Go to GlobalSpec.com Home
Toolbar   The Engineering Toolbar
The Ultimate Resource for Engineering and Technical Research. (Learn More)

Critical Leak Requirements in GC/MS, LC/MS and Analytical Instruments

From Parker Hannifin / Automation / Precision Fluidics Division
 

 

Gas Chromatography/Mass Spectrometry (GC/MS) and Liquid Chromatography/Mass Spectrometry (LC/MS) are analytical techniques used for chemical analysis. The properties of a sample are first separated using chromatography and then identified with the mass spectrometer. The equipment used for chromatography consists of an injection port at one end of a metal column packed with substrate material and a detector at the other end. A carrier gas propels the sample down the column while flow meters and pressure gauges in the instrument maintain a constant flow.


Product Announcements
Varian, Inc. - 212-LC Binary Gradient LC/MS Pump
The Varian 212-LC chromatography pump is engineered to be the most stable and reliable analytical LC/MS pump in the laboratory today. This binary pumping system is the ideal liquid chromatography... (read more)
JASCO - LC-2000Plus Series
The LC-2000 series offers the broadest range of liquid chromatography instrumentation available from any manufacturer. Proven reliability and excellent sensitivity are combined in systems configured... (read more)
Varian, Inc. - 96-WELL FILTRATION PLATE IMPROVES SENSITIVITY
Captiva™ NDLipids is a simple to use, non-drip 96-well plate especially designed to remove phospholipids including lysophosphatidylcholines, from biofluids. (read more)
Akron Rubber Development Laboratory, Inc. (ARDL) - Chemical Testing Services
ARDL can provide their clients with complete materials characterization for compositional analysis, purity, thermal analyses, specification compliance certifications and SPC/QC compliance. (read more)
Chem Service has been certified to the ISO/IEC 17025:2005 laboratory quality management system. (read more)
Shimadzu Scientific Instruments, Inc. - GCMS-QP2010 Plus
Shimadzu's GCMS-QP2010 Plus is the most innovative and powerful model on the market. Ideal for rapid analysis of difficult samples, and determination of trace components, the GCMS-QP2010 Plus expands... (read more)

Topics of Interest
5.1. INTRODUCTION It is possible to collect (trap) compounds as they elute from gas or liquid chromatographic columns and afterwards to obtain their mass spectra. Such gathering of mass... (Read More)
There are many drivers for vacuum configuration in mass spectrometry (MS) and other scientific instrumentation applications. These include: vacuum performance of the primary pump itself (speed,... (Read More)
4.1. INTRODUCTION The full potential of any mass spectrometer cannot be realized without a data system. Whilst computers were introduced initially into mass spectrometry to aid accurate mass... (Read More)
3.7 Pyrolysis Gas Chromatography 3.7.1 Theory Pyrolysis is simply the breaking of large, complex molecules into smaller fragments by the application of heat. When the heat energy applied to a... (Read More)
Overview In this chapter the instrumentation used for the determination of volatile materials present in polymers is discussed. These include: Monomers, e.g., styrene, acrylonitrile, vinyl... (Read More)