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: 119	119	467	Last post Re: choice of GPC software by pigsy1983 Tue Jul 08, 2025 4:23 pm

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11911 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	76974	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Mix in hight pressure or low pressure by tonja79 » Wed Dec 06, 2006 4:27 pm	3	2163	Last post by Mark Tracy Fri Dec 08, 2006 9:22 pm
UPLC by Alejandro » Sat Nov 25, 2006 2:51 pm	8	3200	Last post by Newman768 Fri Dec 08, 2006 2:20 pm
Different RF with differing MeOH in sample. by Brando » Wed Nov 22, 2006 10:51 am	14	3996	Last post by ym3142 Fri Dec 08, 2006 5:08 am
choice of QC's concentrations by dipols » Thu Nov 30, 2006 1:32 pm	1	2179	Last post by tom jupille Fri Dec 08, 2006 3:51 am
Wavelength accuracy Agilent VWD by mojo » Thu Dec 07, 2006 10:45 am	4	3036	Last post by Consumer Products Guy Thu Dec 07, 2006 8:15 pm
Unknown Peaks in Cleaning Validation Samples by JDRAT » Mon Dec 04, 2006 8:37 pm	4	3826	Last post by JDRAT Thu Dec 07, 2006 4:47 pm
Extremely low peptide concentrations by Mattias » Fri Dec 01, 2006 12:12 pm	16	4706	Last post by Mattias Thu Dec 07, 2006 8:01 am
to separate dexamethasone and Betamethasone by ym3142 » Tue Dec 05, 2006 4:48 pm	3	2623	Last post by ym3142 Thu Dec 07, 2006 2:58 am
stuck compound? by somae » Wed Dec 06, 2006 10:25 am	2	3319	Last post by ym3142 Thu Dec 07, 2006 2:56 am
ascorbic acid extraction by vestelshirley » Wed Dec 06, 2006 7:57 pm	0	1921	Last post by vestelshirley Wed Dec 06, 2006 7:57 pm
Related substance again(sorry for reapting) by mfahe » Tue Dec 05, 2006 9:29 pm	1	1977	Last post by PJ8 Wed Dec 06, 2006 10:49 am
NaBenzoate new method? by bgiles » Mon Dec 04, 2006 8:19 pm	15	4803	Last post by Uwe Neue Wed Dec 06, 2006 2:04 am
Software for Dionex Spectral Array Detector DSA-1 (UVis-206) by gctenore » Tue Dec 05, 2006 8:59 pm	0	1891	Last post by gctenore Tue Dec 05, 2006 8:59 pm
Automated sample prep by John » Tue Dec 05, 2006 7:19 pm	0	1732	Last post by John Tue Dec 05, 2006 7:19 pm
As Speciation by jvjkorn » Mon Dec 04, 2006 3:41 pm	2	2012	Last post by jvjkorn Tue Dec 05, 2006 2:49 pm
What is "back pressure" ? Thank you by kingsemma » Sat Dec 02, 2006 7:34 am	4	3927	Last post by danko Tue Dec 05, 2006 1:47 pm
Related substance again by mfahe » Mon Dec 04, 2006 5:20 pm	3	2229	Last post by gbalock Tue Dec 05, 2006 1:38 pm
::aflatoxins by n-cute » Thu Nov 30, 2006 8:33 am	11	3657	Last post by n-cute Tue Dec 05, 2006 10:09 am
ELSD - Lesson learned! by juddc » Fri Dec 01, 2006 10:50 pm	5	4477	Last post by juddc Mon Dec 04, 2006 6:16 pm
Fluorescence fundamentals (?) by Mattias » Thu Nov 09, 2006 8:52 pm	11	4121	Last post by Mattias Mon Dec 04, 2006 2:01 pm
calibration of HPLC systhems by danielbor » Tue Nov 14, 2006 2:54 pm	4	3559	Last post by Sunjay Mon Dec 04, 2006 9:25 am
Articles on FDA Requirement? by theman » Fri Dec 01, 2006 8:22 am	3	2544	Last post by Consumer Products Guy Sat Dec 02, 2006 7:07 pm
Noisey chromatograms with Atlas and Waters by Cliff Mitchell » Wed Nov 29, 2006 9:22 pm	5	2801	Last post by khw Fri Dec 01, 2006 6:46 am
Help plz by mfahe » Thu Nov 30, 2006 5:50 pm	1	2087	Last post by tom jupille Thu Nov 30, 2006 9:22 pm
Aerosil in sample by Mattias » Fri Nov 24, 2006 12:32 pm	12	4039	Last post by Mattias Thu Nov 30, 2006 6:49 am
HPLC Methods for Recently Approved Pharmaceuticals by diana » Fri Nov 24, 2006 7:15 am	5	3715	Last post by Alfred88 Wed Nov 29, 2006 11:09 pm
HPLC linearity by noswald » Wed Nov 29, 2006 2:45 pm	2	3949	Last post by tom jupille Wed Nov 29, 2006 8:33 pm
Countercurrent Chromatography by sampro » Wed Nov 29, 2006 7:22 pm	0	2078	Last post by sampro Wed Nov 29, 2006 7:22 pm
best condition for sugars analyses by wahyu » Tue Nov 14, 2006 4:51 am	7	2931	Last post by Uwe Neue Wed Nov 29, 2006 6:39 pm
HILIC related questions by acon » Tue Nov 28, 2006 2:25 pm	2	2320	Last post by Tobias Jonsson Tue Nov 28, 2006 9:50 pm
HPLC columns and nanocrystals... or radicals? by Roxanne42 » Fri Nov 17, 2006 8:14 pm	3	2331	Last post by moino Tue Nov 28, 2006 3:04 pm
Vitamin Tablets by Chris » Sun Nov 26, 2006 9:25 pm	6	2692	Last post by Chris Tue Nov 28, 2006 12:13 pm
A basic question in HPLC by acquity » Sun Nov 26, 2006 6:38 pm	7	3187	Last post by HW Mueller Tue Nov 28, 2006 8:16 am
2m production column...packing issues by dixiedog72 » Mon Nov 13, 2006 2:26 pm	6	3456	Last post by Rande Tue Nov 28, 2006 1:34 am
Z-axis errors on Alliance 2695 by jbodaky » Tue Nov 14, 2006 4:17 pm	8	11299	Last post by bgiles Mon Nov 27, 2006 10:25 pm
RRF Determoination--Again by gbalock » Wed Nov 22, 2006 3:33 pm	1	2452	Last post by DR Mon Nov 27, 2006 8:43 pm
Log/Log vs quadratic for ELSD by domino1 » Mon Nov 20, 2006 6:43 pm	11	7162	Last post by domino1 Mon Nov 27, 2006 8:03 pm
Dionex Spectral Array Detector DSA-1 by gctenore » Fri Nov 24, 2006 1:49 pm	2	2633	Last post by Noser222 Sun Nov 26, 2006 10:44 pm
Is the van Deemter (Knox) equations applicable for gradients by Rob Burgess » Thu Nov 23, 2006 11:54 am	5	5725	Last post by tom jupille Sun Nov 26, 2006 8:17 pm
When you calculate Column Volume....... by Chach » Sat Nov 18, 2006 1:06 am	4	3823	Last post by tom jupille Sun Nov 26, 2006 7:59 pm
linearity test by vicentexxx » Mon Nov 20, 2006 11:03 am	1	2525	Last post by tom jupille Sun Nov 26, 2006 7:56 pm
Zoledronic acid by Alejandro » Sat Nov 25, 2006 10:08 am	3	3144	Last post by Bruce Hamilton Sat Nov 25, 2006 11:41 pm
Chromatography - the future by jtreacy » Tue Nov 07, 2006 1:09 pm	7	3333	Last post by danko Sat Nov 25, 2006 9:08 pm
Buy a HPLC by tonja79 » Wed Nov 15, 2006 12:55 pm	5	2947	Last post by rebeca Sat Nov 25, 2006 4:07 pm
Correction by Alejandro » Sat Nov 25, 2006 10:19 am	0	1826	Last post by Alejandro Sat Nov 25, 2006 10:19 am
Ion Chromatography by John » Wed Nov 22, 2006 4:15 pm	3	3169	Last post by John Sat Nov 25, 2006 3:11 am
lipophilic tocopherol ester analysis on HPLC by Provetech » Fri Nov 24, 2006 2:12 pm	0	1927	Last post by Provetech Fri Nov 24, 2006 2:12 pm
assay and RS working concentration by 4ugirish » Wed Nov 22, 2006 3:12 pm	1	2000	Last post by efirth Fri Nov 24, 2006 1:04 pm
pressure problem with HPLC by kupikupi » Mon Nov 20, 2006 12:07 pm	6	3189	Last post by diana Fri Nov 24, 2006 7:07 am
flow rate vs. signal by mags » Wed Nov 08, 2006 8:43 pm	43	12102	Last post by danko Thu Nov 23, 2006 4:47 pm

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