LC-MS, GC-MS, and other - Page 88 - Chromatography Forum

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Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	120949	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
negative peak before the analyte peak by Maristela » Thu Dec 04, 2008 6:39 pm	4	3624	Last post by lmh Mon Dec 08, 2008 10:28 am
Need advice..GC-MS vs. LC-MS for confirmation of DAU by cem » Thu Dec 04, 2008 7:56 am	6	5142	Last post by cem Sun Dec 07, 2008 10:20 pm
evalutation of LC-MS systems: features and drawbacks by Alberto1978 » Fri Dec 05, 2008 11:12 pm	0	2580	Last post by Alberto1978 Fri Dec 05, 2008 11:12 pm
How about basic buffers in positive mode? by Anna01 » Mon Dec 01, 2008 10:50 pm	2	2761	Last post by Uwe Neue Fri Dec 05, 2008 2:59 pm
Retention time shifts in 1200 Agilent HPLC by Ken » Mon Sep 29, 2008 1:14 pm	6	7324	Last post by ym3142 Fri Dec 05, 2008 2:48 pm
Earliest Retention time by Emiedoo » Thu Dec 04, 2008 10:48 pm	1	2436	Last post by Stryder08 Fri Dec 05, 2008 12:57 am
Bad column bleed out of nowhere... by syfir » Tue Dec 02, 2008 9:49 pm	2	2647	Last post by syfir Thu Dec 04, 2008 6:46 pm
Tune problem on 5973N by Rick » Tue Dec 02, 2008 10:04 pm	3	2629	Last post by astroguille Wed Dec 03, 2008 5:21 pm
QuECHERS and EDC....is good pair... by JOCAPEN » Wed Nov 26, 2008 11:13 pm	3	2607	Last post by sassman Tue Dec 02, 2008 9:52 pm
background MS by ym3142 » Fri Nov 21, 2008 11:04 pm	5	3171	Last post by ym3142 Mon Dec 01, 2008 2:08 pm
Recovery of IS in online SPE by Anna01 » Wed Nov 26, 2008 10:49 pm	1	2491	Last post by Uwe Neue Fri Nov 28, 2008 2:08 am
LC-MS/MS system for organometallic compounds by tswapna » Fri Nov 21, 2008 5:40 am	3	3895	Last post by jerole Mon Nov 24, 2008 3:55 pm
Which GC MS/MS to choose from Thermo/Varian ? Kindly suggest by siku23mishra » Thu Sep 18, 2008 3:43 pm	4	3922	Last post by richa_malhotra Mon Nov 24, 2008 8:46 am
mysterious compound; can M+28 or M+29 make sense? by Aurelien » Fri Oct 31, 2008 4:53 pm	4	8253	Last post by lmh Fri Nov 21, 2008 4:32 pm
Advantages of curved collision cell by tswapna » Fri Oct 17, 2008 4:50 am	32	18134	Last post by sindhu Fri Nov 21, 2008 3:58 am
advice me...planning to buy LC-MS by che313 » Tue Nov 11, 2008 1:13 pm	15	6617	Last post by Bryan Evans Thu Nov 20, 2008 8:02 pm
Increasing response factor trend in calibration curve by shan820 » Thu Nov 20, 2008 6:09 pm	0	2931	Last post by shan820 Thu Nov 20, 2008 6:09 pm
LC/MS/MS...which of them is better? by che313 » Sat Nov 15, 2008 11:23 pm	3	3236	Last post by sindhu Thu Nov 20, 2008 2:13 pm
Aglient M/S Scan Speed by isuphysics » Wed Nov 19, 2008 2:57 am	2	2926	Last post by sindhu Thu Nov 20, 2008 2:06 pm
Quantifier/qualifier ions transition by jbshan » Thu Nov 20, 2008 6:37 am	0	6898	Last post by jbshan Thu Nov 20, 2008 6:37 am
Zero calibrator, force-through-zero or.... by Anna01 » Wed Nov 05, 2008 10:35 pm	13	6683	Last post by Peter Apps Mon Nov 17, 2008 3:12 pm
Gerstel MPS2/ CTC Analytics PAL Errors by beersnob » Mon Nov 17, 2008 2:29 pm	0	3129	Last post by beersnob Mon Nov 17, 2008 2:29 pm
sensitivity of Agilent MSD vs. Varian Saturn in MS/MS by djletin » Wed Nov 12, 2008 1:19 pm	2	3056	Last post by AICMM Sat Nov 15, 2008 9:27 pm
Thermo TSQ from a Sciex-users vantagepoint by ublokr » Tue Nov 11, 2008 3:20 am	4	4103	Last post by MaryCarson Fri Nov 14, 2008 4:24 pm
Profile or centroid?? by Beaker » Thu Nov 13, 2008 3:33 pm	1	7243	Last post by MaryCarson Thu Nov 13, 2008 10:17 pm
is lc/ms output data normally in proprietary format? by matthew » Mon Oct 13, 2008 7:01 pm	5	4154	Last post by Kostas Petritis Thu Nov 13, 2008 6:06 pm
A very strange baselines of QQQ by haiedc » Wed Nov 12, 2008 12:42 am	3	2763	Last post by haiedc Thu Nov 13, 2008 12:57 am
Hi vacuum of Triple Quad 6400 fluctuates by haiedc » Mon Nov 03, 2008 7:04 am	7	3611	Last post by sassman Wed Nov 12, 2008 9:38 pm
Nitrogen Evaporator by alvin » Thu Nov 06, 2008 6:51 pm	6	4093	Last post by matthew Wed Nov 12, 2008 5:00 pm
Hydraulic Oil analysis by kst1 » Fri Nov 07, 2008 11:51 pm	2	3537	Last post by larkl Tue Nov 11, 2008 3:34 pm
Selecting a triple quad LC/MS system by vishal_aes » Fri Aug 29, 2008 12:41 pm	26	11354	Last post by CE Instruments Mon Nov 10, 2008 10:59 am
Noise reduction boxes for primary vacuum pump by Steph5217 » Fri Nov 07, 2008 12:19 pm	1	3492	Last post by CE Instruments Mon Nov 10, 2008 10:52 am
What about the API 5500 ? by Steph5217 » Thu Nov 06, 2008 12:54 am	2	3004	Last post by Ken Thu Nov 06, 2008 2:26 pm
inorganic mass spec by tilly » Thu Jun 19, 2008 8:31 pm	6	3631	Last post by Patrik Appelblad Wed Nov 05, 2008 9:30 am
Derivatistion of organotins by tangaloomaflyer » Wed Sep 24, 2008 11:44 am	2	2826	Last post by jerole Tue Nov 04, 2008 8:23 pm
Lingering 'memory effect' in HILIC column by Ken » Sun Oct 26, 2008 1:38 pm	23	9460	Last post by yangz00g Tue Nov 04, 2008 2:13 pm
quantitation capability of Ion-trap versus Triple Q by jameslizh » Thu May 29, 2008 3:53 pm	4	3532	Last post by sassman Mon Nov 03, 2008 9:28 pm
MSD 5975 autotune problem by alvin » Sun Nov 02, 2008 8:51 am	3	3482	Last post by alvin Mon Nov 03, 2008 4:04 pm
LC-MS trouble shooting by ntbhat » Mon Jul 28, 2008 2:59 pm	3	3286	Last post by sindhu Mon Nov 03, 2008 1:25 pm
Low sensitivy of QQQ by haiedc » Thu Sep 25, 2008 2:27 am	2	2875	Last post by sindhu Mon Nov 03, 2008 1:19 pm
MS/MS instruments with DEP/DCI sample introduction by jusuom » Fri Aug 08, 2008 7:29 am	2	3091	Last post by sindhu Mon Nov 03, 2008 1:12 pm
LC-MS instrumentation reliability by dharbour » Thu Sep 04, 2008 9:15 pm	1	3050	Last post by sindhu Mon Nov 03, 2008 1:02 pm
Oil fumes sucked back into MS by syfir » Wed Sep 03, 2008 11:24 am	5	3772	Last post by sindhu Mon Nov 03, 2008 12:34 pm
which functional groups give rise to which adducts in ESI? by lmh » Thu Sep 18, 2008 3:20 pm	3	4179	Last post by sindhu Mon Nov 03, 2008 12:01 pm
BFB tune will not pass by randy » Fri Oct 24, 2008 6:18 pm	1	4421	Last post by randy Mon Oct 27, 2008 5:56 pm
Wrong mass assignment in 5973A by thohry » Mon Oct 27, 2008 2:41 pm	1	2465	Last post by 625 Mon Oct 27, 2008 4:16 pm
Spiking samples gets overestimated! MS suppression/enhanc? by Anna01 » Mon Oct 20, 2008 7:26 pm	15	6309	Last post by JGK Thu Oct 23, 2008 3:33 pm
PE Turbomatrix 350 ATD by rwells » Thu Oct 16, 2008 8:51 pm	3	3056	Last post by Ken Tue Oct 21, 2008 12:17 pm
Oil contamination in my API 3000 by sassman » Tue Sep 16, 2008 8:50 pm	2	2435	Last post by sassman Mon Oct 20, 2008 5:08 pm
Thermofinnigan TSQ 7000..... by mickygd » Fri Oct 10, 2008 11:22 pm	1	2603	Last post by Kostas Petritis Mon Oct 20, 2008 12:05 am

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