Liquid Chromatography

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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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11906 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	64343	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Help for C8 column choice for peptide purification by magicdice » Thu May 05, 2011 9:01 pm	2	2219	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	2203	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	2412	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	4243	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	7372	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	3104	Last post by unmgvar Mon May 02, 2011 6:52 pm
MERCK L-4250 by klein » Mon May 02, 2011 6:58 am	0	1864	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	4653	Last post by lgchrom Thu May 05, 2011 9:18 am
Preventing column fouling by DJ » Sat Apr 30, 2011 3:52 pm	1	1969	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	2978	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	5303	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	4427	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	3433	Last post by centraing Fri Apr 29, 2011 9:06 am
How quantify Surfactin? by Gilberto » Tue Apr 26, 2011 2:27 pm	1	1462	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	1453	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	2984	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	1177	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	1307	Last post by DSP007 Wed Apr 27, 2011 1:04 pm
Jagged IC Peaks by Jhoward333 » Thu Apr 21, 2011 8:22 pm	3	1970	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	1747	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	5806	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	3693	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	2924	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	2304	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	7767	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	1732	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	7692	Last post by DSP007 Sat Apr 23, 2011 1:08 pm
HPLC Anomally??? by Jetgel » Thu Apr 21, 2011 1:22 am	6	1954	Last post by Jetgel Thu Apr 21, 2011 2:24 pm
The right equipment by akribis2 » Wed Apr 20, 2011 12:13 pm	2	1669	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	2661	Last post by Sandra7 Thu Apr 21, 2011 4:04 pm
SAX columns by wan » Wed Apr 20, 2011 7:25 am	1	1654	Last post by Ting Wu Wed Apr 20, 2011 3:59 pm
8453 UV by MitchHowell » Wed Apr 20, 2011 3:18 pm	1	2908	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	2672	Last post by klein Wed Apr 20, 2011 1:38 pm
I HAVE A PROBLEM WITH THE SENSOR by Quantar_lpao » Wed Apr 20, 2011 1:18 am	1	1635	Last post by tom jupille Wed Apr 20, 2011 2:16 am
why HPLC baseline spike a lot by AUlee » Mon Apr 11, 2011 8:48 pm	8	8080	Last post by tom jupille Wed Apr 20, 2011 2:10 am
Agilent 1200 SL binary Pump - Rusting by schpen » Mon Apr 18, 2011 5:31 pm	3	2197	Last post by schpen Tue Apr 19, 2011 4:01 pm
Response factor from degradation experiment by aceto_81 » Tue Apr 12, 2011 8:42 am	7	2229	Last post by Mattias Tue Apr 19, 2011 7:18 am
Loss of selectivity in Xbridge columns at hight pH by vikmnilu » Thu Mar 10, 2011 8:56 am	14	4594	Last post by ym3142 Mon Apr 18, 2011 12:42 pm
Flourescence settings by miro2009 » Thu Apr 14, 2011 1:31 pm	5	2121	Last post by tom jupille Sun Apr 17, 2011 9:14 pm
Analysis of mycotoxins in vegetables by zanio » Sat Apr 16, 2011 11:00 am	1	2211	Last post by DSP007 Sun Apr 17, 2011 8:37 pm
Bio-Inert LC? by Karen01 » Wed Mar 30, 2011 6:28 pm	7	5233	Last post by DSP007 Sun Apr 17, 2011 6:28 pm
Need book by aezee » Sun Apr 17, 2011 8:45 am	1	1340	Last post by Don_Hilton Sun Apr 17, 2011 1:26 pm
Experience with Nexera Shimadzu system. Empower. by michaldousa » Thu Jan 06, 2011 12:19 pm	7	2334	Last post by a.srikanth Sat Apr 16, 2011 6:42 am
What could be the reason for this HPLC analysis? by Sandra7 » Wed Apr 13, 2011 3:37 am	18	3137	Last post by Sandra7 Fri Apr 15, 2011 10:21 pm
Flushing in IEC system by thohry » Wed Apr 13, 2011 3:34 pm	2	1407	Last post by thohry Fri Apr 15, 2011 4:32 pm
Surfactin doubts by Gilberto » Thu Apr 14, 2011 3:01 pm	1	1160	Last post by tom jupille Thu Apr 14, 2011 3:32 pm
cellulose and PEG (Polyethylene Glycol) HPLC method ? by raj_2011 » Thu Mar 31, 2011 1:21 am	3	1500	Last post by DSP007 Thu Apr 14, 2011 9:16 am
Agilent Bin Pump Initiation Problem by sekarbioanalytical » Wed Apr 13, 2011 10:25 am	5	1718	Last post by agilentchina Thu Apr 14, 2011 2:34 am
Looking for a ref paper ... by kopkromfer » Wed Apr 13, 2011 11:37 pm	0	1211	Last post by kopkromfer Wed Apr 13, 2011 11:37 pm
tertiary and quatenary amines by push » Fri Apr 08, 2011 7:44 pm	5	1507	Last post by XL Wed Apr 13, 2011 9:05 pm

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