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Chromatography Forum: LC-MS & GC-MS Archives

Welcome to LC-MS and GC-MS Archives. You may read any of the discussions by clicking on the appropriate link. To start a new discussion of your own, go to the Hyphenated Techniques Message Board.

Tandem techniques May 20 - 09:02 pm

LC-MS of underivatised amino acids? October 7 - 01:26 pm

LC-MS: WHICH ONE??? September 13 - 02:03 pm

PH 7 Buffer for LC/MS September 20 - 01:12 pm

Masses displaced in MSD September 8 - 06:20 pm

Dichloromethane & LC/MS September 9 - 12:01 pm

LC/MS electrospray October 29 - 04:57 am

Micro-LC coupled to MS November 17 - 03:11 am

Volatile Ion Pair needed for LCMS December 21 - 05:51 am

Glucuronide metabolite peak deterioration, LC/MS May 18 - 12:13 pm

HPLC/MS - N2 Generators April 24 - 08:34 am

InfraRed Detector for HPLC June 10 - 09:00 am

LCMS - HP 1100MSDs June 22 - 01:15 am

PCB-analysis by LC-MS July 7 - 03:18 am

LC-MS: multiple m/z-signals from one analyte July 6 - 05:01 am

LC/MS litterature February 29 - 02:19 am

Partical beam lc/ms January 21 - 11:34 am

LC-MS February 9 - 07:14 am

GC/MS mass spectral library February 3 - 08:01 am

Looking for a reliable GC-MS analytical lab January 20 - 04:03 am

GC/MS analysis of tert. amine May 9 - 06:40 am

Hydrophobic cytochrome analysis by LC-MS February 3 - 03:18 pm

Lc/ms methodology April 17 - 07:08 pm

MS Detector that can be used for either GC or LC applications? May 1 - 06:07 am

Gc/ms of phosalone March 1 - 09:10 am

GC/MS Reproducibility problem March 2 - 06:07 am

LC-GC: What are the pitfalls of this coupled technique? March 20 - 03:05 pm

HP 5971A/5972A/5973A GC-Mass Selective Detector Question April 24 - 01:50 pm

Anyone know of an MS Detector for either LC or GC Applications? April 25 - 02:36 pm

Recommendations for a GC-MS May 3 - 01:58 pm

Chiller filter for LC/MS November 13 - 01:09 pm

LC/MS for surfactants analysis October 24 - 02:43 pm

MS Interpretation Software December 14 - 01:51 am

LC/MS for surfactants anlaysis December 29 - 10:21 am

LC-MS Contract Lab January 4 - 09:42 am

LC/MS January 9 - 04:51 am

FTIR spectrum May 18 - 11:51 pm

LC-MS buffers February 7 - 05:27 pm

Phospholipids by GC/MSD? May 17 - 11:50 am

Changing GCMS columns without venting the vacuum system June 12 - 11:22 am

GC/OFID GC/MS and Integrator Programming July 24 - 10:43 am

GC-MS peak variability October 28 - 08:27 pm

GC-MS standard method November 3 - 02:36 pm

GC/MS Detection Limits November 15 - 11:53 am

GS-MS-HS analysis of fragrences in paper December 19 - 01:39 pm

GC-NCI-MS September 12 - 01:58 pm

LC/MS Software Problem with PE Sciex & HP Chemstation June 27 - 06:58 am

What LC to fit to a micromass triplequad MS-MS? April 18 - 02:18 pm

LC-MS 1100 April 23 - 04:50 pm

Book for MS Interpretation April 26 - 05:54 pm

LC system for triple quad MS May 31 - 08:44 am

Which LC system is good for PE/Sciex AP3000/4000? May 25 - 03:09 am

Quantitiative MS June 12 - 02:28 pm

Carryover problems with HP1100 hooked up to an LC-MS-MS June 28 - 01:28 am

GC/MS monosaccharides March 27 - 02:12 pm

GC MS, ION TRAP OR QUADRUPOLE? WICH IS BETTER? May 15 - 11:26 am

LC-MS June 9 - 04:42 am

Comments on Varian GC-MS with Combi Pal Autosampler December 8 - 10:38 am

Mass Spec Detector capabilities October 4 - 10:58 am

Electrospray compatible buffers and reagents June 6 - 05:49 am

Raman peak of water April 17 - 12:04 am

PKa calculation and MS buffer June 11 - 07:25 pm

Varian Saturn GC/MS February 26 - 07:55 pm

Ink analysis by GC/MS May 10 - 12:30 pm

Improved Library Searching on HP (Agilent) GC-MS MSD's May 23 - 05:24 pm

Isotope clusters June 23 - 10:25 am

API2000 Analyst software and HP1100 autosampler washes control June 27 - 11:15 am

TURBOMASS May 30 - 11:09 am

Calibration Std for LC/MS July 21 - 09:28 am

GC-MS, hydrogen gas generator August 28 - 12:24 pm

Considering a MSD any Advice August 18 - 04:09 pm

MSD Chemstation July 2 - 03:25 am

Is it possible to analyse phenol by GC/MS? July 3 - 06:37 am

GC-MS Analysis Using Aluminum Clad Column August 30 - 02:24 pm

Raising response in quantitative LC-MS July 10 - 05:06 am

LC-MS vs. LC-MS-MS August 30 - 11:36 am

LCMS qualification August 31 - 01:28 pm

LC columns for LC/MS or LC/MS/MS September 12 - 04:19 am

LC-MS method for Maleic Hydrazide in Water? November 9 - 06:47 am

What is a price range of a LC-ion trap MS, a LC-single quadrupole and a LC-triple quadrupole MS? November 26 - 01:49 pm

CITRIC ACID BY HPLC/MS November 29 - 10:21 am

Poor peak shapes on LC/MS/MS chromatogram November 27 - 01:21 pm

LCMS January 29 - 10:54 am

Uninterrupted Power Supplies (UPS) for GC-MS Instrument November 29 - 12:05 pm

Y-pressfit connection to MS November 21 - 07:53 am

Problem with diffusion pump (HP MSD 5791A) November 21 - 07:42 am

GC/MS/MS Method for Metoprolol December 14 - 01:56 pm

114 adduct July 14 - 04:33 pm

LC/MS/MS Traps June 25 - 05:32 am

LCMS analysis of PAHs February 28 - 01:54 am

Maleic acid by LC/MS February 22 - 01:57 pm

LC/MS & LC/MS/MS THEORY AND APPLICATIONS June 22 - 09:54 am

APCI or electrospray for pharmaceuticals? February 18 - 04:03 am

LC MS and LC NMR February 12 - 04:12 am

, LC-MS and LC NMR interfaces February 12 - 04:39 am

Recommendations for postcolumn splitter March 4 - 10:59 am

Method development for high-throughput open-access LC/MS April 5 - 07:33 am

EDTA replacements for LC-MS analysis April 24 - 12:39 pm

Lc-ms-ms April 26 - 04:30 pm

LC/MS/MS of biological samples May 15 - 04:06 am

Capillary LC or Capillary LC/LCMS June 3 - 07:15 am

Wanted 1.5 micron C18 2 X 150mm column for LC/MS June 8 - 06:55 am

LC/MS Negative ion detection June 13 - 09:27 am

Carboxylic acids with LCMS June 14 - 08:42 am

Buffer pH 7.4 for LC/MS June 28 - 11:46 am

Split interface for GC-MS and GC-FID January 2 - 01:50 am

HP 5971 MSD doing strange things on pump-down - Ideas? January 11 - 08:45 am

Looking for a contract lab with Headspace GC-MS willing to change column February 7 - 04:38 pm

GC-MS identification of trace oxygenated components March 1 - 10:25 am

GC-MS April 4 - 02:06 pm

Analysis for Ethyl alcohol in excess of water by GCMS June 22 - 01:43 pm

MS Chemstation software May 31 - 10:44 am

Problem: High Background in Ion Trap GC/MS of Derivatized Alcohols April 22 - 08:04 am

Analysis of Dioxins by Agilant GC/MS May 2 - 07:30 am

DMSO as solvent for GCMS May 3 - 08:01 am

LCMS method for quantification of Lauryl alcohol/fatty alcohol March 30 - 12:05 am

Trouble with quantitation of 4-methoxyphenol using LC/MS May 31 - 10:40 am

Gc/ms analysis of steroid hormones May 18 - 09:53 am

Agilent MSDchemstation...problem with recalibration May 31 - 11:03 am

Unexpected fragmentation June 26 - 08:25 am

Can the FID be replaced by MS for detection of VOC's in the method? May 20 - 07:42 pm

Routine sensitivity testing of LCMS July 6 - 04:59 pm

IP-LC-ICP-MS August 8 - 12:29 pm

Abnormal peak shape for LCMSMS determination August 13 - 05:03 am

LC-MS information August 23 - 04:50 am

LC/MS Quantitative Analysis of N-methyl Carbamates November 14 - 10:55 am

Clusters and adducts in LC-MS September 24 - 04:09 am

Lc/ms/ms standard curves September 26 - 07:59 am

LC/MS nitrogen sources October 29 - 11:26 am

Free Alcohols/Free fatty acids in Leef Surface Waxes by MS October 29 - 09:58 am

LC or LC/MS method for Calixarene December 1 - 03:26 am

Good LC/MS Coditions for organic sodium salt November 11 - 08:31 am

Acetylsalicylic acid BY LC/MS/MS May 20 - 12:22 am

LC-MS CHROMASOLV grade solvent December 2 - 12:21 pm

Proper tuning, quantitation, and LC-MS December 16 - 01:16 pm

Enhancement in GC-MS October 3 - 08:47 pm

Big problem with HP 5971 MSD diffusion pump November 27 - 01:48 am

Relation between GC/MS and GC/FID November 14 - 01:06 pm

GC/MS demo lab of students October 8 - 11:30 pm

Thermal labile cpd in GCMS? November 14 - 02:02 pm

Mass Range ? November 18 - 11:30 am

TPH-GRO by GCMS December 11 - 05:55 am

GC-MS-FTIR December 23 - 07:25 am

Lc/ms--hplc? help January 13 - 10:16 am

How to deal with horrible peak tailings when analyzing diphosphonic acids by LC/MS? January 31 - 01:38 pm

LC-MS improving sensitivity January 30 - 07:55 am

Used LC and LC/MS systems and Components February 18 - 02:35 am

MS/MS resolution limitations at higher PPG m/z value February 25 - 06:24 pm

GCMS-ion trap system January 30 - 01:14 pm

Information on EPA Mass Spectrum File Format for GC/MS January 9 - 07:04 am

IDMS January 30 - 01:20 pm

? Safety precautions for working with GC/MS in an analytical lab? February 11 - 02:52 am

Ask for help_ GC/MS derivatization February 4 - 12:46 pm

Ask for help: GC/MS/MS - derivatization question February 4 - 12:57 pm

Lost sensitivity with MS February 25 - 09:24 am

Finnigan Magnum Ion Trap Software February 25 - 02:40 pm

AAA LC-MS April 14 - 08:26 pm

LC/MS Solvents March 5 - 06:37 am

IC and LC-MS/MS of small molecules April 5 - 10:21 am

Update on AAA-LCMS April 9 - 05:14 am

LCMS extra peaks April 28 - 01:18 pm

IQ/OQ/PQ for GC/MS May 22 - 10:10 am

Normal Phase LC-MS/MS April 29 - 10:53 am

Universal column for LC/Ms May 19 - 03:10 pm

Amoxicillin by LCMS/MS? May 13 - 09:40 am

MS driven Prep. LC fraction collection May 22 - 10:57 pm

LC-ESI_MSD, chamber spray April 28 - 02:48 pm

ThermoFinnigan DECA XP LC/MS/MS May 12 - 11:37 am

Std method for PCBs in mineral insulating oils using GCMSD April 14 - 05:53 pm

[Q:] Applications GC-MS April 15 - 08:41 am

Precision and Detection Limits on GC-MS May 20 - 04:18 am

GC-MS Where are the missing ions? June 19 - 07:26 am

Buying GC/MS March 10 - 12:36 am

LC-MS contamination of m/z 391 [M+H+] July 1 - 02:21 am

Oligonucleotides by electrospray LCMS August 4 - 07:11 am

Need help to identify MS-MS spectra of unknown peak (aminosugar?) July 9 - 03:56 am

LC-MS-MS method for Cyclosporin A April 6 - 11:43 pm

Post column stream splitter for coupling with LC/MS July 29 - 06:46 pm

Only daughter appears in single LC/MS ??? August 7 - 04:02 pm

LC-MS for ionic compounds December 1 - 09:04 am

HPLC pumps & LCMS performance mixture September 23 - 07:59 am

Lc-ms discussion group September 30 - 04:14 am

MS split loaction October 1 - 06:27 am

LC-MS October 3 - 06:10 am

Amino acid analysis by LC-MS October 23 - 05:39 pm

LC-MS method for Alkyl polyglycosides October 25 - 07:25 pm

MS Forum September 1 - 04:36 am

Software for GCquadruple spectra library converter July 1 - 02:22 pm

HP/Agilent GCMS Libraries July 9 - 08:21 am

GC-MS Overload June 2 - 02:27 am

ICP -MS/OES forum September 23 - 04:00 pm

Where is Agilent GC-MSD "Q-Value" come from? September 18 - 03:31 am

GC-MS & LC-MS near XRD instrument. September 19 - 08:36 am

GC-MS analysis of vamidothion October 16 - 02:11 am

GC/MS analysis for oxcarbazepine October 20 - 06:22 pm

502 ion October 27 - 09:16 am

Phenols by GC-MS October 24 - 06:12 am

Question July 31 - 11:11 pm

NMR and IR September 3 - 01:35 am

Adduct formation in LCMS August 20 - 07:47 am

Question: Quadratic Weighted Fit? October 19 - 10:50 pm

Method for Quantitative analysis of Oilfield chemicals (Water and hydrocarbon based corrosion inhibitors, Demulsifiers, Scale inhibitors and biocides) by HPLC, GC/MS, GC/NPD July 6 - 01:25 pm

Aminoacids on RP-HPLC-MS without derivatisation? November 24 - 10:23 am

HPLC-MS of CoA-Esters and Nucleotides (ATP,AMP,ADP) February 16 - 12:39 pm

Ion Exchanger Column for LC/MS September 27 - 07:51 am

TFA vs. Formic Acid in HPLC and LC-MS October 30 - 05:48 am

Has anyone got a HPLC or LC-MS method for the analysis Chlorotetracycline and its 4-Epimer Isomer November 7 - 04:26 pm

Fumonisins in HPLC-MS November 29 - 05:27 am

HPLC-MS and embedded polar group RP columns February 12 - 01:56 pm

SPE for global protein profiling by MS May 27 - 07:49 am

Inhibit growth of algae and fungus in LCMS August 30 - 03:46 am

HPLC/MS CARBOXILIC ACIDS November 11 - 08:40 am

Mobile phase for LC-MS/MS December 18 - 07:26 am

LC-MS: Problems with Perfluorinated Acids in Mobile Phase January 9 - 12:53 pm

Information on HPLC and GC/MS method development April 18 - 12:03 pm

LC-MS of 1,1-cyclobutanedicarboxylic acid in carboplatin solutions February 18 - 02:48 pm

Post column stream splitter for coupling with LC/MS April 17 - 03:17 pm

Ion-suppression in LC-MS-MS April 29 - 08:59 am

? sugars by LC-MS May 5 - 02:34 pm

NH4OH as LC/MS mobile phase June 4 - 04:25 pm

Ion Pairing & ESI MS September 4 - 11:43 pm

Sodium Contamination in lCMS October 30 - 12:21 am

Chlormequat: SPE and chromatography-MS detection October 31 - 07:46 pm

LCMS-Ionization problem-Ubiquinone November 15 - 08:58 am

LC-MS November 16 - 07:59 am

LC/MS November 25 - 06:24 am

LC-MS Thermospray / Electrospray December 4 - 09:05 am

Halothane using LCMS??? December 9 - 06:59 am

Calcium ions in water maxtrix by LC/MS December 16 - 08:14 pm

LC/MS/MS quadrapole April 1 - 07:30 pm

Carbamates on LCMSMS December 18 - 06:47 am

LC-MS interest January 6 - 08:33 pm

LC/MS/MS January 7 - 06:56 am

Reproducibility Problem on 1100 Agilent LC and API 2000 LCMSMS January 8 - 09:44 am

Glucosamine by LCMSMS problems January 19 - 01:41 pm

M/z 165 in LC/MS scan January 28 - 10:53 am

Use of dioxane in LC-MS March 30 - 12:33 am

Isotope abundance and LC-MS January 27 - 11:19 am

Concentration of Tuning Solution for MS January 27 - 12:20 pm

Unknown impurity with ESI-LC/MS February 3 - 01:22 am

Screening of unknown by LC/MS February 4 - 05:30 pm

Use of ion pairing agents in LC-MS January 28 - 03:46 pm

Na adduct in LC-MS January 28 - 06:33 am

Alternatives to reversed phase chromatography with LC-MS April 19 - 06:29 pm

LC/MS LOD February 6 - 06:36 am

Plasma protein precipitation in LC/MS/MS February 12 - 12:22 am

LC/MS Analysis February 11 - 08:12 pm

Change in mass when tuning analyte on LCMS March 29 - 04:12 pm

Mass from previous MS analysis March 3 - 08:51 am

Compatibility of DMSO with MS March 30 - 05:12 am

MS spectral libraries March 3 - 07:53 am

Adduct formation in LCMS March 16 - 07:03 pm

LCMS for Pyrimdine base related compounds March 4 - 06:33 am

Flow rate of 1ml/min for LC/MS in APCI mode March 11 - 02:33 am

Fragmentation in LC/MS/MS March 12 - 04:30 am

LCMS books March 11 - 07:04 pm

Two questions about LC-ESI MS March 19 - 03:13 pm

TEA vs NH4OH for LC/MS applications March 17 - 10:45 am

Chiral Separation (LC/MS/MS) March 19 - 07:30 am

List of volatile buffers for LCMS March 18 - 06:00 am

LC/MS book March 18 - 07:24 am

LC-MS: Ionization of fluoro nitro benzoic acid March 19 - 12:31 pm

Possibility of EI probe LCMS March 22 - 06:38 am

LC/MS-MS equipment brand March 22 - 06:47 am

Internal standard for desfuroylceftiofur by LCMS March 22 - 07:45 pm

Stability Indicating method to support GLP tox by LC-MS/MS March 25 - 04:42 am

Compatibility of Oxalic acid with MS March 30 - 06:44 am

1-naphthol LC/MS April 6 - 02:39 pm

Determination of Elemental composition by LC/MS/MS April 5 - 09:09 am

Methanol adducts in LC/MS April 2 - 04:28 am

HPLC/MS sensitivity comparision April 2 - 10:04 am

LCMS of di and trifunctional acids, pH modifier April 14 - 08:51 am

LC MS/MS April 15 - 10:34 am

Need advice on LCMS care during maintenance or emergency situation April 15 - 02:07 am

LCMS Ion trap Instrument-Question April 14 - 07:48 am

LCMS of an amino acid derivative in complex mixtures May 20 - 08:29 am

Disodium adduct formation in LCMS April 18 - 01:37 pm

Ionisation & Fragmentation in LCMS and GCMS April 19 - 09:25 am

Quantification by LC/MS/MS April 27 - 06:57 am

Contamination (LCMS) Help!! May 11 - 10:21 am

Concentrating a sample on LCMSMS May 10 - 06:54 pm

APCI and ESI comparision in LCMS-reg May 12 - 02:24 am

MS & MS/MS May 26 - 08:57 am

LC-MS Autosamplers May 21 - 06:43 am

GC-NCIMS optimization March 14 - 09:42 am

Acylation followed by GCNCIMS March 24 - 08:49 pm

Methoxypyrazines in GCMS August 1 - 09:23 am

Is RTX-624 column suitable for GC-MS? October 4 - 06:42 am

GC-NCIMS October 11 - 09:10 am

GC-FID and GC-MS October 23 - 08:33 am

Sensitivity drop in GCNCIMS October 30 - 06:29 am

Case for a new GC-ECD/MS December 3 - 01:39 am

Pyrolysis GCMS June 19 - 08:38 am

PCB quantitation using GC|MSD capillary column in transformer oils September 29 - 12:13 pm

Silicone contamination in GCMSD June 2 - 07:27 pm

Which GC, GC/MSD ? November 7 - 03:46 am

Polar columns with GC/MS December 23 - 09:19 am

Headspace/MS and what about DMSO with FID? January 11 - 11:38 pm

GC/MS automatic shutdown April 28 - 12:27 pm

Incorrect Mercury Isotope Patterns With Ion Trap GC-MS February 15 - 09:03 am

GCMS fragmentation databases February 26 - 03:53 pm

PAh Analysis comparing FID and MSD results March 1 - 07:36 am

PAh Analysis comparing FID and MSD results March 1 - 07:39 am

GC MS book March 15 - 06:06 am

Fast detectors in GC & GCMS March 29 - 11:16 am

Which column for NO, NO2 and N2O detection by GC/MS March 17 - 06:20 am

Extraneous Peaks in GC-MS March 19 - 08:46 am

Epichlorohydrine with GC-MS ?! March 30 - 05:49 am

Analyses for CO, CO2, CH4,C2H5 and N2 by GCMS March 25 - 05:12 am

MS Forum April 20 - 04:06 am

GC-MS IQ/OQ/PQ May 5 - 02:41 am

GC/MS/MS May 14 - 12:21 pm

Agilent 5973 MSD CI Ion Source Cleaning May 18 - 09:33 am

Quadrupole annual reviews-reg August 27 - 10:41 pm

ATFA and TFA for LC-MS? August 28 - 09:31 am

LC MS of complex protein using Bruker esquire HCT mass spec August 27 - 01:16 pm

Looking for used LC/MS/MS system August 19 - 01:38 pm

In-gel Digestion for LC/MS August 19 - 09:22 am

Fragmentation of adducts in LC/MS August 19 - 04:30 am

UV OK, MS no signal, what is wrong with my LCMS? August 20 - 05:31 am

LC/MS impurity ; please help me !!!!!! August 20 - 02:38 pm

Prep scale lcms August 13 - 04:42 pm

M/z 102.3 in LC/MS August 25 - 04:20 pm

Micromass Quattro Micro, calibration August 13 - 08:51 am

LC/MS/MS August 4 - 02:42 pm

LC/MS Autotuning August 6 - 04:21 am

Spurious LC/MS peaks August 8 - 05:45 pm

Fragmentation of adducts by LCMS Ion trap July 30 - 05:58 am

LCMS Contaminant Peak Series at 14 Mass Unit Intervals August 24 - 12:23 pm

Pulse dampening with LCMS July 30 - 01:23 am

LCMS for compounds having multifunctional groups July 20 - 10:24 pm

LC-MSMS August 10 - 10:34 am

Ion Trap or Triple Quadrapole August 10 - 10:47 am

LC-MS about nonporous reversed-phase column August 10 - 11:00 am

How to calculate matrix effect in lc/ms/ms? August 10 - 11:15 am

LC-MS/MS analysis for Propofol? May 19 - 07:11 am

Plasma preparation for LC/MS August 10 - 12:58 pm

Tripeptide analysis by HPLC/MS August 10 - 03:05 pm

LC-MS. which method are u using? August 10 - 03:07 pm

Increasing sensitivity when analysing carboxylic acid by LCMS August 12 - 12:23 pm

Which triple quad to buy? Sciex 3100 or Waters Quattro Micro June 1 - 07:12 am

Ion pair LCMS at high pH June 4 - 05:19 pm

Quantification using LCMS June 4 - 07:24 am

LC-MS: intervals of 44 and 54 June 1 - 07:33 am

APCI and ESI ? June 2 - 02:13 pm

Problem with Finnigan TSQ 700 June 7 - 04:32 am

Solvent filtering in LC/MS June 11 - 06:45 am

ESI-MS a concentration/mass detector? June 25 - 12:29 pm

Requirement LC-MS/MS June 9 - 05:02 am

LC-MS, APCI(-), the corona current is not stable. June 10 - 06:21 am

Ion-pairing agents for LCMS June 18 - 07:39 pm

New LC-MS June 19 - 09:02 pm

Poor Linearity on API 3000 LCMSMS June 21 - 02:28 am

LC-APCI for squalene June 14 - 11:46 pm

LC/MS/MS for the analysis of PCBs June 22 - 03:34 pm

MS/MS for Isomeric compounds July 2 - 04:36 pm

Nmr question July 7 - 06:33 pm

LC-MS MS 1 to .... July 2 - 06:27 am

M+ACN+FA+3H2O+H in MS scan ??? July 2 - 10:34 am

Anyone have experience with Lc-MS/MS for levofloxacin? July 5 - 07:16 pm

Low probe-current values in ESI/MS July 8 - 11:53 am

How to determine Signal to noise ratio in MS July 5 - 10:10 am

M+ACN+FA+3H2O+H in MS scan??? July 2 - 09:46 am

HILIC LC-MS serious peak broadening problems July 22 - 11:24 am

Understanding LC-MS July 8 - 11:45 am

Welcome to LC-MS & GC-MS Archives. You may read any of the discussions by clicking on the appropriate link. To start a new discussion of your own, go to either the LC Message Board or the LC Message Board.