CS/ONH-Analysis (CS/ONH)


High-end analyzer, designed for automatic and precise determination of O/N/H

The most versatile system available

Mass spectrometric detection capabilities

High-end designed for accuracy @ high-throughput

ppb (ng/g)
Limit of Detection
All state-of-the-art detectors used in the G8 GALILEO are equipped with internal reference channels for utmost stability and allow detection limits in a sub-ppm range (based on 1g sample mass)
3+ analyzers
In one single system
Whether the task is O/N/H analysis with real H2-detection by TCD, reliable sub-ppm determination of H in high purity Al, diffusible & residual Hydrogen in welds, or argon inclusion analysis of powder feedstock for additive manufacturing, or in final parts: the G8 GALILEO can be equipped to fulfill almost every analytical challange.
0-100 amu
m/z range of mass spectrometer (MS)
The industrial-grade MS is tailor made for hydrogen and argon detection, equipped with an optimized ion source and channeltron detector. With an extremely efficient gas inlet system, it delivers detection limits in the lower ng/g range, equivalent to a particle density of a few molecules.

Matching the best ONH method - Inert Gas Fusion - with the ideal ONH systems: G8 GALILEO and G8 GALILEO MS

Temperature matters: Melting points of common metals and their oxides, nitrides and hydrides

With the G8 GALILEO analyzers, Bruker is the only company to offer fully integrated ONH solutions combining the benefits of multiple dedicated systems without any analytical compromise or technical limitations. The G8 GALILEO applies the Smart Molecule Sequence™ for direct measurement of all emitted gases and real 1:1 information - without chemical transformations, mathematical corrections or unpublished algorithms. FusionControl, the ongoing contact free temperature measurement of the sample ensures the right analysis temperature, avoiding formation of interfering products and increasing stability and uptime.

Options for automatic sample and crucible handling, electrode cleaning and automatic gas dose calibration are available. When equipped with the unique IR-furnace of the G4 PHOENIX, performs reliable diffusible, residual and total hydrogen measurements and complies to ISO 360 and AWS A4.3 standards for welding.

Key Benefits:

  • Advanced water cooled electrode furnace with FusionControl, water cooled sample port, high capacity dust trap, followed by efficient in-line particle filtering
  • Smart Molecule Sequence : Direct and unadulterated measurements of all emitted gases by state-of-the-art detectors with reference channels
  • Automatic furnace cleaning, crucible and sample handling available
  • Unique external IR-furnace for diffusible hydrogen determination available
  • Automatic and reliable gas calibration with 10 different volumes available
  • Thermal Desorption Mass Spectroscopy (TDMS) and argon inclusion analysis available by MS coupling

Why do I need Inert Gas Fusion Analysis?

The three non-metals Oxygen (O), Nitrogen (N) and Hydrogen (H) determine the quality, service life and mechanical properties of all metallic materials. Unlike metallic alloy components, the amount of O, N and H sometimes changes considerably along the entire process chain, from the production of raw materials to the completion of the finished product. Similar applies to argon inclusions, introduced at trace level during metal powder production by atomization that will remain in the final product.
Acquiring kinetic information about diffusible hydrogen and its damaging mechanisms are further examples with actual backgrounds like development of new generations of high strengths steels, materials suitable for hydrogen storage or biomedical implants.

G8 GALILEO Applications

Thermal Desorption Mass Spectrometry

Thermal Desorption Mass Spectroscopy (TDMS) with temperature ramps provides kinetic information like the trapping-energy of hydrogen within a metal structure. Terms like diffusible, weakly or strongly trapped, and chemically bound hydrogen can be directly correlated with the supplied activation energy. Bruker’s unique G8 GALILEO MS is capable to analyze hydrogen or isotopes like deuterium at concentrations of a few ng/g. This enables precise mechanism investigations needed for the development of new alloy generations or alloys suitable for hydrogen storage.

G8 GALILEO Specifications

  Specification Benefit


Nondispersive IR absorption of CO, no moving parts, dual-range detectors with reference beam and on-board linearization Reliable, maintenance-free performance without drift
Nitrogen and Hydrogen Thermal conductivity detector with reference channel and adjustable gain amplifier Reliable, adjustable ranges, drift free
Argon and Hydrogen Mass spectrometer 1-100 amu, single quadrupole, optimized EI source and channeltron detector Unique mass spectrometry performance, sensitivity: a few molecules
Carrier Gases He (O, N), Ar (O, N), N2 (H) each 99.995 % purity (99.9990 % for trace analysis) Flexible carrier gas choice without compromises
Calibration Gas Pure gases or certified mixtures (99.999 % for each compound), 10 individual volumes in the gas dose device to cover a huge range Easy, precise gas calibration without standards, directly tracable to fundamental
parameters (pressure, temperature, volume)
Sample Dimensions Electrode Furnace: 8 x 8 mm cross section (pieces, chips, pins, granules), sample ports available for special applications  
Cooling Water Electrode Furnace: 4 l/min at 3 bar supply pressure IR Furnace: 1 l/min at 3 bar supply pressure, 15 – 20 °C inlet temperature, 100 – 240 V / 50 – 60 Hz Fits on every usual tap water line, tap water-saving design with solenoid valve, chiller also possible

Power Supply

400 – 480 VAC (± 10 %), 50 – 60 Hz, 32 A, 7 kVA, 1 Phase plus N or 2 Phase, grounding wire  
Mass Spectrometer (MS) 230 VAC, 50 – 60 Hz, 250 VA Flexible, worldwide power and current configurations
External Infrared Furnace 230 VAC, 50 – 60 Hz, 1,500 VA Flexible, worldwide power and current configurations
Dimensions and Weight    
G8 GALILEO 80 x 60 x 83 cm (W x D x H), ~130 kg*)  
Mass Spectrometer
63 x 64 x 48 cm (W x D x H), ~60 kg  
External Infrared Furnace 48 x 66 x 30 cm (W x D x H), ~15 kg  
  *) Depending on configuration  

Service & Support