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LUMAS-30 time-of-flight mass spectrometer buy in Cherepovets
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LUMAS-30 time-of-flight mass spectrometer

LUMAS-30 time-of-flight mass spectrometer

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Russia, Cherepovets
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Technical characteristics
  • Country of manufactureRussia
Description

Lumas-30 time-of-flight mass spectrometer with glow discharge ionization is a new elemental analyzer. It is intended for direct quantitative analysis of elemental composition of solid-state samples using sputtering and ionization of these samples by pulsed discharge in hollow cathode, as well as for registration of generated ions using time-of-flight mass spectrometer with orthogonal entering of ions.

Types of analysis:

  • Bulk analysis (monolithic and powdered samples)
  • Depth profiling (thin films and multilayer coatings)

Analyzed objects:

  • Metals
  • Semiconductors
  • Dielectrics
  • Objects with mixed layer structure (dielectric-metal, metal-semiconductor and dielectric-semiconductor (e.g. corrosion films on metal surface)

Principle of operation is based on:

  • High-efficient direct atomization of analyzed samples (both conductive and nonconductive solids) as a result of cathode sputtering in pulsed glow discharge.
  • Pulsed ionization of sample atoms in glow discharge plasma during glow and afterglow periods.
  • High-informative time-of-flight registration of mass spectra during afterglow period of glow discharge.

Basic technical characteristics of Lumas-30

Table 1

Characteristic Value
Limit of detection up to 0,01 ppm
Depth resolution 3 nm
Measurement error 5-10%
Dynamic range more than 7 orders
Mass range 1-400 a.e.m.
Number of elements being detected simultaneously at one analytic cycle unlimited
Time for analysis of one sample 3-25 min
Run-up time 30 min
Supply voltage 220 V
Watt consumption 1100 W
Vacuum system Forepump and 2 turbomolecular pumps (250 l/s and 70 l/s)
Discharge gas Ar or Ar+H2
Gas consumption 1 gas cylinder (40l)/year
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LUMAS-30 time-of-flight mass spectrometer
LUMAS-30 time-of-flight mass spectrometer
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