Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 399	399	1500	Last post Re: Inquiry: Replacement hous… by cpell Thu Nov 13, 2025 5:02 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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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	81838	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Views	Last post
HPLC grade methanol [March 24, 2004] by admin » Wed Aug 25, 2004 4:56 am	4412	Last post by admin Wed Aug 25, 2004 4:56 am
HILIC of amino sugar [March 25, 2004] by admin » Wed Aug 25, 2004 4:55 am	4264	Last post by admin Wed Aug 25, 2004 4:55 am
EDDHA isomer separation [September 11, 2003] by admin » Wed Aug 25, 2004 4:54 am	3783	Last post by admin Wed Aug 25, 2004 4:54 am
Citrulline dosage [March 30, 2004] by admin » Wed Aug 25, 2004 4:53 am	3774	Last post by admin Wed Aug 25, 2004 4:53 am
Amine hydrochloride in HPLC [March 30, 2004] by admin » Wed Aug 25, 2004 4:52 am	5208	Last post by admin Wed Aug 25, 2004 4:52 am
Favorite procedure for cleaning up an LC? [April 1, 2004] by admin » Wed Aug 25, 2004 4:51 am	4875	Last post by admin Wed Aug 25, 2004 4:51 am
Titanium dioxide in sunscreens [April 7, 2004] by admin » Wed Aug 25, 2004 4:49 am	3870	Last post by admin Wed Aug 25, 2004 4:49 am
A proper internal standard for thiamine [April 10, 2004] by admin » Wed Aug 25, 2004 4:48 am	3821	Last post by admin Wed Aug 25, 2004 4:48 am
Preservatives in cosmetic products [April 13, 2004] by admin » Wed Aug 25, 2004 4:47 am	4014	Last post by admin Wed Aug 25, 2004 4:47 am
Peak height or peak area in HPLC analysis [April 13, 2004] by admin » Wed Aug 25, 2004 4:46 am	5345	Last post by admin Wed Aug 25, 2004 4:46 am
Ion-pairing agent [April 14, 2004] by admin » Wed Aug 25, 2004 4:45 am	4791	Last post by admin Wed Aug 25, 2004 4:45 am
TLC for oligosaccharides [April 21, 2004] by admin » Wed Aug 25, 2004 4:44 am	4420	Last post by admin Wed Aug 25, 2004 4:44 am
ACN/MeOH mixtures [April 21, 2004] by admin » Wed Aug 25, 2004 4:43 am	14537	Last post by admin Wed Aug 25, 2004 4:43 am
Which column???? [April 27, 2004] by admin » Wed Aug 25, 2004 4:42 am	4360	Last post by admin Wed Aug 25, 2004 4:42 am
Very poor retentivity of compound [April 29, 2004] by admin » Wed Aug 25, 2004 4:41 am	4687	Last post by admin Wed Aug 25, 2004 4:41 am
Substitute for Beckman Amino Acid columns? [April 29, 2004] by admin » Wed Aug 25, 2004 4:40 am	4183	Last post by admin Wed Aug 25, 2004 4:40 am
Good column wash for C18 [April 30, 2004] by admin » Wed Aug 25, 2004 4:39 am	6392	Last post by admin Wed Aug 25, 2004 4:39 am
Ketoconazole [May 3, 2004] by admin » Wed Aug 25, 2004 4:38 am	4346	Last post by admin Wed Aug 25, 2004 4:38 am
HPLC internal standard [May 4, 2004] by admin » Wed Aug 25, 2004 4:36 am	4785	Last post by admin Wed Aug 25, 2004 4:36 am
PKa of heptanesulfonic acid? [May 4, 2004] by admin » Wed Aug 25, 2004 4:35 am	5782	Last post by admin Wed Aug 25, 2004 4:35 am
Column washing [May 10, 2004] by admin » Wed Aug 25, 2004 3:54 am	4536	Last post by admin Wed Aug 25, 2004 3:54 am
detecting ascorbic acid [May 10, 2004] by admin » Wed Aug 25, 2004 3:53 am	5317	Last post by admin Wed Aug 25, 2004 3:53 am
Dexchlorpheniramine maleate [May 11, 2004] by admin » Wed Aug 25, 2004 3:51 am	4788	Last post by admin Wed Aug 25, 2004 3:51 am
Loperamide hydrochloride related substances [May 13, 2004] by admin » Wed Aug 25, 2004 3:49 am	4344	Last post by admin Wed Aug 25, 2004 3:49 am
Ghost peak problem [May 14, 2004] by admin » Wed Aug 25, 2004 3:48 am	4078	Last post by admin Wed Aug 25, 2004 3:48 am
Shikimic acid + HPLC [May 20, 2004] by admin » Wed Aug 25, 2004 3:47 am	4520	Last post by admin Wed Aug 25, 2004 3:47 am
Separation of tartaric acid and oxalic acid [May 20, 2004] by admin » Wed Aug 25, 2004 3:43 am	5515	Last post by admin Wed Aug 25, 2004 3:43 am
PTFE & Cellulose Filters [May 21, 2004] by admin » Wed Aug 25, 2004 3:41 am	4260	Last post by admin Wed Aug 25, 2004 3:41 am
Ion Chromatography Solvent [May 21, 2004] by admin » Wed Aug 25, 2004 3:39 am	4042	Last post by admin Wed Aug 25, 2004 3:39 am
Baseline: A "V~V~V~V" baseline [May 22, 2004] by admin » Wed Aug 25, 2004 3:37 am	4071	Last post by admin Wed Aug 25, 2004 3:37 am
Difference in total impurity results by HPLC [May 24, 2004] by admin » Wed Aug 25, 2004 3:19 am	4391	Last post by admin Wed Aug 25, 2004 3:19 am
Lauryl Sulfate and Degassing [May 24, 2004] by admin » Tue Aug 24, 2004 11:28 pm	5080	Last post by admin Tue Aug 24, 2004 11:28 pm
LogP by HPLC [May 24, 2004] by admin » Tue Aug 24, 2004 11:25 pm	4273	Last post by admin Tue Aug 24, 2004 11:25 pm
Column dead time??? [May 25, 2004] by admin » Tue Aug 24, 2004 11:24 pm	9340	Last post by admin Tue Aug 24, 2004 11:24 pm
SEC Regeneration Procedure [May 26, 2004] by admin » Tue Aug 24, 2004 11:19 pm	4031	Last post by admin Tue Aug 24, 2004 11:19 pm
Peak Splitting Phenomena [May 27, 2004] by admin » Tue Aug 24, 2004 11:17 pm	4102	Last post by admin Tue Aug 24, 2004 11:17 pm
Desloratadine [May 26, 2004] by admin » Tue Aug 24, 2004 11:16 pm	4657	Last post by admin Tue Aug 24, 2004 11:16 pm
Sseparation condition of catecholamine [May 26, 2004] by admin » Tue Aug 24, 2004 11:15 pm	4455	Last post by admin Tue Aug 24, 2004 11:15 pm
Degradation of Antioxidants [May 27, 2004] by admin » Tue Aug 24, 2004 11:12 pm	4208	Last post by admin Tue Aug 24, 2004 11:12 pm
Shimadzu LC2010 [June 9, 2004] by admin » Tue Aug 24, 2004 11:08 pm	4605	Last post by admin Tue Aug 24, 2004 11:08 pm
HPLC METHOD DEVELOPMENT [May 28, 2004] by admin » Tue Aug 24, 2004 11:05 pm	4500	Last post by admin Tue Aug 24, 2004 11:05 pm
Problems with TSK-gel amide-80 column [May 29, 2004] by admin » Tue Aug 24, 2004 11:03 pm	4361	Last post by admin Tue Aug 24, 2004 11:03 pm
Response factor, correction factor [May 29, 2004] by admin » Tue Aug 24, 2004 11:02 pm	4464	Last post by admin Tue Aug 24, 2004 11:02 pm
"Control" standard for HPLC Assay [May 29, 2004] by admin » Tue Aug 24, 2004 11:01 pm	6788	Last post by admin Tue Aug 24, 2004 11:01 pm
Help! PVP holds my peak tightly. [May 30, 2004] by admin » Tue Aug 24, 2004 10:59 pm	4137	Last post by admin Tue Aug 24, 2004 10:59 pm
Analytical to semi-preparative scale help [May 31, 2004] by admin » Tue Aug 24, 2004 10:57 pm	4097	Last post by admin Tue Aug 24, 2004 10:57 pm
Midodrine, Oxcarbazepine and Cilostazol [May 31, 2004] by admin » Tue Aug 24, 2004 10:57 pm	4254	Last post by admin Tue Aug 24, 2004 10:57 pm
Analysis of Anions by HPLC (water matrix) [May 31, 2004] by admin » Tue Aug 24, 2004 10:55 pm	4734	Last post by admin Tue Aug 24, 2004 10:55 pm
HPLC method for Methane sulfonic acid [June 1, 2004] by admin » Tue Aug 24, 2004 10:55 pm	6897	Last post by admin Tue Aug 24, 2004 10:55 pm
Problems with static when weighing [June 1, 2004] by admin » Tue Aug 24, 2004 10:53 pm	4342	Last post by admin Tue Aug 24, 2004 10:53 pm

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