LC-MS, GC-MS, and other - Page 103 - Chromatography Forum

Post a new topic

5518 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	120935	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Topics	Replies	Views	Last post
ISTD concentration for LC-MS/MS by limeiluo » Sat Mar 18, 2006 6:44 am	2	7078	Last post by limeiluo Sun Mar 19, 2006 3:53 pm
slope and intercept change by meillid » Fri Mar 17, 2006 8:16 pm	1	3701	Last post by james little Sat Mar 18, 2006 4:22 am
GC-MS instrument transport by josebenjamin » Mon Mar 13, 2006 5:33 pm	4	5352	Last post by josebenjamin Tue Mar 14, 2006 9:39 pm
too high column bleed by gandreou » Thu Feb 09, 2006 10:30 am	4	5039	Last post by Peter Apps Fri Mar 10, 2006 1:32 pm
good web sites to learn more about LCMSMS by venkatpadala » Wed Mar 08, 2006 8:59 am	3	4449	Last post by LarryHouse Thu Mar 09, 2006 9:04 pm
when to change the capillary GC column? by wl_yang » Thu Mar 02, 2006 8:06 pm	4	6468	Last post by james little Thu Mar 09, 2006 12:08 am
LCMS training by mtnshawn » Wed Mar 08, 2006 3:46 pm	2	4206	Last post by tom jupille Wed Mar 08, 2006 6:15 pm
replicate injection from the same sample vial or replicate by meillid » Tue Mar 07, 2006 7:29 pm	1	4331	Last post by wuwei_online Wed Mar 08, 2006 7:28 am
How much more sensitive is API 4000 or 3000 than 2000? by shangyer » Thu Feb 23, 2006 4:37 pm	3	6564	Last post by MG Fri Mar 03, 2006 9:27 pm
A problem about Ion trap :Agilent 1100 XCT, ESI by Atinuch40 » Wed Feb 22, 2006 5:19 pm	5	5167	Last post by MG Fri Mar 03, 2006 9:19 pm
Erratic Aldrin Recovery EPA 525 by ravenwork » Wed Mar 01, 2006 7:56 pm	3	4223	Last post by vballchemist Thu Mar 02, 2006 7:47 pm
Qustion about LC/MS. by lsolines » Wed Mar 01, 2006 2:57 pm	1	3370	Last post by Uwe Neue Wed Mar 01, 2006 5:10 pm
Detection/quantitation of aminoglycosides in pure proteins by gckiv » Tue Feb 28, 2006 4:36 pm	2	3547	Last post by Mary Carson Wed Mar 01, 2006 5:08 pm
m/z for kerozene identification by GC-MS by UMAchem » Mon Feb 27, 2006 3:12 pm	0	3292	Last post by UMAchem Mon Feb 27, 2006 3:12 pm
Quantitation by LC-MS, basic question/information by WalterJ » Fri Feb 24, 2006 1:52 am	1	3712	Last post by Noser222 Fri Feb 24, 2006 2:50 am
ZQ tune conditions by stanlee » Tue Feb 21, 2006 3:15 pm	8	6404	Last post by james little Thu Feb 23, 2006 11:04 pm
a interesting question about tripquad by meillid » Wed Feb 22, 2006 12:17 am	1	3581	Last post by Kostas Petritis Wed Feb 22, 2006 7:54 am
book recommendation---for industy and more by meillid » Mon Feb 20, 2006 11:21 pm	0	3273	Last post by meillid Mon Feb 20, 2006 11:21 pm
terminology by just me » Mon Feb 20, 2006 8:33 pm	1	3735	Last post by Kostas Petritis Mon Feb 20, 2006 9:47 pm
The Quadropole by just me » Wed Feb 01, 2006 11:52 am	5	5208	Last post by tom jupille Fri Feb 17, 2006 5:30 pm
Sensitivity Testing by mike » Wed Feb 15, 2006 5:05 pm	1	3807	Last post by james little Thu Feb 16, 2006 11:50 pm
protiene binding by pliva » Thu Feb 09, 2006 11:05 am	9	5317	Last post by HW Mueller Tue Feb 14, 2006 8:17 am
A general question regarding LC/MS by Tristan » Fri Feb 10, 2006 4:26 am	2	3941	Last post by james little Fri Feb 10, 2006 11:16 pm
LC/MS Buffer - Can we use TRIS? by MPaciol » Wed Feb 08, 2006 7:03 pm	2	5978	Last post by Uwe Neue Thu Feb 09, 2006 8:45 pm
not appearing peaks by gandreou » Tue Jan 31, 2006 10:41 am	17	9977	Last post by Kajjo Thu Feb 09, 2006 10:34 am
lcms detectors by zydus » Wed Feb 08, 2006 11:43 am	1	3944	Last post by tom jupille Wed Feb 08, 2006 10:32 pm
Technical term question by hkonishi » Sun Feb 05, 2006 8:16 pm	4	4333	Last post by james little Tue Feb 07, 2006 2:27 am
What are the bests ions? by camino » Wed Jan 18, 2006 5:09 pm	2	4049	Last post by Rick Fri Feb 03, 2006 9:11 pm
compare two derivatization methods! by shangyer » Tue Jan 31, 2006 4:15 pm	3	4112	Last post by shangyer Wed Feb 01, 2006 4:26 pm
Internal Standards in LC-MS and LC-MS/MS by james little » Sun Jan 15, 2006 2:42 pm	7	6240	Last post by james little Tue Jan 31, 2006 3:52 am
Cmax for valsartan by bshyamb » Sat Jan 21, 2006 1:30 pm	2	3849	Last post by bshyamb Sun Jan 29, 2006 3:20 pm
High pH matrix using LC-MS ESI positive mode by martharay » Tue Jan 24, 2006 6:06 pm	4	4586	Last post by Kostas Petritis Wed Jan 25, 2006 4:14 am
VG Trio 1000 manual by gandreou » Mon Jan 16, 2006 9:16 am	4	5131	Last post by gandreou Mon Jan 23, 2006 10:25 am
low EI source temperature by gandreou » Sun Jan 15, 2006 5:20 pm	8	5615	Last post by Kostas Petritis Sat Jan 21, 2006 7:02 pm
ion mobility in FAIMS by JI2002 » Thu Jan 19, 2006 7:13 pm	0	3377	Last post by JI2002 Thu Jan 19, 2006 7:13 pm
how to explain the signal from runing of empty MS by meillid » Mon Jan 16, 2006 5:59 pm	7	5094	Last post by Rafael Chust Thu Jan 19, 2006 3:24 pm
Inserts for Deep well plates by xxx » Thu Jan 19, 2006 2:56 pm	0	3269	Last post by xxx Thu Jan 19, 2006 2:56 pm
ISOtope by meillid » Thu Jan 12, 2006 10:23 pm	9	5696	Last post by HW Mueller Tue Jan 17, 2006 10:05 am
Quantitative analysis with MS without chromatography by Fabiano » Thu Jan 12, 2006 8:49 pm	3	4180	Last post by Kostas Petritis Sat Jan 14, 2006 12:10 am
Method Development for pantoprazole by bshyamb » Fri Jan 13, 2006 5:04 pm	0	3401	Last post by bshyamb Fri Jan 13, 2006 5:04 pm
API 2000 sensitivity of nitrosamines by meillid » Tue Jan 10, 2006 9:12 pm	5	4543	Last post by meillid Thu Jan 12, 2006 10:17 pm
Varian 1079 and Saturn 2000 Ion Trap by WK » Wed Jan 11, 2006 4:32 pm	0	3407	Last post by WK Wed Jan 11, 2006 4:32 pm
Ethanethiol in Propane by jhobbs » Wed Jan 11, 2006 4:03 pm	2	4210	Last post by jhobbs Wed Jan 11, 2006 4:30 pm
ion suppression x non retained compounds by Maristela » Fri Jan 06, 2006 10:09 pm	11	6523	Last post by james little Wed Jan 11, 2006 1:21 am
Book recommendations? by LarryHouse » Sat Jan 07, 2006 12:36 am	2	4010	Last post by james little Sat Jan 07, 2006 1:51 am
Esquire 3000 sensitivity by ym3142 » Wed Jan 04, 2006 10:43 pm	4	3966	Last post by Ary Fri Jan 06, 2006 9:20 am
LCMS-MUX using different ph buffers? by AVM » Thu Jan 05, 2006 2:50 pm	2	3761	Last post by Uwe Neue Fri Jan 06, 2006 3:50 am
5973 autotune will not pass by indianolajohn » Thu Dec 29, 2005 4:48 am	1	3527	Last post by Rick Thu Jan 05, 2006 9:22 pm
need help regarding LC-MS-NMR by aniket » Fri Dec 16, 2005 9:30 am	5	4347	Last post by Ary Tue Jan 03, 2006 3:08 pm
IS increasing over time. by LarryHouse » Sat Dec 24, 2005 1:32 am	9	5728	Last post by james little Mon Dec 26, 2005 2:12 pm

Post a new topic

5518 topics

Return to Board Index

Who is online

In total there are 28 users online :: 0 registered, 0 hidden and 28 guests (based on users active over the past 5 minutes)
Most users ever online was 11462 on Mon Dec 08, 2025 9:32 pm

Users browsing this forum: No registered users and 28 guests

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Latest Blog Posts from Separation Science

Separation Science offers free learning from the experts covering methods, applications, webinars, eSeminars, videos, tutorials for users of liquid chromatography, gas chromatography, mass spectrometry, sample preparation and related analytical techniques.

Subscribe to our eNewsletter with daily, weekly or monthly updates: Food & Beverage, Environmental, (Bio)Pharmaceutical, Bioclinical, Liquid Chromatography, Gas Chromatography and Mass Spectrometry.

Liquid Chromatography

Gas Chromatography

Mass Spectrometry

Home
Contact us
Delete cookies
All times are UTC

Related Sites

Separation Science

Analytical Training Solutions

Registration

Log in

Part of Separation Science