Liquid Chromatography

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Ion Chromatography Discussions about IC and related topics Topics: 399	399	1499	Last post Unick promo Çûpañ çødë{$40 of… by Manmohan Sun Oct 26, 2025 2:01 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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11927 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62096	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Extraction of stearic/palmatic acid by Mattias » Thu Nov 17, 2005 1:29 pm	8	3774	Last post by Mattias Mon Nov 21, 2005 2:09 pm
Plate count by rc_12321 » Mon Nov 14, 2005 12:51 pm	3	2539	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	3103	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	3983	Last post by Waleed Fri Nov 18, 2005 6:16 pm
Phospholipids using ELSD by Robotjock » Sat Nov 05, 2005 4:40 pm	21	7943	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	2852	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	4484	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	2608	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	16086	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	4050	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	2672	Last post by Mark Tracy Wed Nov 16, 2005 7:26 pm
HPLC Technique for seperating derivatives of Cholic acid ? by vanjas » Wed Nov 16, 2005 4:50 am	4	3093	Last post by Mark Tracy Wed Nov 16, 2005 7:16 pm
Early Eluting Peak by Apple_insci » Fri Nov 04, 2005 9:25 pm	13	4845	Last post by gtma Wed Nov 16, 2005 1:51 pm
Abnormal Retention time shifht-Can you help? by Roy » Fri Nov 11, 2005 3:27 pm	10	3827	Last post by yaoguocan Wed Nov 16, 2005 1:56 am
Stress conditions in pharmaceutical products by Tequila » Wed Nov 09, 2005 10:13 am	10	4758	Last post by yaoguocan Wed Nov 16, 2005 1:33 am
Oligonucleotide Separation by andy » Thu Nov 03, 2005 8:32 pm	9	4130	Last post by andy Tue Nov 15, 2005 9:23 pm
how to purify this peptide? by moon704520 » Tue Nov 15, 2005 12:45 am	1	2187	Last post by Uwe Neue Tue Nov 15, 2005 3:39 am
Baseline Problems by kingm3 » Mon Nov 14, 2005 10:15 am	1	2418	Last post by HW Mueller Mon Nov 14, 2005 2:18 pm
Use of Check Standards by Legarm » Fri Nov 04, 2005 3:24 pm	9	6623	Last post by Legarm Mon Nov 14, 2005 12:26 pm
Glyburide LOQ Determination by Adelaida M. Molinar » Mon Nov 14, 2005 1:56 am	0	2215	Last post by Adelaida M. Molinar Mon Nov 14, 2005 1:56 am
Assay and impurities in the same injection by dcobice » Thu Nov 10, 2005 8:46 pm	3	2556	Last post by tom jupille Sun Nov 13, 2005 11:37 pm
High performance UV detectors? by mbreslav » Fri Nov 11, 2005 9:19 pm	3	2517	Last post by tom jupille Sat Nov 12, 2005 3:43 am
Capillary electrophoresis by kkovats » Thu Nov 10, 2005 12:31 pm	4	2910	Last post by kkovats Fri Nov 11, 2005 11:03 am
How do you separate tocotrienols Reverse Phase HPLC??? by dan42 » Thu Nov 10, 2005 9:50 am	3	2485	Last post by james little Fri Nov 11, 2005 1:02 am
Meth. Dev. Query / Problem - DryLab Accuracy by Rob Burgess » Tue Nov 08, 2005 4:57 pm	6	2938	Last post by tom jupille Thu Nov 10, 2005 7:13 pm
vitamin analysis by mauricio » Thu Nov 10, 2005 11:46 am	1	2475	Last post by Mark Tracy Thu Nov 10, 2005 6:34 pm
Cholesterol in Eggs by Ann Lucas » Tue Nov 08, 2005 3:04 pm	5	2888	Last post by Victor Thu Nov 10, 2005 1:14 pm
what is a good way to separate weakly absorbing compounds? by dym » Thu Nov 10, 2005 3:34 am	3	2510	Last post by tom jupille Thu Nov 10, 2005 7:52 am
Cal. check after repair/replacementComponent or whole thing? by DR » Wed Nov 09, 2005 3:17 pm	3	2613	Last post by tom jupille Thu Nov 10, 2005 7:43 am
Ion Pairing by JA » Wed Nov 02, 2005 1:37 pm	18	6045	Last post by Chris Pohl Thu Nov 10, 2005 6:39 am
Anion exchange column needed by sball » Tue Nov 08, 2005 10:50 am	3	2591	Last post by sball Wed Nov 09, 2005 9:05 am
Decreased in retention time by maria » Fri Oct 28, 2005 10:08 am	9	3481	Last post by widanarti Wed Nov 09, 2005 6:39 am
ODS-BP by Cliff Mitchell » Tue Nov 08, 2005 8:54 pm	1	3557	Last post by tom jupille Wed Nov 09, 2005 2:23 am
Sep Pak vitamin D by bob » Sat Nov 05, 2005 4:12 am	4	3018	Last post by Uwe Neue Mon Nov 07, 2005 9:57 pm
SOPs by Consumer Products Guy » Mon Nov 07, 2005 3:06 pm	2	2538	Last post by DR Mon Nov 07, 2005 5:32 pm
SLS CONTENT by Anuradha » Sat Nov 05, 2005 11:06 am	4	2808	Last post by Anuradha Mon Nov 07, 2005 4:58 pm
0.1 M TEAA Growth by DeadlyTedly » Thu Nov 03, 2005 5:50 pm	8	3443	Last post by DeadlyTedly Mon Nov 07, 2005 4:55 pm
Sodium Ibandronate (2) by zompa » Sat Oct 08, 2005 10:28 pm	11	7294	Last post by zompa Sun Nov 06, 2005 2:37 pm
ferrous fumarate by jcstrides » Tue Nov 01, 2005 9:46 pm	1	3220	Last post by tom jupille Sun Nov 06, 2005 4:52 am
data chromatography by lotussss » Fri Nov 04, 2005 6:59 pm	4	3265	Last post by Uwe Neue Sat Nov 05, 2005 9:53 pm
Polar Retention by syx » Mon Oct 17, 2005 1:05 am	11	6568	Last post by jitender Sat Nov 05, 2005 6:54 pm
Monolithic Columns by tk520 » Fri Nov 04, 2005 6:07 pm	1	3394	Last post by tom jupille Fri Nov 04, 2005 6:38 pm
Weighting in Quantitation in LCMS by james little » Thu Nov 03, 2005 12:15 am	6	8866	Last post by adam Fri Nov 04, 2005 5:46 pm
ginkgo - chromatographic separtions by vestelshirley » Fri Nov 04, 2005 5:06 pm	0	2730	Last post by vestelshirley Fri Nov 04, 2005 5:06 pm
upgrading Rainin autosampler by folive » Fri Nov 04, 2005 3:17 pm	1	2532	Last post by Chris0000 Fri Nov 04, 2005 4:59 pm
HPLC Silica column problems by rekuci » Mon Oct 31, 2005 2:51 pm	18	6469	Last post by Kostas Petritis Fri Nov 04, 2005 4:55 pm
Help: Spherisorb silica column problem by gappiedu » Thu Nov 03, 2005 8:34 am	3	2817	Last post by HW Mueller Fri Nov 04, 2005 8:00 am
Relative Response Factors by michaelcarolus » Fri Oct 28, 2005 5:58 am	5	7626	Last post by michaelcarolus Fri Nov 04, 2005 7:46 am
Ammonium Bicarbonate Buffer by AMR » Fri Nov 04, 2005 12:51 am	4	4820	Last post by HW Mueller Fri Nov 04, 2005 7:19 am
Determination of N-Methyl-2-pyrrolidone, NMP by juju » Thu Oct 20, 2005 10:58 am	5	5525	Last post by Bill Tindall Fri Nov 04, 2005 12:47 am

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