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

Post a new topic

5398 topics

Announcements	Replies	Views	Last post
Welcome! by tom jupille » Thu Mar 11, 2021 6:40 pm	0	17707	Last post by tom jupille Thu Mar 11, 2021 6:40 pm

Stay ahead and improve your skills! Our team will send you tailored information on new separation science methods and applications!

Register now with your professional email address.

Topics	Replies	Views	Last post
Electrospray Ionisation by Genepro » Sat Aug 13, 2005 10:20 pm	1	3623	Last post by SMC Mon Aug 15, 2005 2:44 pm
Mass Spec Services by Genepro » Wed Aug 10, 2005 5:57 am	3	3984	Last post by Genepro Sat Aug 13, 2005 10:21 pm
BIS-TRIS Propane and TRIS buffers for LC/MS? by DrPAP » Thu Aug 11, 2005 8:09 pm	0	3516	Last post by DrPAP Thu Aug 11, 2005 8:09 pm
GC/MS Purchase Q's by SelfAnalytical » Sun Aug 07, 2005 6:31 pm	3	3791	Last post by james little Tue Aug 09, 2005 11:31 pm
Residual methyl alcohol by GCMS by Pegry » Wed Jul 20, 2005 5:52 pm	6	4647	Last post by Noser222 Mon Aug 08, 2005 2:00 pm
Volatility of amphetamine and its analogues by GCMS » Fri Aug 05, 2005 9:01 pm	0	3051	Last post by GCMS Fri Aug 05, 2005 9:01 pm
what is wrong with the accuracy? by meillid » Tue Jul 26, 2005 11:41 pm	6	4149	Last post by pochengjean Mon Aug 01, 2005 12:23 am
help! i want an operation manual of Trace DSQ(GC/MS) by mayaner620 » Fri Jul 29, 2005 9:01 am	1	3551	Last post by CE Instruments Fri Jul 29, 2005 1:52 pm
Shimadzu QP1100 ex mass spectrometer by dlorenzo » Thu Jul 28, 2005 5:34 pm	0	3068	Last post by dlorenzo Thu Jul 28, 2005 5:34 pm
GC triple quad by Fr » Thu Jun 30, 2005 1:35 pm	12	6570	Last post by CE Instruments Thu Jul 28, 2005 11:19 am
"instrument not present" in masslynx by KG » Wed Jul 20, 2005 6:58 pm	3	5320	Last post by tsaioun Wed Jul 27, 2005 6:32 pm
Increasing Linearity of Calibration in Electrospray? by james little » Mon Jul 25, 2005 2:09 am	6	4071	Last post by james little Tue Jul 26, 2005 9:46 pm
Smooth algorithm, LC - Ion Trap MS by joel.ch » Tue Jul 26, 2005 2:55 pm	0	3125	Last post by joel.ch Tue Jul 26, 2005 2:55 pm
peak ration of internal standard and analyte change a lot by meillid » Fri Jul 22, 2005 12:07 am	2	3991	Last post by meillid Fri Jul 22, 2005 4:47 pm
New to GC-MS and have questions by kst1 » Fri Jul 08, 2005 10:04 pm	5	4206	Last post by kst1 Thu Jul 21, 2005 10:31 pm
Removing m/z 288 from LCMS by Mmoneng » Wed Jul 20, 2005 1:30 pm	0	2965	Last post by Mmoneng Wed Jul 20, 2005 1:30 pm
sensitivity drop due to change of isolation width on LCQ by Pistek » Wed Jul 20, 2005 11:59 am	0	3184	Last post by Pistek Wed Jul 20, 2005 11:59 am
sodiated ion by gurmeet » Sat Jul 16, 2005 2:31 pm	5	4417	Last post by gurmeet Wed Jul 20, 2005 11:38 am
flow rate gradient along with composition gradient by Ericz » Tue Jul 19, 2005 5:39 pm	1	3275	Last post by Uwe Neue Wed Jul 20, 2005 2:01 am
The Mathieu parameters a and q by Ricardinio » Mon Jul 11, 2005 5:29 pm	1	3444	Last post by JI2002 Thu Jul 14, 2005 5:36 pm
Acylcarnitine screening MS/MS by M.C. » Thu Jul 14, 2005 11:40 am	1	3321	Last post by MG Thu Jul 14, 2005 1:39 pm
Understanding electrospray by Ricardinio » Sun Jul 10, 2005 12:03 pm	2	3342	Last post by Ricardinio Mon Jul 11, 2005 5:23 pm
pesticides/herbicides in essential oils by WK » Wed Jul 06, 2005 3:58 pm	2	3353	Last post by WK Mon Jul 11, 2005 7:17 am
Alendronate urine determination by konkous » Tue Jun 28, 2005 11:13 am	1	3255	Last post by MG Thu Jul 07, 2005 8:10 pm
Elucidation of degradant structures by paresh » Thu Jul 07, 2005 7:35 am	0	3054	Last post by paresh Thu Jul 07, 2005 7:35 am
Sites for HPLC-MS Study by Carlos Teixeira » Wed Jun 29, 2005 11:49 am	1	3325	Last post by Kostas Petritis Thu Jun 30, 2005 6:05 am
EZ:FAAST LC-MS product for Free amino acid analysis by kevinsouls » Mon Jun 27, 2005 11:23 pm	1	3268	Last post by Greg Cawthray Thu Jun 30, 2005 5:25 am
Column bleed or real peaks by PEfan » Wed Jun 22, 2005 3:29 pm	2	3791	Last post by Consumer Products Guy Mon Jun 27, 2005 10:14 pm
Mobile phase ions by meillid » Thu Jun 23, 2005 10:17 pm	2	3524	Last post by meillid Fri Jun 24, 2005 8:41 pm
Home made electrospray emmiter II by Kostas Petritis » Thu Jun 23, 2005 11:36 pm	0	3173	Last post by Kostas Petritis Thu Jun 23, 2005 11:36 pm
strange increase of sensibility during the analysis by Maristela » Fri Jun 03, 2005 2:09 pm	12	6815	Last post by Maristela Wed Jun 22, 2005 12:08 pm
LCQDUO quantitative problems by dr_Pyrex » Fri Jun 10, 2005 12:47 pm	6	4785	Last post by dlorenzo Fri Jun 17, 2005 6:19 pm
LC-MS/MS for multiresidue analysis by emadatala » Sat May 21, 2005 3:54 am	6	4629	Last post by james little Thu Jun 16, 2005 12:55 am
Matrix Effects in LSMS Analysis of Plasma Samples by james little » Sat Jun 11, 2005 10:01 pm	8	4929	Last post by HW Mueller Wed Jun 15, 2005 8:31 am
Analysis of 12CO2 and 13CO2 ratio by sabikh » Thu Jun 02, 2005 8:44 pm	4	4430	Last post by Ron Wed Jun 15, 2005 1:15 am
Which GC/MS/MS is a better choice? by ws_lam » Thu May 12, 2005 6:00 am	8	5266	Last post by Ron Fri Jun 10, 2005 2:52 am
Re: No fragmentation in an ion trap by Mary Carson » Wed Jun 08, 2005 4:03 pm	0	3114	Last post by Mary Carson Wed Jun 08, 2005 4:03 pm
enrichment of phosphopeptides prior to MS by SMC » Wed Jun 08, 2005 3:02 pm	0	2980	Last post by SMC Wed Jun 08, 2005 3:02 pm
LC-MS/MS drug degradents identification by meillid » Wed May 25, 2005 8:48 pm	5	4371	Last post by Daren Wed Jun 01, 2005 12:15 am
Software for determining molar mass of a polycation by vuillaume » Tue May 31, 2005 5:15 pm	0	2808	Last post by vuillaume Tue May 31, 2005 5:15 pm
What is the limit Percentage of Buffer in LC-MS/MS by mass » Sat May 21, 2005 11:52 am	11	6151	Last post by Uwe Neue Thu May 26, 2005 9:58 pm
how to decrease solvent cluster by meillid » Wed May 25, 2005 6:27 pm	3	3943	Last post by meillid Thu May 26, 2005 4:12 pm
What is the exact effect of DC voltage in quadrapoles? by mass » Wed May 25, 2005 2:08 pm	1	3394	Last post by JI2002 Thu May 26, 2005 1:56 am
No Vent by WK » Mon May 23, 2005 10:55 am	0	3027	Last post by WK Mon May 23, 2005 10:55 am
LCMS ESI for N-quaternary pesticides by osten » Mon May 16, 2005 3:50 pm	11	15929	Last post by osten Fri May 20, 2005 7:22 pm
LC-MS-MS spectrum by paresh » Wed May 18, 2005 5:07 am	1	3308	Last post by MG Wed May 18, 2005 2:17 pm
Mass spectrum by paresh » Wed May 18, 2005 4:56 am	1	3468	Last post by MG Wed May 18, 2005 2:09 pm
an question seems related to only MS by meillid » Thu Apr 28, 2005 11:21 pm	7	4990	Last post by james little Wed May 18, 2005 4:00 am
Why the ion trap is called quadrupole by Ricardinio » Sun May 15, 2005 5:16 pm	4	4581	Last post by JI2002 Tue May 17, 2005 8:10 pm
Base peak chromatogram vs TIC by Ricardinio » Sun May 15, 2005 6:33 pm	3	25672	Last post by Ricardinio Mon May 16, 2005 9:45 pm

Post a new topic

5398 topics

Return to Board Index

Who is online

In total there is 1 user online :: 0 registered, 0 hidden and 1 guest (based on users active over the past 5 minutes)
Most users ever online was 1117 on Mon Jan 31, 2022 2:50 pm

Users browsing this forum: No registered users and 1 guest

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

Related Sites

Separation Science

Analytical Training Solutions