Liquid Chromatography

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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
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11908 topics

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Welcome! by tom jupille » Thu Mar 11, 2021 6:23 pm	0	62149	Last post by tom jupille Thu Mar 11, 2021 6:23 pm

Topics	Replies	Views	Last post
Shorten the runtime of an isocratic run by increasing flow by vivian.lwan968 » Thu Dec 17, 2015 3:32 am	2	3067	Last post by Consumer Products Guy Thu Dec 17, 2015 3:25 pm
Waters Acquity Injection issue (over injection) by bashleigh » Mon Apr 06, 2015 1:47 pm	3	6102	Last post by richiekichi Thu Dec 17, 2015 12:43 am
Tubing ferrule for RI detector Shimadzu RID-10A by clasperj » Wed Dec 16, 2015 12:56 am	3	3200	Last post by clasperj Wed Dec 16, 2015 5:27 pm
Strange peak at 0.3minute by Vario » Sun Dec 13, 2015 3:35 pm	1	2791	Last post by lmh Wed Dec 16, 2015 11:34 am
No Reproducable RESULTS by khalidniazkhan » Mon Dec 14, 2015 6:51 am	1	2938	Last post by tom jupille Mon Dec 14, 2015 7:07 am
retention shift after changing column by deerlu » Fri Dec 11, 2015 3:31 am	6	4659	Last post by deerlu Mon Dec 14, 2015 1:07 am
Recommendation on a "cheap" HPLC-system by stmst » Sat Nov 28, 2015 11:34 pm	5	4905	Last post by Alfred88 Sat Dec 12, 2015 3:01 am
HPLC Shimadzu connection problem by Peter Onder » Wed Dec 09, 2015 8:21 pm	2	3910	Last post by Alfred88 Sat Dec 12, 2015 2:49 am
Continously Decreasing Retention Times from Run to Run by Hampow » Thu Oct 29, 2015 7:35 pm	20	7626	Last post by Hampow Fri Dec 11, 2015 7:26 pm
Lamp operation - ProStar 335 by Monty_Python » Tue Dec 08, 2015 9:10 am	1	2926	Last post by DoryFish Fri Dec 11, 2015 12:34 am
Late negative peaks found by using HPLC with RI detector by sisay » Thu Jan 22, 2015 8:45 am	8	12859	Last post by sisay Thu Dec 10, 2015 3:17 pm
Replacement Pump for Agilent 1322a degasser by crsimons » Fri Dec 04, 2015 9:40 pm	3	3632	Last post by crsimons Mon Dec 07, 2015 8:28 pm
Akta purifier squeaking noise from pumps by Alex Wirtz » Tue Nov 24, 2015 3:00 pm	3	4917	Last post by uzman Fri Dec 04, 2015 7:26 pm
Stupid Question about Degasser by crsimons » Mon Nov 30, 2015 10:57 pm	13	5350	Last post by ATAlR Thu Dec 03, 2015 2:09 pm
Care for pumps running high conc buffers by HPLC_chainik » Fri Nov 20, 2015 7:29 pm	8	4267	Last post by HPLC_chainik Thu Dec 03, 2015 3:02 am
Deuterium lamps by qfiviera » Wed Dec 02, 2015 4:20 pm	1	2669	Last post by ATAlR Wed Dec 02, 2015 8:33 pm
Micropumps by BSUBronco17 » Mon Nov 30, 2015 6:04 pm	3	7632	Last post by M Farooq Wed Dec 02, 2015 12:36 am
Hexetidine related compounds method by mondyac » Thu Nov 26, 2015 3:20 pm	3	3435	Last post by mattmullaney Mon Nov 30, 2015 6:14 pm
negative intercept with my calibration curve by oceanist » Wed Nov 25, 2015 1:46 am	3	4115	Last post by Peter Apps Fri Nov 27, 2015 8:03 pm
Which HPLC model? by Daniela_Ela » Wed Nov 25, 2015 9:29 am	6	3564	Last post by Khanom Fri Nov 27, 2015 1:54 pm
DPPC ELSD method by OmniOne » Mon Nov 23, 2015 4:16 pm	1	2753	Last post by Kreall Thu Nov 26, 2015 3:05 pm
PEEK tubing by qfiviera » Wed Nov 25, 2015 3:22 pm	1	3198	Last post by Gerhard Kratz Thu Nov 26, 2015 8:52 am
Acetylcysteine USP methods by MestizoJoe » Tue Nov 17, 2015 8:40 pm	2	3397	Last post by Kreall Thu Nov 26, 2015 7:21 am
Unknown peak.... by SciMania » Sat Nov 07, 2015 12:23 pm	6	3359	Last post by SciMania Wed Nov 25, 2015 1:39 pm
Unknown peak causing decreased analyte response by AVgt » Thu Nov 19, 2015 8:15 pm	5	3259	Last post by tom jupille Wed Nov 25, 2015 12:32 am
Which HPLC by revengecry » Mon Nov 23, 2015 2:54 pm	4	3129	Last post by elsico Tue Nov 24, 2015 7:28 pm
Tools.mac not working anymore on Chemstation C.01.06 by Matadormac » Tue Nov 24, 2015 4:45 pm	0	5214	Last post by Matadormac Tue Nov 24, 2015 4:45 pm
Desloratadine BP 2015 problem by qfiviera » Fri Nov 20, 2015 3:36 pm	5	3369	Last post by Blazer Mon Nov 23, 2015 3:24 pm
Help with unusual baseline jump during LC gradient runs by lban » Sun Nov 22, 2015 4:12 am	1	2519	Last post by Gerhard Kratz Sun Nov 22, 2015 9:05 am
SIL-HTA(C) manual by HPLC_chainik » Fri Nov 20, 2015 7:36 pm	1	2296	Last post by M Farooq Sat Nov 21, 2015 8:55 pm
General Info on Knauer HPLCs? by mattmullaney » Fri Oct 16, 2015 7:10 pm	2	3193	Last post by HPLC_chainik Fri Nov 20, 2015 7:07 pm
Compare Retention time Standard vs Sample by ndtrung0807 » Fri Nov 20, 2015 2:49 pm	0	6079	Last post by ndtrung0807 Fri Nov 20, 2015 2:49 pm
Dionex ASI 100 leaks after syringe exchange by bunnahabhain » Wed Nov 04, 2015 4:27 pm	6	3717	Last post by bunnahabhain Tue Nov 17, 2015 2:29 pm
AKTA explorer pH problems by lindsey814 » Tue Nov 03, 2015 10:44 pm	3	3308	Last post by bunnahabhain Tue Nov 17, 2015 9:09 am
Chiral Separation of phenethylamines by J_VPFSC » Tue Nov 17, 2015 4:12 am	1	2668	Last post by M Farooq Tue Nov 17, 2015 4:31 am
PEEK column. by IsaacFre92 » Tue Oct 06, 2015 9:53 pm	4	3539	Last post by M Farooq Tue Nov 17, 2015 4:28 am
LC vials by bdhedhy19 » Sun Oct 18, 2015 7:26 pm	10	7933	Last post by sisay Mon Nov 16, 2015 9:54 am
Degassing of mobile phase by Bjorn » Tue Nov 10, 2015 2:34 pm	16	12017	Last post by Bjorn Fri Nov 13, 2015 3:18 pm
S/N ratio in Shimadzu LabSolutions? by velociraptor » Fri Nov 13, 2015 12:56 am	0	6782	Last post by velociraptor Fri Nov 13, 2015 12:56 am
BKC C-16 peak issues by lxBATESxl » Wed Nov 11, 2015 9:08 pm	5	3239	Last post by bunnahabhain Thu Nov 12, 2015 4:19 pm
Method validation - Between Accuracy and Precision by smartin » Mon Nov 09, 2015 3:00 pm	3	4268	Last post by Alfred88 Thu Nov 12, 2015 5:09 am
I need an Agilent/HP G1362A Refractive Index Detector by AIM » Tue Oct 27, 2015 9:31 pm	1	2819	Last post by Alfred88 Thu Nov 12, 2015 3:39 am
heparin and LMWH problem by Austin » Wed Nov 04, 2015 3:26 pm	1	2730	Last post by Alfred88 Thu Nov 12, 2015 3:31 am
Plunger seal vs. Rinse seal by sepr8tr » Wed Oct 28, 2015 3:34 pm	2	2985	Last post by Alfred88 Thu Nov 12, 2015 3:23 am
peak broadening of a sulfoxide by Toms » Wed Nov 11, 2015 2:58 pm	0	5070	Last post by Toms Wed Nov 11, 2015 2:58 pm
Calculation of LOD when there is caryover in the blanks by csousa » Wed Nov 11, 2015 12:03 pm	1	2847	Last post by Peter Apps Wed Nov 11, 2015 12:23 pm
Forced degradation acc. to new Brazilian requirements by Mattias » Mon Nov 09, 2015 11:56 am	5	4999	Last post by Fernando Wed Nov 11, 2015 10:37 am
UV absorbance maximum is wrong by xsialicacidx » Mon Nov 09, 2015 9:39 pm	4	3872	Last post by Hollow Tue Nov 10, 2015 12:02 pm
Reduced Std peak area when artifact peak observed. by Robotjock » Mon Nov 09, 2015 3:17 pm	0	5370	Last post by Robotjock Mon Nov 09, 2015 3:17 pm
Trouble separating Lipids by kanryu » Wed Oct 21, 2015 1:01 pm	7	3713	Last post by SciMania Sat Nov 07, 2015 2:09 am

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