Liquid Chromatography

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11918 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62043	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Shimadzu Prominence instrument manuals by vickig » Thu May 28, 2020 9:15 pm	1	4192	Last post by Omer Hazim Sat May 30, 2020 10:00 pm
Conditions EMPAWER HPLC ( sample Set ) by hassaidfahed » Fri May 29, 2020 8:30 pm	0	3718	Last post by hassaidfahed Fri May 29, 2020 8:30 pm
HPLC -Beginner by than Btz » Fri May 29, 2020 9:49 am	1	3372	Last post by Multidimensional Fri May 29, 2020 4:26 pm
low recovery_protein_HPLC by zina » Thu May 28, 2020 7:09 am	0	3632	Last post by zina Thu May 28, 2020 7:09 am
HPLC filters by Nirdayan » Mon May 25, 2020 7:57 am	1	3477	Last post by DR Wed May 27, 2020 6:03 pm
No solvent coming out of waste line by coltsgirl8 » Mon May 18, 2020 3:11 pm	3	3750	Last post by sga Sat May 23, 2020 10:47 pm
Clearing a Shimadzu SIL-30 fatal error message by gizi » Mon May 18, 2020 7:53 am	3	7116	Last post by trozen Sat May 23, 2020 3:30 am
Display collected fractions on Shimadzu chromatogram by stanop » Fri May 15, 2020 5:10 pm	1	3672	Last post by lmh Wed May 20, 2020 3:07 pm
RSD failing HPLC by dee12345 » Tue May 19, 2020 8:49 pm	2	10355	Last post by Multidimensional Wed May 20, 2020 1:06 pm
High pressure help needed by Cardinal Fang » Tue May 19, 2020 10:22 am	5	4026	Last post by James_Ball Tue May 19, 2020 9:04 pm
Chitin-Melanin Complex by bizipee » Wed May 13, 2020 8:29 am	4	3694	Last post by bizipee Sun May 17, 2020 8:54 pm
error message ERR HPV HOME on autosampler SIL-30AC by gizi » Sat May 16, 2020 4:49 pm	0	4956	Last post by gizi Sat May 16, 2020 4:49 pm
Which ELSD detector is better? by iyanachk » Fri May 08, 2020 3:18 pm	5	4126	Last post by Vlad Orlovsky Thu May 14, 2020 12:52 pm
Calibration procedure, dedicated NP systems? by DR » Fri May 08, 2020 2:01 pm	3	3482	Last post by DR Thu May 14, 2020 12:00 pm
Konik and ecom HPLC brand by sofiane » Wed May 13, 2020 11:15 pm	0	4054	Last post by sofiane Wed May 13, 2020 11:15 pm
HPLC Agilent Maintenance by Paul_1002 » Mon May 11, 2020 2:33 am	9	6535	Last post by Multidimensional Mon May 11, 2020 4:20 pm
C18 column bleed at 100% organic? by yuki_weber » Thu Apr 30, 2020 10:12 pm	3	4403	Last post by yuki_weber Sat May 09, 2020 8:11 pm
Column Chromatography for THCA? by ThcaDiamonds » Fri May 08, 2020 1:15 am	1	3674	Last post by tom jupille Fri May 08, 2020 2:57 pm
Need help to choose a kit for amino acid analysis by NehaSarodaya » Fri Apr 24, 2020 2:44 am	6	5101	Last post by Vlad Orlovsky Fri May 08, 2020 2:21 pm
Fosfomycin LC method seeking by FanFan » Wed Apr 29, 2020 1:45 am	3	42357	Last post by Vlad Orlovsky Fri May 08, 2020 1:43 pm
feature extraction using xcalibur 2.2 by NPChem » Thu May 07, 2020 12:23 pm	0	3754	Last post by NPChem Thu May 07, 2020 12:23 pm
How to calculate concentration for swab cleaning analysis? by chemist23 » Mon Apr 27, 2020 6:32 am	7	4019	Last post by James_Ball Tue May 05, 2020 4:14 pm
Wanted: Recipe for Dionex Cleaning Solvent by Curty » Sun May 03, 2020 4:20 pm	2	3522	Last post by trozen Mon May 04, 2020 11:42 pm
ESTD ESTD% NORM% Agilent HPLC by Paul_1002 » Sun May 03, 2020 10:40 pm	8	5007	Last post by Paul_1002 Mon May 04, 2020 10:49 pm
Meprobamate and Carisoprodol Internal Standards by sa_natalie » Mon May 04, 2020 6:02 pm	0	3675	Last post by sa_natalie Mon May 04, 2020 6:02 pm
Thermo Vanquish by pwm » Thu Apr 23, 2020 4:27 pm	1	3374	Last post by trozen Sun May 03, 2020 5:26 am
Agilent HPLC pump adjustment by alcorn » Tue Apr 28, 2020 7:24 pm	2	3014	Last post by alcorn Thu Apr 30, 2020 7:54 am
Waters Alliance 2695 no pressure and no pumping Help??? by MSavet » Tue Apr 28, 2020 3:34 pm	1	4172	Last post by Hollow Tue Apr 28, 2020 9:23 pm
Perfectly Consistent baseline dips in PDA of Waters H-Class by MissRedHead19 » Mon Apr 27, 2020 8:54 pm	1	3089	Last post by Multidimensional Tue Apr 28, 2020 1:05 pm
Purge valves springing leaks by rycar » Mon Apr 20, 2020 8:47 pm	5	4502	Last post by Multidimensional Mon Apr 27, 2020 1:25 pm
gradient optimization by mariia.maak » Mon Jan 06, 2020 9:19 am	7	4838	Last post by Multidimensional Sun Apr 26, 2020 11:26 pm
Broad elution until the end of the chromatograph - HPLC by SukiBro » Fri Apr 17, 2020 2:31 am	4	3262	Last post by JI2002 Fri Apr 24, 2020 2:08 am
how to check linearity of knauer uv dector 40D....? by mohit91 » Wed Apr 22, 2020 11:43 am	1	3075	Last post by tom jupille Thu Apr 23, 2020 9:47 pm
Issues with LC-UV spectra Chromeleon by kate_m » Tue Apr 14, 2020 9:16 am	1	3324	Last post by pwm Thu Apr 23, 2020 5:08 pm
Baseline drop in HPLC between injections by iribe90 » Fri Apr 10, 2020 6:41 pm	3	3333	Last post by pwm Thu Apr 23, 2020 5:00 pm
Temperature and baseline with calibration problem by LabProARW » Tue Apr 21, 2020 6:00 pm	2	3172	Last post by pwm Thu Apr 23, 2020 4:25 pm
LOD LOQ by Excel by jiten.cu » Mon Jun 17, 2013 3:27 pm	3	13082	Last post by Jane Raphel Wed Apr 22, 2020 4:10 pm
Glyphosate is not reproducible by PaulaL » Wed Mar 13, 2019 4:07 pm	16	9189	Last post by Indumini Sat Apr 18, 2020 3:21 am
Retention time delay in a C18 column by Barbara_crom » Thu Apr 16, 2020 4:24 am	3	4283	Last post by uzman Thu Apr 16, 2020 6:43 pm
Data Export from HPLC by mahnaz.kargar » Thu Apr 09, 2020 12:26 am	2	4028	Last post by HPLCaddict Sat Apr 11, 2020 10:23 am
Zolpidem Assay? by jananisoundarya » Mon Jun 23, 2008 2:00 am	5	4540	Last post by Jeanette1977 Tue Apr 07, 2020 10:29 am
Thermo Surveyor PDA not going into ready state by 4g63t » Sat Apr 04, 2020 6:56 pm	0	3755	Last post by 4g63t Sat Apr 04, 2020 6:56 pm
C18 column after run Mobile phase contain Edetate, TBAHS by vannguyen » Fri Apr 03, 2020 1:29 am	12	51554	Last post by harsel Thu Jun 27, 2024 8:08 pm
UPLC baseline drift by Willem_V » Tue Mar 10, 2020 2:42 pm	2	3792	Last post by Willem_V Sat Apr 04, 2020 8:28 am
Irregularities and huge drifts by alireza.shirkhany » Sat Mar 07, 2020 1:11 pm	1	3231	Last post by cksoni Sat Apr 04, 2020 8:04 am
Are the connectors between HP 1100 modules just RJ45 cables? by osp001 » Fri Mar 06, 2020 5:29 pm	2	3447	Last post by osp001 Fri Apr 03, 2020 11:03 pm
DIY Chromatograph by marcusviniciusufsj » Thu Apr 02, 2020 1:19 am	1	3726	Last post by janoshik Thu Apr 02, 2020 10:24 am
Is Minion89 a hack of this forum? by Andy Alpert » Tue Mar 31, 2020 1:37 pm	2	3558	Last post by Andy Alpert Wed Apr 01, 2020 8:47 pm
Ultimate 3000 Autosampler issues by JFinnigan » Mon Mar 30, 2020 4:04 pm	0	4246	Last post by JFinnigan Mon Mar 30, 2020 4:04 pm
HPLC method for Lubiprostone by gjoshi773 » Fri Oct 07, 2011 12:07 pm	17	9474	Last post by voradeepal30 Thu Mar 26, 2020 10:02 pm

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