Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 399	399	1500	Last post Re: Inquiry: Replacement hous… by cpell Thu Nov 13, 2025 5:02 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: 119	119	467	Last post Re: choice of GPC software by pigsy1983 Tue Jul 08, 2025 4:23 pm

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11911 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	77478	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
HPLC 1090 Communications by Peter J Joyce » Wed Nov 19, 2008 11:07 pm	3	1854	Last post by Peter J Joyce Fri Nov 21, 2008 12:30 am
Is ammonium bicarbonate volatile ? by PHOBIUS » Wed Nov 19, 2008 10:46 am	7	5696	Last post by Uwe Neue Thu Nov 20, 2008 5:16 pm
peaks eluting within column dead time by CPR » Thu Nov 06, 2008 9:32 pm	8	5072	Last post by CPR Thu Nov 20, 2008 2:42 pm
Linearity by d.telaro » Tue Nov 11, 2008 2:31 pm	2	1600	Last post by jbshan Thu Nov 20, 2008 8:23 am
Interference Using PDA and fluorescence detectors in series by Gregory McLaughlin » Mon Nov 10, 2008 11:17 pm	28	4346	Last post by Uwe Neue Wed Nov 19, 2008 8:04 pm
study of liposomes' size by imensaad » Mon Nov 17, 2008 4:04 pm	1	1142	Last post by Slammy1 Wed Nov 19, 2008 7:10 pm
Accuracy and Precision by thohry » Mon Nov 17, 2008 3:01 am	9	2355	Last post by lmh Wed Nov 19, 2008 6:02 pm
SEC in de-ionized water by kishoreravuri » Wed Nov 19, 2008 12:41 pm	4	1315	Last post by danko Wed Nov 19, 2008 4:23 pm
Folic Acid by alex007 » Tue Nov 18, 2008 9:24 pm	1	1211	Last post by oscarBAL Wed Nov 19, 2008 2:42 pm
Dead Time Measurements of Custom-Packed Columns by dkreller » Mon Nov 17, 2008 10:36 pm	14	2173	Last post by Uwe Neue Tue Nov 18, 2008 11:34 pm
Dionex technical note 45 by joelyue » Tue Nov 18, 2008 8:44 am	1	1416	Last post by Jeff Rohrer Tue Nov 18, 2008 11:04 pm
Quantitation by Full DAD? by tatep » Tue Nov 11, 2008 2:08 pm	4	1460	Last post by HPLCCONSULT Tue Nov 18, 2008 6:45 pm
HILIC or IEX better for protein digest? by diablo » Sun Nov 16, 2008 7:48 pm	3	1406	Last post by diablo Mon Nov 17, 2008 6:46 pm
DSC data by mk12 » Mon Nov 17, 2008 5:43 pm	1	1300	Last post by Uwe Neue Mon Nov 17, 2008 6:14 pm
Simplex optimization by Kimico » Mon Nov 17, 2008 2:59 pm	1	1295	Last post by JGK Mon Nov 17, 2008 4:30 pm
Dionex AS50 autosampler advice by randy » Tue Nov 11, 2008 2:17 pm	3	2247	Last post by jmbrewer Sun Nov 16, 2008 7:24 pm
Development of a Mercaptopurine method by KarenJ » Tue Nov 11, 2008 9:47 pm	2	2038	Last post by SIELC_Tech Fri Nov 14, 2008 4:13 pm
problem with flow rate by aman » Tue Nov 11, 2008 1:51 pm	13	4176	Last post by Slammy1 Fri Nov 14, 2008 2:57 pm
equilibrate/ condition by chromochat » Tue Nov 04, 2008 4:10 pm	8	9803	Last post by aceto_81 Fri Nov 14, 2008 10:03 am
Chemically digested nitrogen samples and IC? by LVT » Wed Nov 12, 2008 12:00 pm	4	2110	Last post by CE Instruments Thu Nov 13, 2008 3:47 pm
robustness test by sunnysideup » Wed Nov 05, 2008 7:01 pm	4	2277	Last post by Slammy1 Wed Nov 12, 2008 9:21 pm
Detector outlet connected to pump overflow by WK » Wed Nov 12, 2008 9:58 am	1	1296	Last post by Jade.Barker Wed Nov 12, 2008 6:07 pm
JP plate count by chromochat » Tue Nov 11, 2008 8:36 pm	2	2244	Last post by chromochat Wed Nov 12, 2008 2:25 pm
Varian Galaxie/ProStar HPLC Injection Problem by DSV » Mon Oct 27, 2008 9:04 am	5	3282	Last post by DSV Wed Nov 12, 2008 1:15 pm
How to increase retention in C18 Flash Cartridge? by Alireza » Tue Oct 28, 2008 12:59 pm	5	1845	Last post by goxy43 Tue Nov 11, 2008 8:14 am
purging injector by chromochat » Mon Nov 10, 2008 10:01 pm	1	1679	Last post by tom jupille Mon Nov 10, 2008 11:40 pm
Waters HPLC and Accq-Tag- Serious help! by ekgibson » Fri Nov 07, 2008 8:50 pm	7	5530	Last post by Uwe Neue Mon Nov 10, 2008 9:16 pm
Agilent method development system by mojo » Mon Nov 10, 2008 10:27 am	0	1327	Last post by mojo Mon Nov 10, 2008 10:27 am
forced degradation questions by olivia » Sun Nov 09, 2008 11:38 pm	1	1396	Last post by krickos Mon Nov 10, 2008 9:42 am
Use of Wide bore columns in reverse phase hplc analysis by Santosh Gandhi » Thu Oct 23, 2008 4:34 pm	3	1918	Last post by danko Sun Nov 09, 2008 12:47 am
What block the Waters 1525 binary pump by wxmwqr » Fri Nov 07, 2008 3:18 pm	4	1544	Last post by Bruce Hamilton Sat Nov 08, 2008 9:16 pm
Segmented gradients by Santosh Gandhi » Sat Nov 08, 2008 4:22 pm	2	1269	Last post by Bruce Hamilton Sat Nov 08, 2008 8:07 pm
pH measurement by using HPLC 8543 and UV 1601 by Olivine » Thu Nov 06, 2008 10:05 am	7	1937	Last post by Bruce Hamilton Fri Nov 07, 2008 10:18 pm
Negative peak in LC by jameslizh » Tue Nov 04, 2008 7:06 pm	3	1496	Last post by tom jupille Fri Nov 07, 2008 5:42 pm
Small peak problem by mijnadarian » Wed Nov 05, 2008 11:25 pm	5	1717	Last post by unmgvar Fri Nov 07, 2008 4:45 pm
PEEK UPLC needle and DMSO by aceto_81 » Wed Nov 05, 2008 8:09 am	3	2256	Last post by aceto_81 Fri Nov 07, 2008 1:59 pm
UPLC Columns by chromochat » Mon Nov 03, 2008 2:27 pm	7	2381	Last post by Steph5217 Fri Nov 07, 2008 12:37 pm
HP 1090 Operating Manual by P Joyce » Thu Nov 06, 2008 8:01 pm	2	2023	Last post by mlsabe Fri Nov 07, 2008 12:14 am
Fosfomycin - a question to chemists by Friederike » Thu Nov 06, 2008 8:43 am	1	1549	Last post by sassman Thu Nov 06, 2008 5:00 pm
dehydroascorbic acid method by rekha » Fri Oct 24, 2008 3:17 pm	13	3861	Last post by HW Mueller Thu Nov 06, 2008 10:09 am
1100 Degassers dropping like Flies!! by tatep » Mon Sep 08, 2008 5:41 pm	13	3796	Last post by jaytee Wed Nov 05, 2008 6:14 pm
lower detection limit by gokul » Fri Oct 31, 2008 7:55 pm	3	1875	Last post by Anthony Crawshaw Tue Nov 04, 2008 4:59 pm
trying to find an equivalent column for HPLC-ELSD by peoplehi5 » Mon Nov 03, 2008 8:27 pm	3	1977	Last post by peoplehi5 Tue Nov 04, 2008 3:34 pm
Stability indicating HPLC method for Minocycline by Raphy » Fri Oct 31, 2008 10:19 pm	4	3211	Last post by laserman Tue Nov 04, 2008 5:03 am
Does anyone still make Synchropak GPC 4000 columns? by IC_Gal » Mon Nov 03, 2008 10:09 pm	1	1774	Last post by JGK Tue Nov 04, 2008 12:55 am
Trouble with repeatability, please help me diagnose! by HAZMAT » Tue Oct 21, 2008 4:02 pm	15	4045	Last post by HAZMAT Mon Nov 03, 2008 3:45 pm
HPLC calibration curve - in general by Norbert » Fri Aug 29, 2008 7:42 am	7	3810	Last post by Norbert Mon Nov 03, 2008 2:33 pm
Residual sum of squares by mojo » Fri Oct 24, 2008 10:27 am	1	2623	Last post by project44 Sun Nov 02, 2008 8:41 pm
Flashing HPLC with NaOH 0.1M by marina1111 » Fri Oct 31, 2008 12:01 pm	2	2456	Last post by marina1111 Sun Nov 02, 2008 6:52 am
Use of THF for gradient Methods by Santosh Gandhi » Thu Oct 30, 2008 5:26 pm	6	2774	Last post by yaoguocan Fri Oct 31, 2008 2:27 am

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