The RGA performed with the mass spectrometer
Studies with the aerosol mass spectrometer
... similar mass spectra in the AMS. Organic mass spectra obtained from oxidation of α-pinene, m-xylene, and cyclopentene are compared in Figure ...ambient mass spectra show a more dominant feature at ...
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A Time of Flight Mass Spectrometer.
... Recommended Citation Finney, Nicolas, "A Time of Flight Mass Spectrometer." (1967). Electronic Theses and Dissertations. 6474. https://scholar.uwindsor.ca/etd/6474 This online database contains the ...
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Magnetically enhanced quadrupole mass spectrometer
... performance mass analyser similar in essence to the Kingdon trap [71] and quadrupole ion ...potential. Mass spectra are generated in a similar manner to FTICR MS whereby the image current from the ...
252
A new time-of-flight mass spectrometer.
... E. Mass Doublets In principle, masses could be determined with the Dempster type instrument by substitution of the appropriate values into Equation ...of mass has to be ...large mass region occupied ...
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The Planet B neutral gas mass spectrometer
... quadrupole mass analyzer with a mass range of 1–60 amu (atomic mass units) and two secondary electron multipliers to cover the dy- namic range ...
8
Noblesse HR NOBLE GAS MASS SPECTROMETER
... 5IF/PCMFTTF)3JTmUUFEXJUIBMTJPOQVNQGPSQVNQPVUEVSJOHOPSNBMPQFSBUJPO
XIJMTUB MT5VSCPNPMFDVMBSQVNQBOEESZCBDLJOHQVNQBSFVTFEUPQVNQUIFJOTUSVNFOUEPXOGSPN atmospheric pressure. The ...
12
residual gas analysis Mass Spectrometers for Residual Gas Analysis Applications (RGA)
... Species-specific analogue signals are used for beam intensity output to the users’ source control modules. Beam acceptance apertures are configured individually for each specific process chamber source position, ...
20
Quantitative determination of carbonaceous particle mixing state in Paris using single-particle mass spectrometer and aerosol mass spectrometer measurements
... BBOA factors are compared, the agreement improves sig- nificantly (R 2 = 0.60, slope = 0.85), highlighting the arbitrary cut-off effect (Fig. S9). The HR-ToF-AMS OOA factor detected in Paris has been previously ...
19
The application of beam transport theory to mass spectrometer design
... transmission. The is necessary because of the collimation by electrodes of the retardation lens, which might trim a beam passing through the slit at an angle. There is, however, a difficulty with such an arrangement. As ...
166
A new non-magnetic time-of-flight mass spectrometer.
... Precise mass measurements are extremely important to nuclear physicists in the evalution of binding energies, in the investigation of nuclear shell structure and in the study of the processes involved in the ...
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Fast Gas Chromatography & Mass Spectrometer Data Analysis
... In these cases, matrix ions will be common to the target compound quantitation ion, resulting in overestimates of concentration. Toward this end, a more generalized data analysis method is described that is capable of ...
12
Time of Flight Mass Spectrometer with Transaxial Ion Reflector
... ABSTRACT Two variants of application of a transaxial mirror with stigmatic spatial time-of-flight focusing in the time- of-flight mass spectrometer have been considered. In the first variant, the transaxial ...
6
THE USE OF THE MASS SPECTROMETER TO MEASURE DEUTERIUM IN BODY FLUIDS
... The primary inherent source of error in this method lies in the exchange of deuterium atoms with labile hydrogen atoms.. of organic molecules (12-14).[r] ...
10
Identification of Burkholderia pseudomallei by Use of the Vitek Mass Spectrometer
... was performed in RUO mode utilizing the Shimadzu Biotech MALDI-MS application (Shimadzu Biotech, Kyoto, ...were performed using the SARAMIS (Spectral Archive and Microbial Identifica- tion System) ...
6
A Chemical Ionization Mass Spectrometer for ambient measurements of Ammonia
... 2.2 Inlet: Background, ambient and calibration mode Our inlet system was based on the Georgia Tech NH 3 inlet (Nowak et al., 2006), with some differences discussed below. Figure 1b illustrates the inlet system used ...
13
THE CASSINI ION AND NEUTRAL MASS SPECTROMETER (INMS) INVESTIGATION
... be mass/charge separated in the quadrupole section of the sensor because of their high energy or uncharged ...a mass independent background in the ...range mass scan (1–99 Daltons), those mass ...
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A Mass Spectrum Digitizer for the Atlas Type Ch 4 Mass Spectrometer EUR 3176
... A BCD signal, representing the position of the automatic attenuator, is applied to storage register nr, 1, and stored simultaneously with the peak amplitude reading.. This has the adva[r] ...
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Development of electrospray ionization of biomolecules on a magnetic sector mass spectrometer
... Four-sector mass spectrometer during 1996 - 1997, used a simple way to solve the problem: a glass capillary with metal coatings at the entrance and exit ends to withstand the high potential ...
285
How To Build An Amd Quas 3 Ar Mass Spectrometer
... sector mass spectrometer of the new AMD compact class in special EB configuration Integrated system electronics for bipolar mode Universal ion source housing for different ionization techniques, sample ...
8
How To Analyze Plasma With An Inductively Coupled Plasma Mass Spectrometer
... capabilities if the concentration of the analyte of interest is very low. Finally, they are much slower than a quadrupole system. Due to the longer settling times required by the magnet when the voltages are adjusted for ...
7