mass spectrometer

A new system, micro-second pulsed glow discharge time-of-flight mass spectrometer, has been built up in our laboratory.

Dr. Lipkin and his colleagues can then fish out these matching segments and shoot them through a mass spectrometer to determine their mass.

In a small room smelling strongly of bleach, a machine known as a Triple Mass Spectrometer whirrs away.

This pushes molecules off the sample surface as gaseous ions, which can be detected and identified by the mass spectrometer.

Using a machine called a mass spectrometer, Hurst identified the compound theobromine in some of that residue.

A mass spectrometer ion source and a mass spectrometer system containing the multi-inlet sampling device are also provided.

The principle and performance of a home-made miniature photoionization ion trap mass spectrometer was introduced.

To improve the performance of a mass spectrometer, a novel method is proposed to construct an ion trap array mass spectrometer.

Mass Spectrometry Instruments Ltd ( MSI ) specializes in high performance magnetic sector double focusing mass spectrometer Instruments.

The performance of a Quadrupole Mass Spectrometer is affected closely by its quadrupole field.

Helium mass spectrometer sniffing probe method is widely used in the process of the single point leak testing on the spacecraft.

Mass spectrometer must be operated under a high vacuum environment because of its particular conformation and operation principle.

METHODS: The compositions of microsphere before and after sonication were determined by grade-laser ToF mass spectrometer.

The vacuum degas character and degas composition are analyzed, by quadrupole mass spectrometer.

The device is readily removed and installed at ambient pressure without venting the mass spectrometer.

The mass spectrometer may be used in a trace gas leak detector.

The RPLC effluent is sampled by both a UV detector and an electrospray mass spectrometer.

The present invention provides a radio frequency (RF) power supply in a mass spectrometer.

Once in the oven, a soil material will be baked and the emitted gasses categorized by a mass spectrometer.

A new oscillatory system has been investigated by the quadripole mass-spectrometer.

The liquid products were detected by gas chromatograph-mass spectrometer (GC-MS).

Glucose turnover was decided by gas chromatograph mass spectrometer (GC-MS).

The isotopic composition of hydrogen and oxygen in heavy water are analyzed by using a high-resolution mass spectrometer.

The new developed soft ionization source which is used in time-of-flight mass spectrometer is introduced.

Detection: Ion trap mass spectrometer.

His main tool is a device called a secondary-ion mass spectrometer.

Method: Established method based on microwave sample digestion and inductively coupled plasma-mass spectrometer.

One of the advantages of the mass spectrometer is that it can record spectra from small quantities of substance.

A typical mass spectrometer goes for about $150, 000, a budget-breaker for governments of poorer countries.

Each reading by the mass spectrometer creates a kind of chemical "pixel" .

The system has less investment, less trouble, better performance and shorter delay time than that with mass spectrometer.

The researchers used a highly sensitive, $500, 000 mass spectrometer to analyze 20 samples that combined the blood of 10 people.

Application of a Simple Calculation Method of Ion Optical System to Reflectron Time-of-flight Mass Spectrometer

An ultraviolet photoelectron spectrometer-time of flight mass spectrometer for in-situ study of transient species and radicals

Ambient electrospray gun ; Adjustable double ion source quadrupole-time of flight mass spectrometer ; Accurate mass determination

Test of the Performance of the Self-Designed Radio-frequency Ion Trap Mass Spectrometer Interfaced with a Laser Desorption Ion Source

Vacuum Technology; Mass Spectrometer Partial Pressure Gauges; Definitions, Characteristics, Operating Conditions

Fabrication and applications of an interface to couple microfluidic chips with electrospray ionization mass spectrometer

Design and Application of Membrane Inlet-Time-of-Flight Mass Spectrometer for Rapid Analysis of Volatile Organic Compounds

Physical design of time-of-flight mass spectrometer in energetic cluster impact deposition apparatus

Design of time-of-flight mass spectrometer-photodissociation ion imaging technology

Test Methods for Determining Hermeticity of Electron Devices with a Helium Mass Spectrometer Leak Detector

Design and Construction of a Molecular Beam Mass Spectrometer with Three Differential Pumping Stages

Aerosol Time-of-flight Mass Spectrometer Analysis of Particulate Products from Photooxidation of m-Xylene

Ion Motion in the Rectangular Wave Quadrupole Field and Digital Operation Mode of a Quadrupole Ion Trap Mass Spectrometer

Application of time of flight mass spectrometer in combustion process of regeneration type radiant tube burner

Application of Gas Chromatography-mass Spectrometer in Determining Trimethyl Stannic Chloride in Plastic Products and Stabilizing Agents

Miniature Quadrupole Mass Spectrometer Array and Its Applications in Manned Spaceflight

Design of the float-ground reflection time-of-flight mass spectrometer

Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Multiple Collector Mass Spectrometer Method

Development of the ionization gauge and the quadrupole mass spectrometer with a Bessel-box type energy analyzer

LIGA Technology and Its Application in Miniature Quadrupole Mass Spectrometer Array

The Progress of Liquid Chromatography-Tandem Mass Spectrometer Technology and Applications in Veterinary Drug Industry

Development of the Analyzer for a Miniature Insert Quadrupole Mass Spectrometer Array

Application of Time-of-flight Mass Spectrometer to On-line Gas Analysis on Converter

Non-destructive testing - Leak testing - Characterization of mass spectrometer leak detectors

Vacuum technology; acceptance specifications for mass spectrometer-type leak-detector, terms

Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Double-Standard Multi-Collector Gas Mass Spectrometer

Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Mass Spectrometer Method

Standard Test Method for Trace Metallic Impurities in High Purity Copper by High-Mass-Resolution Glow Discharge Mass Spectrometer

Study on Application of Tandem Mass Spectrometer and Four-pole Mass Spectrometer System in Determination of Tetramine in Blood

New Developments and Applications in Time-of-Flight Mass Spectrometer

Determination of volatile components in onion by gas chromatography - mass spectrometer

recent advances of liquid - chromatography - mass spectrometer

Research on Performance of the Monopole Mass Spectrometer With Short Electrode

Ionization Time of Flight Mass Spectrometer

Determination of Phosphor in Ta Powder through Induction Coupling Plasma Mass Spectrometer

Establishment of Mass Spectrometer and Peptide Mass Fingerprinting for Proteomics of Skin Cells

Vacuum technology; Mass-spectrometer-type leak-detector calibration

Present Situation and Prospect of the Quadrupole Mass Spectrometer Array

Application of Helium Mass Spectrometer Leak Detecting Technology in Thermal Power Plants

The Error Analysis of Usual Integrating Leak Detection of Helium Mass Spectrometer at Normal Atmosphere

Determination of patulin and 5-Hydroxymethylfurfural in beverage by liquid chromatography-mass spectrometer

liquid chromatograph-mass spectrometer interface; LC-MS interface,

Application of quadrupole mass-spectrometer in transfer system for manufacturing PC

Fourier Transform Ion Cyclotron Resonance Mass Spectrometer

Analysis of Volatile Components in Mulberry by Gas Chromatograph-Mass Spectrometer

ion cyclotron resonance mass spectrometer; ICR mass spectrometer,

Influence of Ion Source Parameters on Sensitivity of Quadrupole Mass Spectrometer

Analysis Structural Compose of Heavy Alkylbenzene by Mass Spectrometer

Determination of Nanogram Samarium Isotopic Ratio by Mass Spectrometer

Particle Analysis in Nuclear Safeguards and Secondary Ion Mass Spectrometer

Carbon and oxygen isotope analysis of carbonate by laser microprobe mass spectrometer

isotopic analysis of uranium by single - standard gas mass - spectrometer method

Several problems of quadrupole mass spectrometer for plasma diagnosis

Brief Introduction of Helium Mass Spectrometer Leak Test for the Welds of Tube and Tube-sheet

Prospect of High Precision Mass Spectrometer in Isotope Geochemistry

Application of quadrupole mass spectrometer in vacuum leak detection

Development and Applications of Mobile Laser Mass Spectrometer

Analysing the composition of vegetable oil smoke by using gas chromatograph-mass spectrometer

Analysis of IMS Station Transport Noble Gas Sample by Quadrupole Mass Spectrometer

Realization of high mass resolution on quadrupole mass spectrometer

Standard Test Methods for Leakage Measurement Using the Mass Spectrometer Leak Detector or Residual Gas Analyzer in the Hood Mode

Determination of proton affinity of DMMP by a miniature ion trap mass spectrometer based on proton transfer reaction

Application of Mass Spectrometer in Ethylene Cracked Furnace

A Bench Top Quadrupole Mass Spectrometer System for Accurate Analysis of Trace Noble Gas

eighteen stage radio-frequency mass spectrometer

Determination of Nilestriol in Fish by Coupling Direct Insertion Probe With Mass Spectrometer

vacuum leaks detection method by helium mass spectrometer

Calibration System of Partial Pressure Mass Spectrometer

Helium Mass Spectrometer Leak Testing for the Flange

double beam double-focusing mass spectrometer

Test Methods for Leaks Using the Mass Spectrometer Leak Detector or Residual Gas Analyzer in the Tracer Probe Mode

Fourier ion resonance mass spectrometer

Helium leak detection mass spectrometer

Nonlinear Effect in the Circular Mass Spectrometer

Standard Test Methods for Leaks Using the Mass Spectrometer Leak Detector in the Inside-Out Testing Mode

Test Methods for Leaks Using the Mass Spectrometer Leak Detector in the Detector Probe Mode

Mass spectrometer for clinical use

Ion and neutral mass spectrometer