LC-MS, GC-MS, and other - Page 31 - Chromatography Forum

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Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	56406	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
information about instrument sensitivity by joselin » Wed Sep 30, 2015 3:32 pm	2	3700	Last post by lmh Tue Oct 06, 2015 4:41 pm
Tune not passing: mass 50 failing by Chroman » Thu Oct 01, 2015 11:18 am	3	3461	Last post by Chroman Fri Oct 02, 2015 3:30 pm
how to check a second hand HPLC is refurbished or not by jiangds06 » Thu Oct 01, 2015 1:54 pm	4	52650	Last post by lmh Tue Oct 06, 2015 4:25 pm
Using water matrix for construction of calibration curves by k.schmidt » Sun Jun 07, 2015 12:19 pm	18	7318	Last post by k.schmidt Thu Oct 01, 2015 9:21 am
filament for varian gc/ms by Dusan Pesic » Wed Sep 23, 2015 8:07 am	7	3913	Last post by cleh Wed Sep 30, 2015 2:58 pm
Clean and Sensitive Determination of Pesticides by CF - David Hills » Tue Sep 29, 2015 2:45 pm	0	5327	Last post by CF - David Hills Tue Sep 29, 2015 2:45 pm
Tracking the Whole Range of Flavor Compounds by CF - David Hills » Tue Sep 29, 2015 2:26 pm	0	5064	Last post by CF - David Hills Tue Sep 29, 2015 2:26 pm
Problem with LCQ DECA by ksich » Tue Feb 17, 2015 10:37 am	5	4054	Last post by lmh Tue Sep 29, 2015 12:59 pm
TSQ8000 QuEChERS/Pesticides by Or Not » Mon Sep 28, 2015 5:37 pm	2	2881	Last post by Or Not Mon Sep 28, 2015 7:48 pm
Peak at m/z 32 but no m/z 28. Oxygen but no nitrogen? by MK2015 » Sun Sep 27, 2015 5:36 pm	1	3966	Last post by cleh Sun Sep 27, 2015 11:56 pm
MSD and chemstation by silvernitrate » Fri Sep 25, 2015 4:05 pm	0	4301	Last post by silvernitrate Fri Sep 25, 2015 4:05 pm
Water/N2 In GC/MS by S. Chasse » Fri Sep 18, 2015 3:35 pm	16	7608	Last post by KipDM Thu Sep 24, 2015 6:31 pm
Internal Standard Calculations for divided samples by THNDRacket » Fri Sep 18, 2015 3:34 pm	5	4332	Last post by James_Ball Wed Sep 23, 2015 5:49 pm
GC-MS rotary evoporator by feride » Tue Sep 22, 2015 10:08 am	0	4020	Last post by feride Tue Sep 22, 2015 10:08 am
Agilent's Optimizer Software by LabRat08069 » Wed Sep 16, 2015 5:45 pm	2	4463	Last post by cott1 Mon Sep 21, 2015 7:45 pm
Gluteraldehyde by MS by James_Ball » Wed Sep 16, 2015 5:22 pm	4	3972	Last post by MSCHemist Sun Sep 20, 2015 2:34 am
Problem with a GC MS from ThermoFisher - Automatic EI tuning by KevinBe » Wed Sep 09, 2015 5:58 am	1	2988	Last post by CHromatorgasm Sat Sep 19, 2015 11:09 am
PAHs by GC/MS by Karima09 » Sun Sep 06, 2015 9:04 am	1	2813	Last post by James_Ball Tue Sep 15, 2015 7:13 pm
Cannot tune, large leak. by wenleonard » Mon Sep 14, 2015 4:54 pm	5	2988	Last post by James_Ball Tue Sep 15, 2015 7:09 pm
ESI Response not stable by bunnahabhain » Wed Sep 09, 2015 2:22 pm	1	3136	Last post by lmh Mon Sep 14, 2015 4:42 pm
Which is best: Thermo ISQ or Shimadzu QP2010Ultra? by u0008355 » Thu Sep 10, 2015 2:22 pm	5	4412	Last post by Tal Alon Sun Sep 13, 2015 1:17 pm
feasibility for detecting ethylene gas using GC-MS by fuh123 » Wed Jun 10, 2015 5:13 pm	7	7969	Last post by fuh123 Sat Sep 12, 2015 8:22 pm
HP 5970 / 5890 by GLeslie » Mon Oct 22, 2012 7:38 pm	18	13834	Last post by stevek3 Wed Sep 09, 2015 8:24 pm
ChemStation: target and qualifier ions m/z window by eoms » Fri Sep 04, 2015 2:23 pm	1	4370	Last post by eoms Fri Sep 04, 2015 4:42 pm
Major Aquity Xevo TQD problem by McGyver » Mon Aug 17, 2015 12:43 pm	7	7357	Last post by McGyver Thu Sep 03, 2015 8:49 am
eSeminar! Applications and New Developments of ICP-MS by CF - David Hills » Wed Sep 02, 2015 2:14 pm	0	4471	Last post by CF - David Hills Wed Sep 02, 2015 2:14 pm
Help needed on UPLC-MS carryover issue by biggirl20 » Thu Aug 27, 2015 4:37 am	0	4020	Last post by biggirl20 Thu Aug 27, 2015 4:37 am
HP GC-MS 5890-5970 system by leoglag » Thu Feb 17, 2011 2:34 pm	17	10092	Last post by osp001 Mon Aug 24, 2015 7:53 pm
Problem with internal standard by françois » Wed Jul 02, 2014 9:29 am	11	5416	Last post by ngocduyfc Mon Aug 24, 2015 3:24 pm
High Random Noise in 5975c by Gizmo » Tue Aug 04, 2015 10:22 pm	5	4187	Last post by Gizmo Fri Aug 21, 2015 10:18 pm
Agilent 5975: how to remove the 1 piece lens insulator? by JPoulin » Tue Aug 04, 2015 4:07 pm	8	4376	Last post by James_Ball Fri Aug 21, 2015 3:01 pm
Column degrading in GCMS by versitian » Wed Aug 12, 2015 4:42 am	3	3467	Last post by KipDM Thu Sep 03, 2015 7:13 pm
LC-MS signal-to-noise calculation by Leni » Wed Aug 19, 2015 9:43 am	1	4869	Last post by tom jupille Thu Aug 20, 2015 11:16 pm
Fullscan ability of a LC triple-quadrupole by McGyver » Wed Aug 19, 2015 1:36 pm	1	2833	Last post by JMB Thu Aug 20, 2015 5:29 pm
who have shimadzu gc-ms? by che313 » Tue Jul 20, 2010 9:19 pm	7	4369	Last post by u0008355 Wed Aug 19, 2015 6:15 am
Varian Saturn 2200 RF problem by carsamm » Mon Jul 27, 2015 11:41 am	2	3721	Last post by carsamm Tue Aug 18, 2015 5:17 am
LC-MS contamination of mass 117, 212 and 233 in ESI negative by McGyver » Thu Feb 05, 2015 9:42 am	9	11795	Last post by McGyver Mon Aug 17, 2015 11:51 am
Elevated baseline for one analyte by senjey » Sun Aug 16, 2015 3:20 pm	0	3187	Last post by senjey Sun Aug 16, 2015 3:20 pm
RP-LC/MS Standard by Johte » Thu Jul 30, 2015 6:18 pm	1	3125	Last post by kmchale Fri Aug 14, 2015 9:07 pm
GC-MS Carrier Agent Question by kmh235 » Mon Aug 10, 2015 4:59 pm	17	5757	Last post by Peter Apps Thu Aug 13, 2015 5:44 pm
Cleaning of 5970 source by osp001 » Mon Jul 27, 2015 6:38 am	8	4039	Last post by osp001 Thu Aug 13, 2015 3:13 pm
SFC-MS Sample Insertion by kmh235 » Wed Aug 12, 2015 6:12 pm	2	2762	Last post by James_Ball Thu Aug 13, 2015 2:51 pm
Agilent 7890 MSD with HP5MS column to see propionic acid by hungryfriend » Wed Aug 12, 2015 12:15 pm	3	3341	Last post by MSCHemist Wed Aug 12, 2015 4:28 pm
Stubborn air leak by wenleonard » Sat Aug 08, 2015 12:48 pm	6	3767	Last post by Peter Apps Wed Aug 12, 2015 1:24 pm
Proline LCMSMS by KPK » Mon Aug 03, 2015 10:21 pm	3	3045	Last post by KPK Tue Aug 11, 2015 6:33 pm
Xcalibur 1.2 by jagoeman » Wed Aug 05, 2015 10:27 am	1	2654	Last post by dr_bahram1977 Tue Aug 11, 2015 6:28 am
Agilent 6460 triple quad with 1260 infinity binary pump by fredddie » Tue Aug 11, 2015 5:24 am	0	2968	Last post by fredddie Tue Aug 11, 2015 5:24 am
Air testing via GC-MS by dmdukes » Mon Aug 10, 2015 8:09 pm	0	3155	Last post by dmdukes Mon Aug 10, 2015 8:09 pm
Manual integration on Agilent GC-MS software by envirochem » Sun Aug 09, 2015 9:40 pm	1	3791	Last post by kubowicz.tomasz Mon Aug 10, 2015 5:13 am
Selection microHPLC/Autosamper/ColumnThermostat for API4000 by Kazimierz » Sun Aug 09, 2015 3:42 pm	0	2964	Last post by Kazimierz Sun Aug 09, 2015 3:42 pm

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