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
Re: Cation exchange column- fronting of cation peak by CQ_32 » Mon Apr 14, 2008 8:00 pm	8	2640	Last post by rhaefe Wed Apr 16, 2008 6:39 pm
Experience with the Corona CAD by resolve » Mon Apr 14, 2008 8:30 pm	1	1704	Last post by doddlebop Tue Apr 15, 2008 3:59 pm
waters 717 autosampler and EZCROM by mich » Tue Apr 15, 2008 2:38 pm	0	1687	Last post by mich Tue Apr 15, 2008 2:38 pm
HPLC solvent miscibility- EthOAc in water!! by Nish » Mon Apr 14, 2008 3:02 pm	3	5686	Last post by tom jupille Tue Apr 15, 2008 2:51 am
Baseline problems -Acquity (Concave and Convex) by Rob Burgess » Mon Mar 31, 2008 3:30 pm	23	5535	Last post by danko Mon Apr 14, 2008 9:32 pm
Analysis of drug(Glimepiride) in plasma sample by prashant.pqa » Mon Apr 14, 2008 6:42 am	0	1623	Last post by prashant.pqa Mon Apr 14, 2008 6:42 am
solid phase extraction of peptide by NANOZONE » Sun Apr 13, 2008 5:19 am	5	2897	Last post by Uwe Neue Mon Apr 14, 2008 2:27 am
Interferance from plasma at RT of analyte by prashant.pqa » Fri Apr 11, 2008 5:39 pm	3	2006	Last post by SIELC_Tech Sun Apr 13, 2008 4:02 am
column problems by e3lyn » Sat Apr 12, 2008 11:04 am	4	2241	Last post by e3lyn Sun Apr 13, 2008 3:58 am
Residual Solvents Acetic Acid by HILIC? by sdegrace » Sat Apr 05, 2008 3:29 pm	11	5348	Last post by HW Mueller Sat Apr 12, 2008 9:05 am
Air Extraction for HPLC or TLC by naili » Sun Apr 06, 2008 2:14 pm	4	3112	Last post by naili Fri Apr 11, 2008 7:21 pm
Sedex v Agilent ELSD by mojo » Tue Apr 08, 2008 6:01 pm	8	4586	Last post by tek Fri Apr 11, 2008 4:17 pm
Interferance from plasma at RT of analyte by prashant.pqa » Wed Apr 09, 2008 1:49 pm	13	3226	Last post by prashant.pqa Fri Apr 11, 2008 8:20 am
Inconsistent absorbance of reference wavelength by Olivine » Thu Apr 10, 2008 2:46 am	1	1768	Last post by tom jupille Fri Apr 11, 2008 2:35 am
RI detector by ebasarah » Thu Apr 10, 2008 9:28 pm	3	1742	Last post by Consumer Products Guy Fri Apr 11, 2008 12:31 am
Ghost peaks in gradient blank by Ajay Goyal » Sun Mar 30, 2008 2:49 pm	6	3021	Last post by ebasarah Thu Apr 10, 2008 9:34 pm
CuEDTA chelate..pKa value?can i use pHrange 4-2 fr anionxchg by alicee! » Thu Apr 10, 2008 3:01 pm	2	1987	Last post by Bryan Evans Thu Apr 10, 2008 5:10 pm
Nitric acid eluent conversion to acetic acid by H2Oh » Thu Apr 10, 2008 3:21 pm	0	1895	Last post by H2Oh Thu Apr 10, 2008 3:21 pm
calculation LOD and LOQ by mk12 » Fri Apr 04, 2008 9:05 pm	3	6081	Last post by JGK Thu Apr 10, 2008 12:09 pm
SEC column lifetime by rick1112 » Sat Mar 29, 2008 5:13 am	8	2710	Last post by rick1112 Thu Apr 10, 2008 9:08 am
Help! Double peak ionic pair by crlar » Fri Mar 28, 2008 10:11 am	3	2060	Last post by crlar Wed Apr 09, 2008 8:14 pm
Agilent 1100 pump problem by randy » Tue Apr 08, 2008 9:46 pm	5	4845	Last post by randy Wed Apr 09, 2008 3:40 pm
equipment recommendations please by momo » Sun Mar 30, 2008 5:40 am	6	2762	Last post by gavinolm Wed Apr 09, 2008 3:46 am
amino column by DTM » Sat Apr 05, 2008 11:25 pm	10	2930	Last post by DTM Wed Apr 09, 2008 1:48 am
I am new to HPLC... Pl. help me!!! by sechau1 » Tue Apr 08, 2008 10:06 pm	1	1577	Last post by Uwe Neue Wed Apr 09, 2008 12:49 am
Decreasing Retention Time by syx » Tue Mar 18, 2008 8:25 am	10	3105	Last post by syx Tue Apr 08, 2008 4:18 am
Selection between RP, HILIC or Ion chromatogrphy--Flash LC by jawad » Fri Apr 04, 2008 12:30 am	2	1967	Last post by jawad Tue Apr 08, 2008 1:36 am
UPLC by gooshi81 » Sun Apr 06, 2008 4:54 pm	4	2105	Last post by gooshi81 Mon Apr 07, 2008 5:13 pm
pharmacopeia monograph for fluorescence by foren » Mon Apr 07, 2008 4:48 pm	0	1569	Last post by foren Mon Apr 07, 2008 4:48 pm
Carry Over Peak Help Suggestions needed by jwolff » Fri Apr 04, 2008 4:08 pm	10	2679	Last post by jwolff Mon Apr 07, 2008 4:02 pm
Solution stability by mojo » Sun Apr 06, 2008 5:43 pm	2	1762	Last post by JGK Mon Apr 07, 2008 1:06 pm
aminoglycoside antibiotic.. rp-isocratic lc.. no retention? by alicee! » Sat Apr 05, 2008 4:20 pm	10	3030	Last post by Uwe Neue Sun Apr 06, 2008 6:01 pm
anion exchange method for cu-edta chelate? by alicee! » Sun Apr 06, 2008 11:50 am	3	1978	Last post by SIELC_Tech Sun Apr 06, 2008 4:15 pm
HPLC Ghost peak by Consumer Products Guy » Sat Apr 05, 2008 8:12 am	5	4313	Last post by HW Mueller Sun Apr 06, 2008 8:31 am
UPLC conversion by chandusabini » Sat Apr 05, 2008 8:00 am	1	1894	Last post by tom jupille Sat Apr 05, 2008 10:30 pm
how to remove residual TBAH - ion-pair agent from column..? by alicee! » Sat Apr 05, 2008 4:24 pm	1	2008	Last post by tom jupille Sat Apr 05, 2008 10:21 pm
Buclizine HCl and RP-HPLC/UV by demi_lune » Fri Feb 15, 2008 10:50 pm	2	2449	Last post by Academic Sat Apr 05, 2008 10:39 am
Sensitivity of a UV coupled to an HPLC by aparna » Fri Mar 07, 2008 12:46 am	13	5197	Last post by HW Mueller Sat Apr 05, 2008 9:01 am
which or where would be the first filter after solvents? by coquim » Wed Apr 02, 2008 7:07 pm	6	2874	Last post by Bruce Hamilton Fri Apr 04, 2008 5:59 pm
Monitoring column performance by mojo » Fri Apr 04, 2008 11:09 am	1	1656	Last post by danko Fri Apr 04, 2008 12:15 pm
Area vs. Height by Stryder08 » Wed Apr 02, 2008 1:53 am	7	7816	Last post by HW Mueller Fri Apr 04, 2008 9:21 am
gaurd column binding.. rp-hplc by alicee! » Thu Apr 03, 2008 4:44 pm	1	1743	Last post by tom jupille Fri Apr 04, 2008 12:06 am
isocratic rp lc.. binding? by alicee! » Thu Apr 03, 2008 4:37 pm	1	1482	Last post by tom jupille Fri Apr 04, 2008 12:00 am
reversephase hplc of proteins..mechanism of binding/elution by alicee! » Thu Apr 03, 2008 1:36 pm	1	1668	Last post by tom jupille Thu Apr 03, 2008 11:57 pm
GPC with Viscotek "I" series columns.. by IC_Gal » Thu Apr 03, 2008 7:53 pm	0	1404	Last post by IC_Gal Thu Apr 03, 2008 7:53 pm
Re:Need to identify peaks for organic acids in glycol sample by IC_Gal » Mon Feb 18, 2008 7:13 pm	7	2362	Last post by IC_Gal Thu Apr 03, 2008 7:49 pm
protein deamidation.. glutamine specific protocols? by alicee! » Wed Apr 02, 2008 1:24 pm	4	2378	Last post by danko Thu Apr 03, 2008 2:41 pm
Any HILIC method development FAQs? by peptidemetdev » Sat Mar 29, 2008 2:44 am	4	2650	Last post by jawad Thu Apr 03, 2008 9:29 am
Varian ProStar, Gallaxie & Hitachi's L2480 Fluores. dete by tapira1 » Wed Apr 02, 2008 12:10 am	0	1647	Last post by tapira1 Wed Apr 02, 2008 12:10 am
agilent waters merger by mardexis » Tue Apr 01, 2008 5:21 pm	3	2122	Last post by Uwe Neue Tue Apr 01, 2008 11:14 pm

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