Liquid Chromatography

Forum	Topics	Posts	Last post
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

Post a new topic

11916 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	83520	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Regenerating polyhydroxyethyl columns by DJ » Sun Jul 10, 2011 10:16 pm	6	1896	Last post by Andy Alpert Tue Jul 12, 2011 8:44 pm
Is there any method to determine Dimethylamine by TLC??? by vishnu » Wed Jul 06, 2011 4:36 pm	13	2723	Last post by tom jupille Tue Jul 12, 2011 6:59 pm
is there a criteria for carryover peaks? by flora0975 » Fri Jul 08, 2011 5:02 pm	11	7268	Last post by tom jupille Tue Jul 12, 2011 6:57 pm
Injecting 5-10µL water onto ChiralPak AD-H Chiral Columns by Rob Burgess » Tue Jul 12, 2011 3:35 pm	2	2509	Last post by tom jupille Tue Jul 12, 2011 6:45 pm
UPLC Transfer by shaun78 » Thu Jun 23, 2011 5:18 pm	2	1934	Last post by krickos Tue Jul 12, 2011 5:29 pm
What is turning my methanol yellow/orange?? by Trishia » Tue Jul 05, 2011 2:30 pm	15	8281	Last post by Trishia Tue Jul 12, 2011 4:13 pm
ZORBAX Carbohydrate from Agilent - Help please by patomb » Tue Jul 12, 2011 3:43 pm	5	3918	Last post by sepscientologist Thu Jul 14, 2011 4:37 pm
Chem Station Help - Again by H34ds » Thu Jul 01, 2010 9:11 am	6	3587	Last post by DSP007 Tue Jul 12, 2011 2:39 pm
Mistery-Peak area 1/3 now by saioa » Mon Jul 11, 2011 8:34 am	3	1819	Last post by analyticalstudent Tue Jul 12, 2011 12:15 pm
vitamin K by rubypharma » Sat Jul 02, 2011 10:06 pm	2	1550	Last post by bomberang Tue Jul 12, 2011 5:23 am
trouble using dual detection mode of Waters 2487 detector by pri6886 » Fri Nov 26, 2010 1:30 am	1	1674	Last post by remesquaddie Mon Jul 11, 2011 8:30 pm
Dionex Pump Problem by lgchrom » Fri Dec 10, 2010 10:38 pm	1	1786	Last post by remesquaddie Mon Jul 11, 2011 8:25 pm
Waters Lambda-Max 481 autozero by herbmaker » Tue Jun 21, 2011 9:07 pm	1	6125	Last post by remesquaddie Mon Jul 11, 2011 8:08 pm
Agilent 1260 A lemon? by tbone » Sat Jun 04, 2011 1:48 pm	7	4499	Last post by HPLC algae chick Mon Jul 11, 2011 2:59 pm
high pressure and pressure fluctuations by haverickm1 » Mon Jul 11, 2011 4:43 am	1	1458	Last post by Gerhard Kratz Mon Jul 11, 2011 7:14 am
agilent 1200 elsd detector by mirac_han » Fri Jul 08, 2011 8:34 am	2	1751	Last post by JGK Fri Jul 08, 2011 7:36 pm
Pore size effect on elution by DaveM » Fri Jul 08, 2011 8:41 am	2	2332	Last post by Hollow Fri Jul 08, 2011 5:58 pm
A black line across my developed TLC plat by Felic » Wed May 25, 2011 2:03 pm	18	3891	Last post by HW Mueller Fri Jul 08, 2011 8:38 am
HPLC Mobile phase optimization phase diagram selection by krisradh1432 » Fri Jul 08, 2011 2:41 am	0	1518	Last post by krisradh1432 Fri Jul 08, 2011 2:41 am
Generating Reference Standards by vishall79 » Mon Jul 04, 2011 4:12 pm	3	1359	Last post by Blazer Thu Jul 07, 2011 9:37 pm
Connecting Jasco RI Detector via HP 35900e to Agilent 1100 by zurofft » Thu Jul 07, 2011 3:21 am	2	1672	Last post by sepscientologist Thu Jul 07, 2011 5:37 pm
Experience with Hitachi HPLC Equipment by Ananthy Maheson » Mon Jun 27, 2011 12:01 am	3	1565	Last post by unmgvar Thu Jul 07, 2011 4:41 pm
Ghost peak issue by cloudpp » Wed Jul 06, 2011 2:39 pm	2	1405	Last post by tom jupille Thu Jul 07, 2011 1:17 pm
WATERS 2475 Fluorescence detector problem by remesquaddie » Wed Jul 06, 2011 4:56 pm	2	1403	Last post by remesquaddie Wed Jul 06, 2011 8:59 pm
Formic Acid analysis with C18 HPLC column by shahid » Tue Jul 05, 2011 5:58 pm	2	2108	Last post by Lusby43 Wed Jul 06, 2011 6:53 am
G1311A Leak Test Failure by ksharp » Tue Jul 05, 2011 5:35 pm	1	1587	Last post by Consumer Products Guy Wed Jul 06, 2011 4:10 am
Polysulfoethyl vs polycat A @ pH 5 by DJ » Tue Jul 05, 2011 4:59 pm	2	1471	Last post by DJ Wed Jul 06, 2011 2:46 am
Optimizing gradients IEX, by DJ » Tue Jul 05, 2011 4:52 pm	1	1193	Last post by Ting Wu Tue Jul 05, 2011 9:28 pm
Peak brodening in Chiral pak-AD column by vvreddy » Tue Jul 05, 2011 4:15 am	3	1616	Last post by achkata Tue Jul 05, 2011 9:21 pm
Formic Acid analysis with C18 HPLC column by shahid » Tue Jul 05, 2011 5:55 pm	1	1719	Last post by achkata Tue Jul 05, 2011 7:45 pm
CAD flood (charged aerosol detector) by lynzjm » Mon Jul 04, 2011 8:42 am	3	2654	Last post by jpwoods Tue Jul 05, 2011 6:26 pm
detector by miumiu1351 » Fri Jun 24, 2011 3:41 pm	20	2261	Last post by unmgvar Tue Jul 05, 2011 10:10 am
to dry samples? by gvportari » Thu Jun 30, 2011 1:49 am	6	1556	Last post by Peter Apps Tue Jul 05, 2011 7:04 am
Help wrt. separation needed ! by Humad » Sat Jul 02, 2011 9:21 am	5	1461	Last post by unmgvar Mon Jul 04, 2011 6:39 pm
Phosphoric acid giving dirty baseline? by NYYFan » Fri Jul 01, 2011 12:57 pm	2	2521	Last post by tom jupille Mon Jul 04, 2011 3:38 pm
both negative and positive peak in my chrom by julietinmay » Tue Jun 28, 2011 7:30 pm	6	1683	Last post by Markus Laeubli, Metrohm Mon Jul 04, 2011 6:50 am
detector blocked by miumiu1351 » Fri Jun 24, 2011 2:56 pm	8	1381	Last post by unmgvar Sun Jul 03, 2011 7:21 pm
predicting retention in ion exchange hplc by DJ » Tue May 24, 2011 4:56 am	9	2318	Last post by Andy Alpert Sun Jul 03, 2011 3:19 am
Best UHPLC columns by jusuom » Tue Jun 28, 2011 6:44 am	1	1333	Last post by unmgvar Fri Jul 01, 2011 7:35 pm
Vintage Viscotek laser replacement by Nor_Chrom » Fri Jul 01, 2011 6:17 pm	1	1204	Last post by unmgvar Fri Jul 01, 2011 7:28 pm
Bore size of switching valve in Acquity sample manager by sbrand » Fri Jul 01, 2011 1:37 pm	0	1295	Last post by sbrand Fri Jul 01, 2011 1:37 pm
Units of UV abs. peak area in masslynx by grumbledook » Tue Mar 30, 2010 4:52 pm	2	7708	Last post by mspittel Thu Jun 30, 2011 12:06 pm
HP 1050 UV Detector. by dave » Wed Jun 29, 2011 11:34 am	4	1906	Last post by LCbob Thu Jun 30, 2011 7:47 am
My Waters 717plus injector is horribly contaminated! Help! by dkreller » Fri Jun 24, 2011 2:09 pm	6	1806	Last post by Hollow Thu Jun 30, 2011 5:55 am
Method needed for TLC by vishnu » Tue Jun 28, 2011 12:42 pm	8	2320	Last post by tom jupille Thu Jun 30, 2011 2:46 am
Alltech ERIS 1000HP Autosuppressor by Vlad Orlovsky » Wed Jun 29, 2011 8:30 pm	0	1824	Last post by Vlad Orlovsky Wed Jun 29, 2011 8:30 pm
interfacing photon multiplier tube with agilent 1100 system by water quality PhD » Thu Jun 23, 2011 5:41 am	4	1806	Last post by sepscientologist Wed Jun 29, 2011 3:50 pm
Probem with VWD. Please help me! by le duy » Mon May 23, 2011 8:00 am	8	1953	Last post by bisnettrj2 Wed Jun 29, 2011 2:43 pm
Waters,Alliance 2690 by Parham » Thu Jun 23, 2011 10:10 am	2	1751	Last post by greenlab Wed Jun 29, 2011 3:23 am
upgrade of PC for Waters Alliance 2690 by abbidmajid » Mon Jun 27, 2011 2:52 pm	3	1612	Last post by greenlab Wed Jun 29, 2011 3:12 am

Post a new topic

11916 topics

Return to Board Index

Who is online

In total there are 10 users online :: 1 registered, 0 hidden and 9 guests (based on users active over the past 5 minutes)
Most users ever online was 11462 on Mon Dec 08, 2025 9:32 pm

Users browsing this forum: Google [Bot] and 9 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