Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 403	403	1508	Last post Large water dip on ICS-6000 by NitroJennAtom Wed Jun 17, 2026 3:20 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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11923 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	125219	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Seeking for Help on HPLC injection peak by lewissac » Wed May 11, 2011 2:26 am	5	4550	Last post by yanyan Wed May 11, 2011 8:41 pm
Storing Deuterium and Tungsten lamps by lusi » Wed May 11, 2011 2:01 pm	2	2869	Last post by lusi Wed May 11, 2011 2:30 pm
Basic Questions on the MSD by lusi » Fri May 06, 2011 7:50 pm	6	2121	Last post by lusi Wed May 11, 2011 1:33 pm
Gerstel MPS headspace autosampler agitator mixing problems by Luna » Wed May 11, 2011 11:25 am	2	5263	Last post by bhuvfe Tue May 17, 2011 1:01 pm
HPLC nitric acid flush by dkreller » Tue May 10, 2011 8:18 pm	3	7401	Last post by Bluesman75 Wed May 11, 2011 9:21 am
Problems with tubing by Coffman » Tue May 10, 2011 10:27 pm	6	6533	Last post by mwoodman Thu Jun 02, 2011 5:48 pm
How does sulfuric: vanillin reagent works by bobby12 » Tue May 10, 2011 5:46 pm	0	2080	Last post by bobby12 Tue May 10, 2011 5:46 pm
analysis of PEG by miro2009 » Fri May 06, 2011 7:21 pm	6	7488	Last post by HW Mueller Tue May 10, 2011 8:15 am
Extraneous Peaks - Zero Volume Injection by Firedevil » Fri May 06, 2011 8:35 pm	7	4418	Last post by Firedevil Tue May 10, 2011 4:27 am
Vitamin E concentration correction? by Jen » Mon May 09, 2011 3:07 pm	0	1784	Last post by Jen Mon May 09, 2011 3:07 pm
Mobile phase buffering capacity by Edde » Sat May 07, 2011 4:16 pm	4	2188	Last post by Edde Mon May 09, 2011 2:26 pm
Separation Science Online Tutorials by akribis2 » Mon May 09, 2011 1:01 pm	0	2007	Last post by akribis2 Mon May 09, 2011 1:01 pm
industry safe solvents.... by mashtikar » Thu May 05, 2011 4:30 pm	8	2901	Last post by HW Mueller Mon May 09, 2011 7:57 am
peak shape problem by mangu » Wed May 04, 2011 6:06 pm	8	3783	Last post by HW Mueller Mon May 09, 2011 7:46 am
LCMS by nerutweety » Mon May 09, 2011 7:16 am	0	2124	Last post by nerutweety Mon May 09, 2011 7:16 am
calculating extinction coefficients at 214 nm for proteins by grumbledook » Mon Feb 15, 2010 5:59 pm	13	13907	Last post by tom jupille Sat May 07, 2011 9:39 pm
Fluorescence- unit by Sarah1233 » Tue May 03, 2011 6:24 pm	2	2504	Last post by grumbledook Fri May 06, 2011 3:07 pm
Help for C8 column choice for peptide purification by magicdice » Thu May 05, 2011 9:01 pm	2	2427	Last post by unmgvar Fri May 06, 2011 11:30 am
Column for sulfated carbohydrates by quimorg » Mon May 02, 2011 8:50 pm	5	2366	Last post by lmh Wed May 04, 2011 9:47 am
HMW Standards for SEC by ginebra » Mon Apr 18, 2011 11:10 am	3	2553	Last post by SeanAustin Tue May 03, 2011 9:17 pm
help choose uplc column by vadhanam » Fri Apr 22, 2011 12:00 am	14	4413	Last post by vadhanam Tue May 03, 2011 5:39 pm
Tailing factor and chemstation by bfranc81 » Thu Apr 28, 2011 6:21 am	7	7729	Last post by Bluesman75 Tue May 03, 2011 9:45 am
Amino Column Retention Time Shift by VJ » Fri Apr 29, 2011 10:39 am	4	3325	Last post by unmgvar Mon May 02, 2011 6:52 pm
MERCK L-4250 by klein » Mon May 02, 2011 6:58 am	0	1998	Last post by klein Mon May 02, 2011 6:58 am
UV spectrometer versus UV HPLC by weitze » Sat Apr 30, 2011 1:11 pm	9	5035	Last post by lgchrom Thu May 05, 2011 9:18 am
Preventing column fouling by DJ » Sat Apr 30, 2011 3:52 pm	1	2131	Last post by tom jupille Sun May 01, 2011 4:49 pm
Retention Time Changes... by EJG » Mon Apr 25, 2011 4:19 pm	9	3196	Last post by unmgvar Sat Apr 30, 2011 9:03 pm
Small peptide quantification by RP HPLC by lmb2 » Mon Apr 11, 2011 4:52 pm	11	5739	Last post by HW Mueller Sat Apr 30, 2011 4:12 pm
Help - Gradient Peaks by ejharrels » Wed Apr 20, 2011 5:30 pm	23	4888	Last post by tom jupille Fri Apr 29, 2011 9:40 pm
LOQ limit impurities by centraing » Thu Apr 28, 2011 1:17 pm	7	3702	Last post by centraing Fri Apr 29, 2011 9:06 am
How quantify Surfactin? by Gilberto » Tue Apr 26, 2011 2:27 pm	1	1611	Last post by pelle-plutt Thu Apr 28, 2011 2:18 am
Vitamin D Measurement by BHORJING » Mon Nov 22, 2010 6:52 pm	1	1562	Last post by gvportari Thu Apr 28, 2011 1:07 am
how important of capacity factor? by flora0975 » Fri Apr 22, 2011 5:08 pm	10	3163	Last post by bisnettrj2 Wed Apr 27, 2011 6:42 pm
Ethylene Glycol in the Sample Matrix by munish_s » Wed Apr 27, 2011 12:49 pm	1	1302	Last post by Consumer Products Guy Wed Apr 27, 2011 1:11 pm
EF04 Error - HP1090 HPLC by Andreas » Wed Apr 27, 2011 11:59 am	1	1407	Last post by DSP007 Wed Apr 27, 2011 1:04 pm
Jagged IC Peaks by Jhoward333 » Thu Apr 21, 2011 8:22 pm	3	2123	Last post by Jhoward333 Wed Apr 27, 2011 3:56 am
Stand alone SEC / GPC software by MestizoJoe » Thu Apr 14, 2011 7:04 pm	1	1871	Last post by dataapex Tue Apr 26, 2011 2:03 pm
Expiration of aqueous mobile phase? by kopkromfer » Tue Apr 12, 2011 7:04 pm	15	5993	Last post by thohry Mon Apr 25, 2011 1:57 pm
Derivatization reactions- clean up by Sarah1233 » Sun Apr 24, 2011 9:35 pm	0	3903	Last post by Sarah1233 Sun Apr 24, 2011 9:35 pm
assay of large polar molecule by MestizoJoe » Fri Apr 15, 2011 5:59 pm	20	3159	Last post by tom jupille Sun Apr 24, 2011 4:19 pm
As is basis?! by bluejeans1014 » Sun Apr 17, 2011 2:46 pm	8	2433	Last post by bluejeans1014 Sun Apr 24, 2011 2:52 pm
Inorganic ions analysis by HPLC by zanio » Mon Mar 28, 2011 12:49 pm	26	8284	Last post by XL Sun Apr 24, 2011 6:45 am
Chiral Separation of (+)(-) Narwedine by Kalsang Tharpa » Fri Apr 22, 2011 5:30 pm	1	1896	Last post by DSP007 Sat Apr 23, 2011 1:26 pm
HPLC Auto sampler calibration by gclc » Mon Mar 28, 2011 3:15 am	15	8315	Last post by DSP007 Sat Apr 23, 2011 1:08 pm
HPLC Anomally??? by Jetgel » Thu Apr 21, 2011 1:22 am	6	2152	Last post by Jetgel Thu Apr 21, 2011 2:24 pm
The right equipment by akribis2 » Wed Apr 20, 2011 12:13 pm	2	1807	Last post by akribis2 Thu Apr 21, 2011 12:24 pm
Boiling point for methy ester of C12 C14, C16, C18 by Sandra7 » Thu Apr 21, 2011 5:25 am	3	2871	Last post by Sandra7 Thu Apr 21, 2011 4:04 pm
SAX columns by wan » Wed Apr 20, 2011 7:25 am	1	1804	Last post by Ting Wu Wed Apr 20, 2011 3:59 pm
8453 UV by MitchHowell » Wed Apr 20, 2011 3:18 pm	1	3131	Last post by DSP007 Thu Apr 21, 2011 10:02 am
Couple Agilent 1100 series to Hitachi Merck by Adebar » Wed Oct 13, 2010 10:02 am	7	2851	Last post by klein Wed Apr 20, 2011 1:38 pm

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