332	Last post by Uwe Neue Tue Sep 09, 2008 12:59 pm
Agilent 1100 - outlet valve with leaks by paulolab » Fri Sep 05, 2008 5:36 pm	10	4932	Last post by LCbob Tue Sep 09, 2008 9:11 am
oral suspension, different areas by coquim » Mon Sep 01, 2008 6:27 pm	9	2336	Last post by HW Mueller Mon Sep 08, 2008 2:38 pm
Particle Size Distribution - Misleading information? by kmaudens » Tue Jun 17, 2008 3:15 pm	3	2455	Last post by gouki Mon Sep 08, 2008 2:14 pm
Agilent 1200 (RRS), Waters UPLC, or ThermoFisher Fast System by Jasmine » Tue May 27, 2008 3:16 pm	28	10336	Last post by gouki Mon Sep 08, 2008 2:10 pm
Standard drying for TLC by tcay584 » Fri Sep 05, 2008 5:52 pm	4	5643	Last post by tcay584 Mon Sep 08, 2008 12:56 pm
Setting UV detection wavelength by chandusabini » Mon Sep 08, 2008 12:02 pm	0	1622	Last post by chandusabini Mon Sep 08, 2008 12:02 pm
What are the advantages of using DAD (diode array detector)? by isuphysics » Sun Sep 07, 2008 4:14 pm	2	3152	Last post by unmgvar Sun Sep 07, 2008 9:05 pm
sugar separation by vestelshirley » Sun Sep 07, 2008 6:13 am	1	1520	Last post by Uwe Neue Sun Sep 07, 2008 3:59 pm
Problem with Lactic acid determination by Awni-QC » Wed Aug 27, 2008 8:50 pm	5	2308	Last post by Awni-QC Sat Sep 06, 2008 2:35 pm
PDA status light blinking by TimB » Wed Aug 27, 2008 6:11 pm	4	3643	Last post by TimB Fri Sep 05, 2008 2:36 pm
Waters Empower software - using multiple standards by ike9898 » Wed Sep 03, 2008 9:34 pm	4	4929	Last post by aceto_81 Thu Sep 04, 2008 2:26 pm
Normalisation or calibration by aceto_81 » Thu Sep 04, 2008 10:01 am	2	1907	Last post by aceto_81 Thu Sep 04, 2008 11:18 am
Problem with Kontron detector 430 and KromaSystem 2000 by mrozuf » Thu Sep 04, 2008 9:57 am	0	1433	Last post by mrozuf Thu Sep 04, 2008 9:57 am
Big issue with shlouldering peaks by adrien16 » Thu Aug 28, 2008 7:39 am	3	1643	Last post by Bruce Hamilton Wed Sep 03, 2008 7:40 pm
capillary by d.telaro » Wed Sep 03, 2008 2:57 pm	1	2147	Last post by cyanogen78 Wed Sep 03, 2008 3:39 pm
Rapidly Hydrolyzed Analyte by syx » Wed Sep 03, 2008 10:58 am	0	1382	Last post by syx Wed Sep 03, 2008 10:58 am
rapid deterioration of SEC column performance by oldtimer » Wed Aug 27, 2008 4:00 pm	7	2172	Last post by HW Mueller Wed Sep 03, 2008 10:35 am
which is the best Buffer by ym3142 » Thu Aug 28, 2008 2:05 pm	6	2386	Last post by sassman Tue Sep 02, 2008 6:25 pm
Why peak shape goes on intraction with methanol by chandusabini » Mon Sep 01, 2008 9:36 am	2	1705	Last post by JA Mon Sep 01, 2008 8:45 pm
saccharide detection by mardexis » Fri Aug 29, 2008 10:18 pm	1	1615	Last post by XL Sun Aug 31, 2008 7:38 pm
the unit of slope in calibration curve by mtalebi » Sat Aug 30, 2008 10:54 am	1	5050	Last post by tom jupille Sat Aug 30, 2008 7:24 pm
how to determine UV detector up limit by ym3142 » Thu Aug 28, 2008 2:48 pm	10	3618	Last post by tom jupille Sat Aug 30, 2008 7:08 pm
impurity LC methods.. linearity range? accuracy? by alicee! » Sun Aug 17, 2008 9:38 am	3	2003	Last post by tom jupille Sat Aug 30, 2008 6:46 pm
Chiral analysis by kumaresan » Sat Aug 30, 2008 7:03 am	0	1449	Last post by kumaresan Sat Aug 30, 2008 7:03 am
storage of IEX column ?? by rick1112 » Fri Aug 29, 2008 11:43 am	1	1622	Last post by rhaefe Fri Aug 29, 2008 7:47 pm
high quality ammonium acetate by ym3142 » Tue Aug 26, 2008 8:08 pm	5	2262	Last post by ym3142 Fri Aug 29, 2008 6:29 pm
do smaller particles equate to increased retention? by moser » Fri Aug 15, 2008 6:43 pm	5	4443	Last post by BradVM Fri Aug 29, 2008 5:58 pm
Separation of 1,2-dialkylcyclohexanes by tony_herlt » Wed Aug 27, 2008 1:07 pm	8	2074	Last post by tony_herlt Fri Aug 29, 2008 11:26 am
Peak tailing at cation exchange column by Reinhard » Wed Aug 27, 2008 11:32 am	1	2163	Last post by Uwe Neue Wed Aug 27, 2008 4:31 pm
HPLC Shrinking Chromatogram by basidiomycete » Wed Aug 20, 2008 2:37 pm	8	2575	Last post by basidiomycete Wed Aug 27, 2008 4:19 pm
SPE and 8270C can this be done? by adaltona » Mon Aug 25, 2008 10:46 pm	3	1888	Last post by adaltona Tue Aug 26, 2008 6:59 pm
Analysis of PPO (polypropylene oxide) by Carl Fieldman » Thu Aug 21, 2008 7:09 am	5	2503	Last post by bhuvfe Tue Aug 26, 2008 6:33 pm
Poor accuracy (clomiphene citrate tablet) by chicay » Fri Aug 22, 2008 2:04 am	7	2782	Last post by chicay Tue Aug 26, 2008 1:56 am
PEG issues with GPC/SEC by drichard » Mon Jul 07, 2008 8:48 pm	8	3083	Last post by rick1112 Sun Aug 24, 2008 4:50 pm
Solubilized carbothane GPC by bmaci » Sat Aug 23, 2008 5:13 am	0	1330	Last post by bmaci Sat Aug 23, 2008 5:13 am
Review Article on Ion Pair Chromatography by adam » Tue Jul 29, 2008 6:23 pm	14	4324	Last post by Kostas Petritis Fri Aug 22, 2008 4:44 pm
Oligomers and Quantitation...? by Trishia » Wed Aug 20, 2008 7:23 pm	5	1749	Last post by mbicking Thu Aug 21, 2008 9:51 pm

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