Liquid Chromatography

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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

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11916 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	83688	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
AAA Sample Preparation by JimH » Wed Mar 21, 2007 4:03 pm	2	2266	Last post by JimH Thu May 03, 2007 4:42 pm
Normal Phase Vitamin System by rkh » Wed May 02, 2007 1:37 am	1	2170	Last post by tom jupille Wed May 02, 2007 5:40 pm
Dehydrocholic Acid Derivatization by Sentenced » Wed Apr 25, 2007 3:57 pm	15	5524	Last post by Sentenced Wed May 02, 2007 5:06 pm
Regeneration of Partisil column by Vivian Huang » Tue May 01, 2007 11:38 am	3	3362	Last post by DR Wed May 02, 2007 1:11 pm
Shifty BHA by sfe-co2 » Tue May 01, 2007 11:45 am	3	2114	Last post by sfe-co2 Tue May 01, 2007 9:22 pm
Gradients and Primesep by Mattias » Mon Apr 30, 2007 8:17 am	1	1991	Last post by SIELC_Tech Tue May 01, 2007 9:05 pm
Literature about column selection by mk12 » Mon Apr 30, 2007 10:10 pm	3	2321	Last post by Hollow Tue May 01, 2007 5:38 pm
Mobile phase expiration by rwk27834 » Mon Apr 30, 2007 7:34 pm	1	4441	Last post by Mark Tracy Tue May 01, 2007 5:15 pm
please answer by mk12 » Sun Apr 29, 2007 11:20 pm	8	5912	Last post by JM Tue May 01, 2007 8:21 am
please Help asap by mk12 » Sat Apr 28, 2007 9:03 pm	3	2327	Last post by Alfred88 Tue May 01, 2007 4:30 am
Missing Peaks by syx » Tue May 01, 2007 12:21 am	2	1963	Last post by syx Tue May 01, 2007 4:30 am
separation of 2 methyl butyricacid and 3 methyl butyric acid by annethebault » Mon Apr 23, 2007 1:05 pm	7	3832	Last post by annethebault Mon Apr 30, 2007 10:18 am
How do you do method development? by Uwe Neue » Thu Feb 15, 2007 2:30 am	42	16934	Last post by tom jupille Mon Apr 30, 2007 1:10 am
what is %area method and external standard method by mk12 » Sun Apr 29, 2007 2:46 am	3	3276	Last post by tom jupille Mon Apr 30, 2007 12:52 am
jobs in your company by mk12 » Sun Apr 29, 2007 6:54 pm	1	2084	Last post by Hollow Sun Apr 29, 2007 9:47 pm
TLC- fat constituents by LC_Trouble » Sat Apr 28, 2007 12:24 am	1	2031	Last post by Bruce Hamilton Sat Apr 28, 2007 1:58 am
GRADIENT HPLC METHOD DEVELOPEMENT by RAMESH JANGA » Thu Apr 26, 2007 12:46 pm	8	3793	Last post by danko Fri Apr 27, 2007 9:22 pm
Waters 2487 Detector Fogging Problem by gbalock » Fri Apr 27, 2007 7:49 pm	1	2028	Last post by Mark Tracy Fri Apr 27, 2007 8:12 pm
Chromegapore SEC column by CQ_32 » Fri Apr 27, 2007 7:08 pm	0	2027	Last post by CQ_32 Fri Apr 27, 2007 7:08 pm
Overlapped injections - Solved! by Kyle » Fri Apr 27, 2007 5:54 pm	0	2889	Last post by Kyle Fri Apr 27, 2007 5:54 pm
AS 3500 with a DX600 system by bpjackso » Thu Apr 26, 2007 7:51 pm	1	1925	Last post by Mark Tracy Thu Apr 26, 2007 10:24 pm
Help Imidizole and 2meth-Imd HPLC by bgiles » Tue Apr 24, 2007 1:13 pm	7	2860	Last post by pharmason Thu Apr 26, 2007 5:35 pm
Ion-Chromatography system - Phosphate peak in D.I water? by R and D Chemist » Fri Apr 20, 2007 3:57 pm	6	2935	Last post by jdlh199 Thu Apr 26, 2007 4:54 pm
some literature about POP-LC/SOS-LC by Zoltan_Szucs » Thu Apr 26, 2007 6:16 am	0	1790	Last post by Zoltan_Szucs Thu Apr 26, 2007 6:16 am
Waters2487Detector by Kasiban » Wed Apr 25, 2007 1:53 am	2	1945	Last post by Dan Thu Apr 26, 2007 4:18 am
Unfamiliar with ELSD by CSV » Wed Apr 25, 2007 2:26 pm	1	1851	Last post by SIELC_Tech Wed Apr 25, 2007 3:32 pm
Vacuum Degasser contamination by james little » Wed Apr 18, 2007 9:22 pm	6	3085	Last post by Jackus Wed Apr 25, 2007 6:03 am
Matching % acid between mobile phase A and B for RI by Serpico » Mon Apr 23, 2007 1:30 pm	10	4892	Last post by tom jupille Wed Apr 25, 2007 2:53 am
Presence of salt in sample by yeevoon » Sat Apr 14, 2007 6:25 pm	12	5364	Last post by pharmason Tue Apr 24, 2007 6:14 pm
Rimonabant by bookoon » Mon Apr 23, 2007 6:56 am	1	1949	Last post by AA Mon Apr 23, 2007 4:29 pm
Peak Splitting on exsiting method - not the column/system by kevinkol » Sat Apr 21, 2007 11:57 am	3	2312	Last post by kevinkol Mon Apr 23, 2007 2:04 pm
Reusing SPE Disks by ravenwork » Thu Apr 19, 2007 6:31 pm	6	2732	Last post by HW Mueller Mon Apr 23, 2007 6:32 am
Organic Acids by Jason » Wed Apr 04, 2007 7:24 pm	11	4274	Last post by XL Mon Apr 23, 2007 4:40 am
Gradient Elution and Low Detection Wavelength by Andreas Karas » Sun Apr 22, 2007 1:12 pm	4	2670	Last post by tom jupille Mon Apr 23, 2007 3:46 am
Waters 991 pda detector by robertxu » Fri Apr 20, 2007 7:17 am	4	2573	Last post by AA Sat Apr 21, 2007 12:42 pm
Parafilm Contamination? (HPLC) by semivoadude » Sun Apr 15, 2007 6:41 pm	5	4922	Last post by Rande Sat Apr 21, 2007 1:46 am
SEC/GPC Standard Issues by KAR10 » Thu Apr 19, 2007 4:07 pm	3	2980	Last post by Rande Sat Apr 21, 2007 1:33 am
Seeking advice on SPE automation device by foren » Fri Apr 20, 2007 2:45 pm	1	1974	Last post by Mark Tracy Fri Apr 20, 2007 6:02 pm
The autosampler tamperer - dislodged septa problems - help! by Abarrallan » Fri Apr 20, 2007 10:57 am	1	2510	Last post by DR Fri Apr 20, 2007 3:29 pm
Analysing topical pharmaceuticals by Martina » Thu Apr 19, 2007 3:35 am	2	2211	Last post by Mark Tracy Thu Apr 19, 2007 8:18 pm
Purity of anhydride by HPLC by lotussss » Mon Apr 09, 2007 3:14 pm	2	2227	Last post by avitan Thu Apr 19, 2007 4:36 pm
Peaks in the blank---Back to the forum(Help needed) by LC_Trouble » Wed Apr 18, 2007 3:29 am	2	2044	Last post by DR Thu Apr 19, 2007 3:57 pm
Chemometrics in HPLC analysis by kvalliappan » Mon Apr 16, 2007 3:59 pm	1	2228	Last post by tom jupille Thu Apr 19, 2007 3:25 am
splitting peak by Gali » Tue Apr 17, 2007 3:41 pm	2	2754	Last post by chromatographer1 Tue Apr 17, 2007 8:02 pm
Agilent RRLC or Waters UPLC? by Hollow » Fri Mar 16, 2007 11:46 pm	32	15082	Last post by Kostas Petritis Tue Apr 17, 2007 6:57 pm
retention shift in only in plasma matrix by neuger » Wed Apr 11, 2007 2:16 pm	24	7747	Last post by juddc Tue Apr 17, 2007 3:49 pm
LC detection by dattasubhra » Mon Apr 16, 2007 8:54 pm	6	2812	Last post by dattasubhra Mon Apr 16, 2007 11:27 pm
buy a HPLC by aji jo » Wed Apr 04, 2007 11:23 am	9	3583	Last post by Mark Tracy Mon Apr 16, 2007 6:36 pm
Cannot meet acceptance criteria for lowest 0.05 mg/ml std by semivoadude » Mon Mar 26, 2007 8:30 pm	14	4863	Last post by semivoadude Sun Apr 15, 2007 6:50 pm
Column Care by mordacious » Sat Apr 14, 2007 5:08 am	7	3163	Last post by mordacious Sun Apr 15, 2007 2:48 pm

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