Liquid Chromatography

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11906 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62738	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Analysis of maleic acid by praveenpaliwal » Fri Dec 19, 2008 6:38 pm	4	3999	Last post by HW Mueller Thu Dec 25, 2008 10:00 am
Tryptophan oxidation by Fenton reaction by vickig » Wed Dec 24, 2008 10:25 pm	0	1520	Last post by vickig Wed Dec 24, 2008 10:25 pm
Empower training in India by jbshan » Sat Dec 20, 2008 4:09 am	2	1927	Last post by Krishnamurthy Wed Dec 24, 2008 3:20 pm
Gradient Curve by pipettemonkey » Fri Dec 19, 2008 3:27 pm	2	3119	Last post by alwelch Wed Dec 24, 2008 2:35 pm
biotage / companion by km06 » Tue Dec 23, 2008 11:32 am	2	1568	Last post by unmgvar Wed Dec 24, 2008 10:58 am
A strange gradient elution by zlb215 » Wed Dec 17, 2008 3:07 am	8	2175	Last post by reyoungs Wed Dec 24, 2008 1:16 am
PVP powder by oncoming storm » Mon Dec 22, 2008 7:51 pm	0	1781	Last post by oncoming storm Mon Dec 22, 2008 7:51 pm
Concentration of Acetate buffer by zlb215 » Wed Dec 17, 2008 3:24 am	17	6857	Last post by Noser222 Mon Dec 22, 2008 5:31 pm
Disposing of Used/Spent Deuterium Lamps by terryy » Sat Dec 20, 2008 10:29 pm	1	5704	Last post by Bruce Hamilton Sun Dec 21, 2008 12:44 am
how to increase the response ...... by parveenqa » Mon Sep 29, 2008 8:46 am	6	2655	Last post by parveenqa Sat Dec 20, 2008 8:29 am
Alternate Separations modes for aminoglycoside antibiotics by reyoungs » Wed Dec 17, 2008 2:02 am	6	2244	Last post by Vlad Orlovsky Fri Dec 19, 2008 10:10 pm
RP-HPLC bubbling advice needed by prishly » Wed Dec 17, 2008 10:09 am	7	2144	Last post by Uwe Neue Fri Dec 19, 2008 9:46 pm
Increasing retention times at high temperature by JayVee » Thu Dec 11, 2008 12:00 pm	13	4513	Last post by danko Thu Dec 18, 2008 4:20 pm
How to compare different mobile phases by pipettemonkey » Thu Dec 18, 2008 4:48 am	1	1686	Last post by tom jupille Thu Dec 18, 2008 9:31 am
Removal of Mobile Phase Components From Purified Peak by Slammy1 » Wed Dec 10, 2008 8:03 pm	8	2496	Last post by reyoungs Thu Dec 18, 2008 2:12 am
Quantitation through LC-MS/MS by subhrakanti » Sun Dec 14, 2008 3:43 pm	2	1553	Last post by MaryCarson Wed Dec 17, 2008 11:04 pm
Calibration of Agilent HPLC by danielbor » Wed Dec 17, 2008 4:16 pm	3	2288	Last post by krickos Wed Dec 17, 2008 7:55 pm
Uronic acid standards by sdegrace » Tue Dec 16, 2008 1:57 pm	3	1585	Last post by sdegrace Wed Dec 17, 2008 1:09 pm
Standards for SEC/GPC that aborb and fluoresce in UV/VIS? by dkreller » Mon Dec 15, 2008 5:16 pm	3	2114	Last post by HW Mueller Wed Dec 17, 2008 12:03 pm
Merckosorb Si60 by DM909 » Tue Dec 02, 2008 6:44 pm	7	2226	Last post by DM909 Wed Dec 17, 2008 11:41 am
ion chromatography results and unknowns by fxaxrx » Wed Dec 17, 2008 5:41 am	0	1377	Last post by fxaxrx Wed Dec 17, 2008 5:41 am
HP1090 valve cartridge by aman » Tue Dec 09, 2008 10:19 am	3	1345	Last post by HPLCCONSULT Tue Dec 16, 2008 9:32 pm
Baseline movement by padtwo » Mon Dec 15, 2008 9:28 pm	9	2059	Last post by danko Tue Dec 16, 2008 9:11 pm
Instruments calibration of HPLC by zlb215 » Tue Dec 16, 2008 8:19 am	1	1710	Last post by Noser222 Tue Dec 16, 2008 3:07 pm
new to HPLC have some questions :) by che313 » Fri Oct 17, 2008 5:41 pm	10	2757	Last post by Ninocka Tue Dec 16, 2008 10:40 am
how drug's pKa help in RP-HPLC method development by parveenqa » Thu Sep 25, 2008 8:38 am	18	11165	Last post by parveenqa Tue Dec 16, 2008 10:31 am
understanding DSC data by mk12 » Mon Dec 15, 2008 6:05 am	1	1516	Last post by syx Tue Dec 16, 2008 12:38 am
Is Trifluoroacetic acid responsible for the problem? by M Zargham Khan » Sun Dec 07, 2008 5:40 pm	6	2020	Last post by danko Sat Dec 13, 2008 8:49 pm
phenyl Column by praveenpaliwal » Thu Dec 11, 2008 2:29 pm	4	4382	Last post by mohan_2008 Sat Dec 13, 2008 4:56 pm
problem using UV detector by JZ9092 » Fri Dec 12, 2008 5:06 pm	3	2263	Last post by elsico Sat Dec 13, 2008 9:55 am
Has your HPLC ever been infected? by Jade.Barker » Wed Dec 10, 2008 5:50 pm	13	3047	Last post by mbicking Fri Dec 12, 2008 6:12 pm
TFK as an ion pairing reagent by adi.nu.r » Thu Dec 11, 2008 9:37 pm	8	1634	Last post by adi.nu.r Fri Dec 12, 2008 5:52 pm
Anions by ELSD by sehling » Thu Dec 11, 2008 7:44 pm	3	2047	Last post by XL Fri Dec 12, 2008 6:34 am
Chromatography of Zwitterionic Buffers (MES, MOPS, etc.) by Nalizer » Tue Jul 08, 2008 8:18 pm	4	2582	Last post by Vlad Orlovsky Thu Dec 11, 2008 4:41 pm
PL ELS detectore-evaporation of solvents by Tinas » Thu Dec 11, 2008 10:57 am	2	1357	Last post by JGK Thu Dec 11, 2008 4:13 pm
ACN Distributors by DrAgnew » Thu Dec 04, 2008 9:28 pm	4	2575	Last post by syx Thu Dec 11, 2008 1:12 am
RID problem with methanol? by ACPilot » Wed Dec 10, 2008 6:51 pm	1	1506	Last post by Bruce Hamilton Wed Dec 10, 2008 10:10 pm
Constant Carryover by seamoro » Fri Dec 05, 2008 11:16 am	20	6166	Last post by Jade.Barker Wed Dec 10, 2008 5:22 pm
Vitamins analysis of human samples by James Ellis » Fri Nov 21, 2008 2:01 pm	5	2383	Last post by oscarBAL Wed Dec 10, 2008 3:57 pm
how to decide the extraction procedure by parveenqa » Fri Dec 05, 2008 6:59 am	3	2288	Last post by parveenqa Wed Dec 10, 2008 6:28 am
HILIC column storage by thohry » Mon Nov 10, 2008 6:57 am	13	5477	Last post by Jade.Barker Tue Dec 09, 2008 5:54 pm
Loading Capacity of HPLC Columns by Bob Albrecht » Thu Sep 18, 2008 1:42 pm	15	23185	Last post by Bryan Evans Tue Dec 09, 2008 5:52 pm
Injection of aqueous samples in normal phase HPLC? by paroma » Thu Oct 23, 2008 1:25 pm	19	8500	Last post by HW Mueller Tue Dec 09, 2008 10:45 am
Power Supplies by Chris » Wed Dec 03, 2008 10:57 pm	11	5929	Last post by DR Mon Dec 08, 2008 3:09 pm
Analytical generals by praveenpaliwal » Wed Dec 03, 2008 6:34 pm	5	2299	Last post by DR Mon Dec 08, 2008 2:57 pm
conversion of gradient by tilly » Sun Dec 07, 2008 3:17 pm	5	2804	Last post by zokitano Mon Dec 08, 2008 12:52 pm
cost of method development/ new stationary phase by HPLCgroupEurope » Sat Dec 06, 2008 11:53 pm	8	2542	Last post by HPLCgroupEurope Sun Dec 07, 2008 11:31 pm
bad recovery! by Nour » Fri Dec 05, 2008 10:35 pm	9	2583	Last post by Nour Sun Dec 07, 2008 10:16 pm
Primesep-D HPLC column by praveenpaliwal » Mon Dec 01, 2008 5:46 pm	4	3039	Last post by praveenpaliwal Sat Dec 06, 2008 3:00 pm
Diffrence in retentions time by mk12 » Thu Nov 20, 2008 11:54 pm	9	2569	Last post by Bruce Hamilton Sat Dec 06, 2008 8:08 am

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