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	83741	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
More Peak Splitting Problems! by Rob Burgess » Tue Nov 29, 2005 11:43 am	21	6984	Last post by tom jupille Tue Dec 06, 2005 4:31 pm
Negative baseline drift on Agilent 1100 RI detector by h.piatkowski@comalc.com » Wed Nov 23, 2005 5:03 pm	26	11633	Last post by h.piatkowski@comalc.com Tue Dec 06, 2005 2:12 pm
Analytical Method for Sodium Risedronate by shekharparvate » Tue Dec 06, 2005 7:00 am	1	2460	Last post by AA Tue Dec 06, 2005 2:03 pm
Benzalkonium Chloride Method by msloane » Wed Nov 30, 2005 5:05 pm	7	3491	Last post by Noser222 Mon Dec 05, 2005 4:38 pm
nateglinide api by TaiwaneseRoger » Sun Dec 04, 2005 3:14 pm	1	2080	Last post by amaryl Mon Dec 05, 2005 12:09 pm
junk at the end of amino acid run by pink05 » Thu Dec 01, 2005 8:48 pm	4	2736	Last post by Mark Tracy Sat Dec 03, 2005 12:06 am
Automated method development by rwilliams » Wed Nov 30, 2005 5:20 pm	5	3029	Last post by bartjoosen Fri Dec 02, 2005 4:02 pm
Baseline Rolling by dwilliamson2 » Wed Nov 23, 2005 4:40 pm	8	3941	Last post by cafran Fri Dec 02, 2005 1:18 am
Impurity makes a split peak, Risedronate by Susanne » Fri Nov 25, 2005 2:38 pm	15	6650	Last post by tom jupille Thu Dec 01, 2005 11:00 pm
TLC identification test by okara » Thu Dec 01, 2005 4:00 pm	1	2346	Last post by chromatographer1 Thu Dec 01, 2005 5:16 pm
Varying Injection Volume by kingm3 » Wed Nov 30, 2005 11:29 am	6	5126	Last post by Peggsy Thu Dec 01, 2005 5:49 am
Thermometer calibration by Sunjay » Wed Nov 23, 2005 9:40 am	4	2911	Last post by Sunjay Thu Dec 01, 2005 5:42 am
Waters Bourdon Transducers by ravenwork » Tue Nov 29, 2005 3:55 pm	3	2485	Last post by ravenwork Tue Nov 29, 2005 6:00 pm
saccharose in HPLC by annethebault » Mon Nov 28, 2005 5:52 pm	7	3922	Last post by tom jupille Tue Nov 29, 2005 4:47 pm
Bile acids by vanjas » Tue Nov 29, 2005 1:31 am	1	2337	Last post by Ary Tue Nov 29, 2005 10:55 am
I need information on chiral seperation by moon704520 » Mon Nov 28, 2005 2:02 am	2	2456	Last post by Roy Mon Nov 28, 2005 10:39 pm
100uL Injection by Cindy » Wed Nov 23, 2005 9:50 pm	4	3156	Last post by rc_12321 Mon Nov 28, 2005 3:15 pm
Oxalic and formic analysis in honey matrix by mvboas » Thu Oct 20, 2005 6:47 pm	5	3250	Last post by Consumer Products Guy Mon Nov 28, 2005 2:53 pm
manual injection practices by jitender » Wed Nov 09, 2005 6:04 pm	14	7569	Last post by HW Mueller Mon Nov 28, 2005 8:35 am
HPLC sterol analyses by josebenjamin » Wed Nov 16, 2005 11:11 pm	7	3920	Last post by JMB Sun Nov 27, 2005 10:13 pm
Residual Imidazole determination by HPLC by ss » Thu Nov 24, 2005 12:30 pm	2	3293	Last post by A.L.N. MURTHY Sat Nov 26, 2005 10:09 am
Bracketing Standard by Sunjay » Wed Nov 23, 2005 9:51 am	4	6346	Last post by rc_12321 Thu Nov 24, 2005 6:01 pm
second hand kit in the UK ? by tayzyboy » Mon Nov 07, 2005 12:24 pm	1	2179	Last post by edlepew Thu Nov 24, 2005 4:04 pm
residual elution by jitender » Mon Nov 14, 2005 5:28 pm	6	2819	Last post by gukai Thu Nov 24, 2005 1:09 pm
Separation of formaldehyde from sugar mixture by fisio625 » Wed Nov 16, 2005 10:40 pm	1	2441	Last post by tom jupille Thu Nov 24, 2005 12:08 am
chromolith by lotussss » Fri Nov 18, 2005 5:49 pm	1	2460	Last post by tom jupille Thu Nov 24, 2005 12:03 am
Is the tailing factor acceptable???? by wxmwqr » Wed Nov 16, 2005 1:27 pm	4	4722	Last post by Chellie Wed Nov 23, 2005 7:11 pm
Anion analysis with Dionex 600 (unknown peak) by Josep Tom » Sat Oct 08, 2005 3:36 pm	7	3497	Last post by kannan_srinivasan Wed Nov 23, 2005 5:45 pm
Glycine, Lysine....help! by Neil » Wed Nov 23, 2005 12:22 am	2	2662	Last post by josebenjamin Wed Nov 23, 2005 4:31 pm
SEC/GPC RI/LS discrepancies by acho » Fri Nov 11, 2005 6:54 pm	8	3933	Last post by HW Mueller Wed Nov 23, 2005 4:24 pm
Getting started for HPLC method development by viru » Fri Nov 18, 2005 1:00 pm	6	3431	Last post by A.L.N. MURTHY Wed Nov 23, 2005 10:17 am
Hydralazine hydrochloride by Chem1 » Tue Nov 22, 2005 3:06 pm	3	2828	Last post by HW Mueller Wed Nov 23, 2005 8:22 am
misbehaved compound...any ideas by Oliver » Tue Nov 22, 2005 8:18 pm	5	3024	Last post by JM Wed Nov 23, 2005 6:42 am
Impurity limit by salfar » Tue Nov 15, 2005 2:50 pm	4	3741	Last post by Oliver Wed Nov 23, 2005 5:15 am
PKa vs. PKb by JI2002 » Fri Nov 18, 2005 6:08 pm	20	10540	Last post by Uwe Neue Wed Nov 23, 2005 3:24 am
what is the best internal standard substance for L-lactate by lyh » Tue Nov 22, 2005 5:51 am	2	2988	Last post by tom jupille Wed Nov 23, 2005 1:17 am
Sensitivity ECD detector by bartjoosen » Fri Nov 18, 2005 9:11 am	1	2675	Last post by Chris Pohl Tue Nov 22, 2005 5:38 am
Clarithromycin as per USP 28, supplement 2 by shashikant » Thu Sep 15, 2005 8:56 am	14	6022	Last post by vanjas Mon Nov 21, 2005 11:20 pm
Hybrid particles Technology: XBridge vs. Gemini by SIELC_Tech » Wed Nov 16, 2005 5:21 pm	9	4793	Last post by SIELC_Tech Mon Nov 21, 2005 8:03 pm
Extraction of stearic/palmatic acid by Mattias » Thu Nov 17, 2005 1:29 pm	8	3923	Last post by Mattias Mon Nov 21, 2005 2:09 pm
Plate count by rc_12321 » Mon Nov 14, 2005 12:51 pm	3	2617	Last post by tom jupille Sat Nov 19, 2005 5:37 pm
Raw Data recording in pharma by Sunjay » Thu Nov 17, 2005 7:40 am	7	3180	Last post by MK Fri Nov 18, 2005 8:45 pm
analysis of phospholipids using HPLC with UV detectors by Waleed » Wed Nov 16, 2005 9:14 pm	6	4092	Last post by Waleed Fri Nov 18, 2005 6:16 pm
Phospholipids using ELSD by Robotjock » Sat Nov 05, 2005 4:40 pm	21	8094	Last post by Waleed Thu Nov 17, 2005 5:38 pm
Serpentine flow in post column derivatisation by Ary » Wed Nov 16, 2005 3:51 pm	5	2924	Last post by Mark Tracy Thu Nov 17, 2005 4:50 pm
Basic question on validation samples by PeteMartin » Thu Nov 03, 2005 4:17 pm	13	4608	Last post by PeteMartin Thu Nov 17, 2005 2:46 pm
Selection of Buffer solution ??? by vanjas » Thu Nov 17, 2005 8:02 am	1	2678	Last post by Bill Tindall Thu Nov 17, 2005 1:52 pm
Precipitation in HPLC with phosphate buffer? by Brian » Sun Nov 13, 2005 10:37 am	23	16971	Last post by moino Thu Nov 17, 2005 1:53 am
Random Baseline Noise in Gradient Elution by asicley » Wed Nov 16, 2005 2:51 pm	6	4165	Last post by asicley Wed Nov 16, 2005 8:17 pm
Autosampler and Fraction collection temperature control by KarenJ » Wed Nov 16, 2005 4:47 pm	2	2764	Last post by Mark Tracy Wed Nov 16, 2005 7:26 pm

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