Liquid Chromatography

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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

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11906 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62708	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Sedex ELSD model 65 manual by labstephan » Thu Oct 02, 2008 4:07 pm	6	2581	Last post by Kostas Petritis Wed Oct 08, 2008 6:59 pm
HPLC macro help by beca » Tue Oct 07, 2008 11:03 pm	0	1326	Last post by beca Tue Oct 07, 2008 11:03 pm
solvent not miscible with water by d.telaro » Mon Oct 06, 2008 11:43 am	2	1525	Last post by Bryan Evans Mon Oct 06, 2008 2:42 pm
Peaks in blank run ......?! by Provetech » Fri Oct 03, 2008 9:41 am	4	2782	Last post by Rob Burgess Mon Oct 06, 2008 12:11 pm
CZE buffers by PHOBIUS » Mon Oct 06, 2008 8:01 am	0	1320	Last post by PHOBIUS Mon Oct 06, 2008 8:01 am
mobile phase by d.telaro » Fri Oct 03, 2008 12:57 pm	8	2124	Last post by danko Mon Oct 06, 2008 7:49 am
Simoultaneous use of plasma EDTA and heparihized one as matr by Anna Arag » Sat Oct 04, 2008 10:02 am	3	1524	Last post by HW Mueller Mon Oct 06, 2008 7:19 am
Extraction of Ascorbic Acid from Luffa by John R. Carver » Wed Sep 24, 2008 6:45 pm	2	1597	Last post by Einar Ponten Thu Oct 02, 2008 9:04 pm
how should i start my method development for HPLC by parveenqa » Sun Sep 28, 2008 2:37 pm	3	1672	Last post by Einar Ponten Thu Oct 02, 2008 9:01 pm
Waters Alliance 2790 no peaks?! by MIB_EO » Tue Sep 30, 2008 3:06 pm	5	1585	Last post by MIB_EO Thu Oct 02, 2008 2:09 pm
what is cut off for tetraalkylammonium sal (HPLC) ? by JOCAPEN » Wed Sep 10, 2008 12:32 pm	5	2297	Last post by JOCAPEN Wed Oct 01, 2008 8:44 pm
Extraction of "Free Fatty Acids" from rodent blood by John R. Carver » Mon Sep 29, 2008 4:07 pm	3	1653	Last post by HW Mueller Wed Oct 01, 2008 7:47 am
Analysis of Urea on a Hypersil LC column by John R. Carver » Tue Sep 30, 2008 5:15 pm	1	1414	Last post by H.Thomas Wed Oct 01, 2008 7:15 am
effect of plasma dilution prior to SPE by bert » Fri Sep 19, 2008 10:00 am	9	2906	Last post by Fat Jonny Tue Sep 30, 2008 5:22 pm
how to increase the response of a method for an analyte by parveenqa » Sun Sep 28, 2008 2:24 pm	3	1658	Last post by AdrianF Tue Sep 30, 2008 3:56 pm
Snedecor's F test for linearity by Kwet » Sat Sep 27, 2008 3:04 pm	11	3253	Last post by aceto_81 Tue Sep 30, 2008 8:43 am
ref std purity by mojo » Mon Sep 29, 2008 12:22 pm	3	1349	Last post by Bruce Hamilton Mon Sep 29, 2008 7:55 pm
Electrochemical detector testing by Lyser » Thu Sep 25, 2008 8:56 am	3	1692	Last post by Lyser Mon Sep 29, 2008 8:30 am
What does Ion capacity or Ion exchange capacity indicates?? by rick1112 » Sun Aug 31, 2008 4:07 am	31	6529	Last post by HW Mueller Mon Sep 29, 2008 8:29 am
comparison of RP-columns by rick1112 » Thu Sep 11, 2008 11:24 am	5	1874	Last post by JA Sun Sep 28, 2008 7:22 pm
Purity Assignment for non-pharmacopeial compounds by banala_b » Sat Sep 27, 2008 8:02 pm	0	1633	Last post by banala_b Sat Sep 27, 2008 8:02 pm
Regenerating Normal Phase Columns by adam » Tue Sep 23, 2008 1:06 am	4	1746	Last post by Noser222 Sat Sep 27, 2008 6:57 pm
Silver Ion HPLC for Oil & Fat Analysis Using ELSD by kan » Thu Sep 25, 2008 8:20 am	6	2050	Last post by kan Sat Sep 27, 2008 4:30 pm
Column Diameter Required for High Pressure HPLC by hajdaei » Mon Sep 15, 2008 9:09 pm	10	2530	Last post by Uwe Neue Sat Sep 27, 2008 2:11 pm
RPC Column Switch - Please advise! by courtnic7 » Thu Sep 25, 2008 5:50 am	6	1681	Last post by Uwe Neue Sat Sep 27, 2008 1:58 pm
HPLC - ELSD by ntbhat » Thu Sep 25, 2008 7:14 pm	6	1864	Last post by Einar Ponten Fri Sep 26, 2008 7:35 pm
retention time and pressure problems by inge » Wed Sep 24, 2008 8:29 am	9	2032	Last post by HW Mueller Fri Sep 26, 2008 7:35 am
filter Nylon, PTFE, PVDF ? by adrien16 » Wed Sep 24, 2008 12:40 pm	7	2010	Last post by mbicking Thu Sep 25, 2008 5:58 pm
PTFE digestion by emsman » Thu Sep 25, 2008 2:53 pm	1	1135	Last post by rhaefe Thu Sep 25, 2008 3:08 pm
Re: HPLC method for residual alpha olefins in polymers? by IC_Gal » Wed Sep 24, 2008 9:20 pm	0	1276	Last post by IC_Gal Wed Sep 24, 2008 9:20 pm
Why use LiCl in DMF by berkeley1 » Mon Sep 08, 2008 4:27 pm	1	3086	Last post by colex Wed Sep 24, 2008 3:41 pm
Any advices for a RP-HPLC separation??? by Karvezide » Wed Sep 17, 2008 1:40 pm	7	2087	Last post by goxy43 Tue Sep 23, 2008 11:50 am
"design" of a pharmaceutical product purity analys by ricopalazo » Tue Sep 23, 2008 11:12 am	1	1439	Last post by shaun78 Tue Sep 23, 2008 11:41 am
Polarity of a compound by isuphysics » Tue Sep 23, 2008 3:55 am	3	1564	Last post by lmh Tue Sep 23, 2008 9:50 am
fluorescent derivatisation of peptides by andrewna » Thu Sep 18, 2008 11:08 am	6	2452	Last post by zokitano Mon Sep 22, 2008 3:38 pm
Problems with the unstable baseline by vicou_chen » Sun Sep 21, 2008 2:45 pm	2	1610	Last post by mbicking Mon Sep 22, 2008 1:51 am
Analytical Method..Help or suggestion needed. by San2222 » Fri Sep 19, 2008 7:55 pm	3	2489	Last post by JA Sun Sep 21, 2008 11:48 pm
Identifying amlodipine using HPLC by mashi » Fri Sep 19, 2008 7:19 pm	3	1870	Last post by JA Sun Sep 21, 2008 11:13 am
Buffers/Normal Phase by TimB » Fri Sep 19, 2008 2:07 pm	3	2578	Last post by Bryan Evans Fri Sep 19, 2008 3:01 pm
Agilent autosampler by d.telaro » Wed Aug 06, 2008 11:51 am	24	4910	Last post by dries vrielink Thu Sep 18, 2008 1:10 pm
AAA Triptopahn preservation. by oscarBAL » Fri Sep 12, 2008 2:49 pm	3	1921	Last post by oscarBAL Tue Sep 16, 2008 2:46 pm
Norleucine and Leucine by klimbaka » Tue Aug 26, 2008 10:54 am	12	3746	Last post by Kostas Petritis Mon Sep 15, 2008 5:53 pm
Wear-in Procedure in HPLC 1100 Agilent by haiedc » Thu Sep 11, 2008 6:53 am	9	4303	Last post by scottythree Mon Sep 15, 2008 3:39 pm
NP sub 2 um columns by Koen Hollebekkers » Thu Sep 11, 2008 2:27 pm	5	2930	Last post by Fiz Mon Sep 15, 2008 12:51 pm
Evaluation of self packed MPLC column by Hollow » Fri Sep 12, 2008 8:26 pm	6	3119	Last post by Hollow Sun Sep 14, 2008 8:38 pm
iodate estimation by Dr Babulal Rebary » Sat Sep 13, 2008 1:41 pm	0	1524	Last post by Dr Babulal Rebary Sat Sep 13, 2008 1:41 pm
protein isocratic HPLC..preparatin of tris buffer+n-propanol by alicee! » Wed Sep 10, 2008 11:55 am	14	2532	Last post by lmh Fri Sep 12, 2008 10:36 am
Extracting an API from a topical cream/lotion by TimB » Thu Sep 04, 2008 2:34 pm	12	3877	Last post by sfe-co2 Thu Sep 11, 2008 8:49 pm
Lamps: Leave on or turn off? by GregK » Wed Sep 10, 2008 9:03 am	4	3895	Last post by sfe-co2 Thu Sep 11, 2008 8:41 pm
Derivatization of carboxylic group for fluorescence by cyanogen78 » Wed Sep 03, 2008 1:01 pm	13	6179	Last post by moino Thu Sep 11, 2008 8:08 am

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