Liquid Chromatography

Forum	Topics	Posts	Last post
Ion Chromatography Discussions about IC and related topics Topics: 398	398	1498	Last post Re: Carbonates by liko44 Sat Oct 18, 2025 5:45 am
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

Post a new topic

11906 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62721	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
study of liposomes' size by imensaad » Mon Nov 17, 2008 4:04 pm	1	1100	Last post by Slammy1 Wed Nov 19, 2008 7:10 pm
Accuracy and Precision by thohry » Mon Nov 17, 2008 3:01 am	9	2299	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	1287	Last post by danko Wed Nov 19, 2008 4:23 pm
Folic Acid by alex007 » Tue Nov 18, 2008 9:24 pm	1	1182	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	2115	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	1395	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	1427	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	1361	Last post by diablo Mon Nov 17, 2008 6:46 pm
DSC data by mk12 » Mon Nov 17, 2008 5:43 pm	1	1260	Last post by Uwe Neue Mon Nov 17, 2008 6:14 pm
Simplex optimization by Kimico » Mon Nov 17, 2008 2:59 pm	1	1251	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	2209	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	2002	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	4109	Last post by Slammy1 Fri Nov 14, 2008 2:57 pm
equilibrate/ condition by chromochat » Tue Nov 04, 2008 4:10 pm	8	9726	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	2060	Last post by CE Instruments Thu Nov 13, 2008 3:47 pm
robustness test by sunnysideup » Wed Nov 05, 2008 7:01 pm	4	2210	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	1254	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	2199	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	3221	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	1810	Last post by goxy43 Tue Nov 11, 2008 8:14 am
purging injector by chromochat » Mon Nov 10, 2008 10:01 pm	1	1660	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	5432	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	1296	Last post by mojo Mon Nov 10, 2008 10:27 am
forced degradation questions by olivia » Sun Nov 09, 2008 11:38 pm	1	1346	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	1860	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	1504	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	1226	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	1891	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	1455	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	1679	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	2207	Last post by aceto_81 Fri Nov 07, 2008 1:59 pm
UPLC Columns by chromochat » Mon Nov 03, 2008 2:27 pm	7	2347	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	1989	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	1504	Last post by sassman Thu Nov 06, 2008 5:00 pm
dehydroascorbic acid method by rekha » Fri Oct 24, 2008 3:17 pm	13	3779	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	3738	Last post by jaytee Wed Nov 05, 2008 6:14 pm
lower detection limit by gokul » Fri Oct 31, 2008 7:55 pm	3	1820	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	1917	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	3144	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	1718	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	3914	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	3729	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	2575	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	2395	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	2703	Last post by yaoguocan Fri Oct 31, 2008 2:27 am
Column comparison tool by lcrandall » Thu Oct 30, 2008 3:19 pm	3	1795	Last post by lcrandall Thu Oct 30, 2008 4:53 pm
Recovery in validation by zhengmin » Tue Oct 28, 2008 4:39 am	5	1938	Last post by aceto_81 Thu Oct 30, 2008 9:13 am
Is formic acid to corrosive for my HPLC system? by Anna01 » Wed Oct 29, 2008 10:32 pm	1	1405	Last post by Kostas Petritis Wed Oct 29, 2008 10:37 pm
the capacity factor by MestizoJoe » Tue Oct 28, 2008 10:00 pm	5	2346	Last post by rhaefe Wed Oct 29, 2008 3:41 pm
Check Valves by goxy43 » Wed Oct 22, 2008 9:16 am	16	6123	Last post by laserman Wed Oct 29, 2008 12:49 am

Post a new topic

11906 topics

Return to Board Index

Who is online

In total there are 12 users online :: 0 registered, 0 hidden and 12 guests (based on users active over the past 5 minutes)
Most users ever online was 4374 on Fri Oct 03, 2025 12:41 am

Users browsing this forum: No registered users and 12 guests

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Latest Blog Posts from Separation Science

Separation Science offers free learning from the experts covering methods, applications, webinars, eSeminars, videos, tutorials for users of liquid chromatography, gas chromatography, mass spectrometry, sample preparation and related analytical techniques.

Subscribe to our eNewsletter with daily, weekly or monthly updates: Food & Beverage, Environmental, (Bio)Pharmaceutical, Bioclinical, Liquid Chromatography, Gas Chromatography and Mass Spectrometry.

Gas Chromatography

Mass Spectrometry

Related Sites

Separation Science

Analytical Training Solutions

Registration

Log in

Part of Separation Science